char **argv)
{
bmap_ext_t bm;
- xfs_dfiloff_t bno;
- xfs_dfsbno_t dfsbno;
+ xfs_fileoff_t bno;
+ xfs_fsblock_t dfsbno;
int haveattr;
int nex;
char *p;
- bno = (xfs_dfiloff_t)strtoull(argv[1], &p, 0);
+ bno = (xfs_fileoff_t)strtoull(argv[1], &p, 0);
if (*p != '\0') {
dbprintf(_("bad block number %s\n"), argv[1]);
return 0;
{
bbmap_t bbmap;
bmap_ext_t *bmp;
- xfs_dfiloff_t bno;
- xfs_dfsbno_t dfsbno;
+ xfs_fileoff_t bno;
+ xfs_fsblock_t dfsbno;
int nb;
int nex;
char *p;
typnm_t type;
- bno = (xfs_dfiloff_t)strtoull(argv[1], &p, 0);
+ bno = (xfs_fileoff_t)strtoull(argv[1], &p, 0);
if (*p != '\0') {
dbprintf(_("bad block number %s\n"), argv[1]);
return 0;
{
xfs_agblock_t agbno;
xfs_agnumber_t agno;
- xfs_dfsbno_t d;
+ xfs_fsblock_t d;
char *p;
if (argc == 1) {
static int bmap_f(int argc, char **argv);
static int bmap_one_extent(xfs_bmbt_rec_t *ep,
- xfs_dfiloff_t *offp, xfs_dfiloff_t eoff,
+ xfs_fileoff_t *offp, xfs_fileoff_t eoff,
int *idxp, bmap_ext_t *bep);
-static xfs_fsblock_t select_child(xfs_dfiloff_t off, xfs_bmbt_key_t *kp,
+static xfs_fsblock_t select_child(xfs_fileoff_t off, xfs_bmbt_key_t *kp,
xfs_bmbt_ptr_t *pp, int nrecs);
static const cmdinfo_t bmap_cmd =
void
bmap(
- xfs_dfiloff_t offset,
- xfs_dfilblks_t len,
+ xfs_fileoff_t offset,
+ xfs_filblks_t len,
int whichfork,
int *nexp,
bmap_ext_t *bep)
{
struct xfs_btree_block *block;
xfs_fsblock_t bno;
- xfs_dfiloff_t curoffset;
+ xfs_fileoff_t curoffset;
xfs_dinode_t *dip;
- xfs_dfiloff_t eoffset;
+ xfs_fileoff_t eoffset;
xfs_bmbt_rec_t *ep;
xfs_dinode_fmt_t fmt;
int fsize;
int afork = 0;
bmap_ext_t be;
int c;
- xfs_dfiloff_t co, cosave;
+ xfs_fileoff_t co, cosave;
int dfork = 0;
xfs_dinode_t *dip;
- xfs_dfiloff_t eo;
- xfs_dfilblks_t len;
+ xfs_fileoff_t eo;
+ xfs_filblks_t len;
int nex;
char *p;
int whichfork;
pop_cur();
}
if (optind < argc) {
- co = (xfs_dfiloff_t)strtoull(argv[optind], &p, 0);
+ co = (xfs_fileoff_t)strtoull(argv[optind], &p, 0);
if (*p != '\0') {
dbprintf(_("bad block number for bmap %s\n"),
argv[optind]);
}
optind++;
if (optind < argc) {
- len = (xfs_dfilblks_t)strtoull(argv[optind], &p, 0);
+ len = (xfs_filblks_t)strtoull(argv[optind], &p, 0);
if (*p != '\0') {
dbprintf(_("bad len for bmap %s\n"), argv[optind]);
return 0;
static int
bmap_one_extent(
xfs_bmbt_rec_t *ep,
- xfs_dfiloff_t *offp,
- xfs_dfiloff_t eoff,
+ xfs_fileoff_t *offp,
+ xfs_fileoff_t eoff,
int *idxp,
bmap_ext_t *bep)
{
- xfs_dfilblks_t c;
- xfs_dfiloff_t curoffset;
+ xfs_filblks_t c;
+ xfs_fileoff_t curoffset;
int f;
int idx;
- xfs_dfiloff_t o;
- xfs_dfsbno_t s;
+ xfs_fileoff_t o;
+ xfs_fsblock_t s;
convert_extent(ep, &o, &s, &c, &f);
curoffset = *offp;
void
convert_extent(
xfs_bmbt_rec_t *rp,
- xfs_dfiloff_t *op,
- xfs_dfsbno_t *sp,
- xfs_dfilblks_t *cp,
+ xfs_fileoff_t *op,
+ xfs_fsblock_t *sp,
+ xfs_filblks_t *cp,
int *fp)
{
struct xfs_bmbt_irec irec;
static xfs_fsblock_t
select_child(
- xfs_dfiloff_t off,
+ xfs_fileoff_t off,
xfs_bmbt_key_t *kp,
xfs_bmbt_ptr_t *pp,
int nrecs)
struct xfs_bmbt_rec;
typedef struct bmap_ext {
- xfs_dfiloff_t startoff;
- xfs_dfsbno_t startblock;
- xfs_dfilblks_t blockcount;
+ xfs_fileoff_t startoff;
+ xfs_fsblock_t startblock;
+ xfs_filblks_t blockcount;
int flag;
} bmap_ext_t;
-extern void bmap(xfs_dfiloff_t offset, xfs_dfilblks_t len, int whichfork,
+extern void bmap(xfs_fileoff_t offset, xfs_filblks_t len, int whichfork,
int *nexp, bmap_ext_t *bep);
extern void bmap_init(void);
-extern void convert_extent(struct xfs_bmbt_rec *rp, xfs_dfiloff_t *op,
- xfs_dfsbno_t *sp, xfs_dfilblks_t *cp, int *fp);
+extern void convert_extent(struct xfs_bmbt_rec *rp, xfs_fileoff_t *op,
+ xfs_fsblock_t *sp, xfs_filblks_t *cp, int *fp);
extern void make_bbmap(struct bbmap *bbmap, int nex, bmap_ext_t *bmp);
dbm_t type,
xfs_fsblock_t bno,
inodata_t *id,
- xfs_drfsbno_t *totd,
- xfs_drfsbno_t *toti,
+ xfs_rfsblock_t *totd,
+ xfs_rfsblock_t *toti,
xfs_extnum_t *nex,
blkmap_t **blkmapp,
int isroot,
static void check_linkcounts(xfs_agnumber_t agno);
static int check_range(xfs_agnumber_t agno, xfs_agblock_t agbno,
xfs_extlen_t len);
-static void check_rdbmap(xfs_drfsbno_t bno, xfs_extlen_t len,
+static void check_rdbmap(xfs_rfsblock_t bno, xfs_extlen_t len,
dbm_t type);
-static int check_rinomap(xfs_drfsbno_t bno, xfs_extlen_t len,
+static int check_rinomap(xfs_rfsblock_t bno, xfs_extlen_t len,
xfs_ino_t c_ino);
static void check_rootdir(void);
-static int check_rrange(xfs_drfsbno_t bno, xfs_extlen_t len);
+static int check_rrange(xfs_rfsblock_t bno, xfs_extlen_t len);
static void check_set_dbmap(xfs_agnumber_t agno,
xfs_agblock_t agbno, xfs_extlen_t len,
dbm_t type1, dbm_t type2,
xfs_agnumber_t c_agno,
xfs_agblock_t c_agbno);
-static void check_set_rdbmap(xfs_drfsbno_t bno, xfs_extlen_t len,
+static void check_set_rdbmap(xfs_rfsblock_t bno, xfs_extlen_t len,
dbm_t type1, dbm_t type2);
static void check_summary(void);
static void checknot_dbmap(xfs_agnumber_t agno, xfs_agblock_t agbno,
xfs_extlen_t len, int typemask);
-static void checknot_rdbmap(xfs_drfsbno_t bno, xfs_extlen_t len,
+static void checknot_rdbmap(xfs_rfsblock_t bno, xfs_extlen_t len,
int typemask);
static void dir_hash_add(xfs_dahash_t hash,
xfs_dir2_dataptr_t addr);
int *dotdot, inodata_t *id);
static void process_bmbt_reclist(xfs_bmbt_rec_t *rp, int numrecs,
dbm_t type, inodata_t *id,
- xfs_drfsbno_t *tot,
+ xfs_rfsblock_t *tot,
blkmap_t **blkmapp);
static void process_btinode(inodata_t *id, xfs_dinode_t *dip,
- dbm_t type, xfs_drfsbno_t *totd,
- xfs_drfsbno_t *toti, xfs_extnum_t *nex,
+ dbm_t type, xfs_rfsblock_t *totd,
+ xfs_rfsblock_t *toti, xfs_extnum_t *nex,
blkmap_t **blkmapp, int whichfork);
static xfs_ino_t process_data_dir_v2(int *dot, int *dotdot,
inodata_t *id, int v,
int *dot, int *dotdot, inodata_t *id,
xfs_ino_t *parent);
static void process_exinode(inodata_t *id, xfs_dinode_t *dip,
- dbm_t type, xfs_drfsbno_t *totd,
- xfs_drfsbno_t *toti, xfs_extnum_t *nex,
+ dbm_t type, xfs_rfsblock_t *totd,
+ xfs_rfsblock_t *toti, xfs_extnum_t *nex,
blkmap_t **blkmapp, int whichfork);
static void process_inode(xfs_agf_t *agf, xfs_agino_t agino,
xfs_dinode_t *dip, int isfree);
static void process_lclinode(inodata_t *id, xfs_dinode_t *dip,
- dbm_t type, xfs_drfsbno_t *totd,
- xfs_drfsbno_t *toti, xfs_extnum_t *nex,
+ dbm_t type, xfs_rfsblock_t *totd,
+ xfs_rfsblock_t *toti, xfs_extnum_t *nex,
blkmap_t **blkmapp, int whichfork);
static xfs_ino_t process_leaf_node_dir_v2(blkmap_t *blkmap, int *dot,
int *dotdot, inodata_t *id,
static void scan_freelist(xfs_agf_t *agf);
static void scan_lbtree(xfs_fsblock_t root, int nlevels,
scan_lbtree_f_t func, dbm_t type,
- inodata_t *id, xfs_drfsbno_t *totd,
- xfs_drfsbno_t *toti, xfs_extnum_t *nex,
+ inodata_t *id, xfs_rfsblock_t *totd,
+ xfs_rfsblock_t *toti, xfs_extnum_t *nex,
blkmap_t **blkmapp, int isroot,
typnm_t btype);
static void scan_sbtree(xfs_agf_t *agf, xfs_agblock_t root,
scan_sbtree_f_t func, typnm_t btype);
static void scanfunc_bmap(struct xfs_btree_block *block,
int level, dbm_t type, xfs_fsblock_t bno,
- inodata_t *id, xfs_drfsbno_t *totd,
- xfs_drfsbno_t *toti, xfs_extnum_t *nex,
+ inodata_t *id, xfs_rfsblock_t *totd,
+ xfs_rfsblock_t *toti, xfs_extnum_t *nex,
blkmap_t **blkmapp, int isroot,
typnm_t btype);
static void scanfunc_bno(struct xfs_btree_block *block, int level,
xfs_agnumber_t c_agno, xfs_agblock_t c_agbno);
static void set_inomap(xfs_agnumber_t agno, xfs_agblock_t agbno,
xfs_extlen_t len, inodata_t *id);
-static void set_rdbmap(xfs_drfsbno_t bno, xfs_extlen_t len,
+static void set_rdbmap(xfs_rfsblock_t bno, xfs_extlen_t len,
dbm_t type);
-static void set_rinomap(xfs_drfsbno_t bno, xfs_extlen_t len,
+static void set_rinomap(xfs_rfsblock_t bno, xfs_extlen_t len,
inodata_t *id);
static void setlink_inode(inodata_t *id, nlink_t nlink, int isdir,
int security);
{
xfs_agblock_t agbno;
xfs_agnumber_t agno;
- xfs_drfsbno_t bi;
- xfs_drfsbno_t blocks;
+ xfs_rfsblock_t bi;
+ xfs_rfsblock_t blocks;
int c;
int count;
int done;
int mode;
struct timeval now;
char *p;
- xfs_drfsbno_t randb;
+ xfs_rfsblock_t randb;
uint seed;
int sopt;
int tmask;
dbprintf(_("blocktrash: seed %u\n"), seed);
srandom(seed);
for (i = 0; i < count; i++) {
- randb = (xfs_drfsbno_t)((((__int64_t)random() << 32) |
+ randb = (xfs_rfsblock_t)((((__int64_t)random() << 32) |
random()) % blocks);
for (bi = 0, agno = 0, done = 0;
!done && agno < mp->m_sb.sb_agcount;
p = &dbmap[agno][agbno];
i = inomap[agno][agbno];
dbprintf(_("block %llu (%u/%u) type %s"),
- (xfs_dfsbno_t)XFS_AGB_TO_FSB(mp, agno, agbno),
+ (xfs_fsblock_t)XFS_AGB_TO_FSB(mp, agno, agbno),
agno, agbno, typename[(dbm_t)*p]);
if (i) {
dbprintf(_(" inode %lld"), i->ino);
static void
check_rdbmap(
- xfs_drfsbno_t bno,
+ xfs_rfsblock_t bno,
xfs_extlen_t len,
dbm_t type)
{
static int
check_rinomap(
- xfs_drfsbno_t bno,
+ xfs_rfsblock_t bno,
xfs_extlen_t len,
xfs_ino_t c_ino)
{
static int
check_rrange(
- xfs_drfsbno_t bno,
+ xfs_rfsblock_t bno,
xfs_extlen_t len)
{
xfs_extlen_t i;
static void
check_set_rdbmap(
- xfs_drfsbno_t bno,
+ xfs_rfsblock_t bno,
xfs_extlen_t len,
dbm_t type1,
dbm_t type2)
static void
check_summary(void)
{
- xfs_drfsbno_t bno;
+ xfs_rfsblock_t bno;
xfs_suminfo_t *csp;
xfs_suminfo_t *fsp;
int log;
static void
checknot_rdbmap(
- xfs_drfsbno_t bno,
+ xfs_rfsblock_t bno,
xfs_extlen_t len,
int typemask)
{
int numrecs,
dbm_t type,
inodata_t *id,
- xfs_drfsbno_t *tot,
+ xfs_rfsblock_t *tot,
blkmap_t **blkmapp)
{
xfs_agblock_t agbno;
xfs_agnumber_t agno;
xfs_fsblock_t b;
- xfs_dfilblks_t c;
- xfs_dfilblks_t cp;
+ xfs_filblks_t c;
+ xfs_filblks_t cp;
int f;
int i;
xfs_agblock_t iagbno;
xfs_agnumber_t iagno;
- xfs_dfiloff_t o;
- xfs_dfiloff_t op;
- xfs_dfsbno_t s;
+ xfs_fileoff_t o;
+ xfs_fileoff_t op;
+ xfs_fsblock_t s;
int v;
cp = op = 0;
if (CHECK_BLIST(b))
dbprintf(_("inode %lld block %lld at "
"offset %lld\n"),
- id->ino, (xfs_dfsbno_t)b, o);
+ id->ino, (xfs_fsblock_t)b, o);
}
} else {
agno = XFS_FSB_TO_AGNO(mp, (xfs_fsblock_t)s);
if (CHECK_BLIST(b))
dbprintf(_("inode %lld block %lld at "
"offset %lld\n"),
- id->ino, (xfs_dfsbno_t)b, o);
+ id->ino, (xfs_fsblock_t)b, o);
}
}
*tot += c;
inodata_t *id,
xfs_dinode_t *dip,
dbm_t type,
- xfs_drfsbno_t *totd,
- xfs_drfsbno_t *toti,
+ xfs_rfsblock_t *totd,
+ xfs_rfsblock_t *toti,
xfs_extnum_t *nex,
blkmap_t **blkmapp,
int whichfork)
inodata_t *id,
xfs_dinode_t *dip,
dbm_t type,
- xfs_drfsbno_t *totd,
- xfs_drfsbno_t *toti,
+ xfs_rfsblock_t *totd,
+ xfs_rfsblock_t *toti,
xfs_extnum_t *nex,
blkmap_t **blkmapp,
int whichfork)
xfs_extnum_t nextents = 0;
int nlink;
int security;
- xfs_drfsbno_t totblocks;
- xfs_drfsbno_t totdblocks = 0;
- xfs_drfsbno_t totiblocks = 0;
+ xfs_rfsblock_t totblocks;
+ xfs_rfsblock_t totdblocks = 0;
+ xfs_rfsblock_t totiblocks = 0;
dbm_t type;
xfs_extnum_t anextents = 0;
- xfs_drfsbno_t atotdblocks = 0;
- xfs_drfsbno_t atotiblocks = 0;
+ xfs_rfsblock_t atotdblocks = 0;
+ xfs_rfsblock_t atotiblocks = 0;
xfs_qcnt_t bc = 0;
xfs_qcnt_t ic = 0;
xfs_qcnt_t rc = 0;
inodata_t *id,
xfs_dinode_t *dip,
dbm_t type,
- xfs_drfsbno_t *totd,
- xfs_drfsbno_t *toti,
+ xfs_rfsblock_t *totd,
+ xfs_rfsblock_t *toti,
xfs_extnum_t *nex,
blkmap_t **blkmapp,
int whichfork)
if (v)
dbprintf(_("dir inode %lld block %u=%llu\n"), id->ino,
(__uint32_t)dbno,
- (xfs_dfsbno_t)bmp->startblock);
+ (xfs_fsblock_t)bmp->startblock);
push_cur();
if (nex > 1)
make_bbmap(&bbmap, nex, bmp);
if (scicb)
dbprintf(_("can't read block %lld for %s quota "
"inode (fsblock %lld)\n"),
- (xfs_dfiloff_t)qbno, s,
- (xfs_dfsbno_t)bno);
+ (xfs_fileoff_t)qbno, s,
+ (xfs_fsblock_t)bno);
error++;
pop_cur();
continue;
if (verbose || id->ilist || cb)
dbprintf(_("%s dqblk %lld entry %d id %u bc "
"%lld ic %lld rc %lld\n"),
- s, (xfs_dfiloff_t)qbno, i, dqid,
+ s, (xfs_fileoff_t)qbno, i, dqid,
be64_to_cpu(dqb->dd_diskdq.d_bcount),
be64_to_cpu(dqb->dd_diskdq.d_icount),
be64_to_cpu(dqb->dd_diskdq.d_rtbcount));
dbprintf(_("bad magic number %#x for %s "
"dqblk %lld entry %d id %u\n"),
be16_to_cpu(dqb->dd_diskdq.d_magic), s,
- (xfs_dfiloff_t)qbno, i, dqid);
+ (xfs_fileoff_t)qbno, i, dqid);
error++;
continue;
}
"%s dqblk %lld entry %d id "
"%u\n"),
dqb->dd_diskdq.d_version, s,
- (xfs_dfiloff_t)qbno, i, dqid);
+ (xfs_fileoff_t)qbno, i, dqid);
error++;
continue;
}
dbprintf(_("bad flags %#x for %s dqblk "
"%lld entry %d id %u\n"),
dqb->dd_diskdq.d_flags, s,
- (xfs_dfiloff_t)qbno, i, dqid);
+ (xfs_fileoff_t)qbno, i, dqid);
error++;
continue;
}
dbprintf(_("bad id %u for %s dqblk %lld "
"entry %d id %u\n"),
be32_to_cpu(dqb->dd_diskdq.d_id), s,
- (xfs_dfiloff_t)qbno, i, dqid);
+ (xfs_fileoff_t)qbno, i, dqid);
error++;
continue;
}
int bitsperblock;
xfs_fileoff_t bmbno;
xfs_fsblock_t bno;
- xfs_drtbno_t extno;
+ xfs_rtblock_t extno;
int len;
int log;
int offs;
int prevbit;
- xfs_drfsbno_t rtbno;
+ xfs_rfsblock_t rtbno;
int start_bmbno;
int start_bit;
int t;
if (!sflag)
dbprintf(_("block %lld for rtbitmap inode is "
"missing\n"),
- (xfs_dfiloff_t)bmbno);
+ (xfs_fileoff_t)bmbno);
error++;
continue;
}
if (!sflag)
dbprintf(_("can't read block %lld for rtbitmap "
"inode\n"),
- (xfs_dfiloff_t)bmbno);
+ (xfs_fileoff_t)bmbno);
error++;
pop_cur();
continue;
if (!sflag)
dbprintf(_("block %lld for rtsummary inode is "
"missing\n"),
- (xfs_dfiloff_t)sumbno);
+ (xfs_fileoff_t)sumbno);
error++;
continue;
}
if (!sflag)
dbprintf(_("can't read block %lld for rtsummary "
"inode\n"),
- (xfs_dfiloff_t)sumbno);
+ (xfs_fileoff_t)sumbno);
error++;
pop_cur();
continue;
scan_lbtree_f_t func,
dbm_t type,
inodata_t *id,
- xfs_drfsbno_t *totd,
- xfs_drfsbno_t *toti,
+ xfs_rfsblock_t *totd,
+ xfs_rfsblock_t *toti,
xfs_extnum_t *nex,
blkmap_t **blkmapp,
int isroot,
dbm_t type,
xfs_fsblock_t bno,
inodata_t *id,
- xfs_drfsbno_t *totd,
- xfs_drfsbno_t *toti,
+ xfs_rfsblock_t *totd,
+ xfs_rfsblock_t *toti,
xfs_extnum_t *nex,
blkmap_t **blkmapp,
int isroot,
"in inode %lld bmap block %lld\n"),
be16_to_cpu(block->bb_numrecs), mp->m_bmap_dmnr[0],
mp->m_bmap_dmxr[0], id->ino,
- (xfs_dfsbno_t)bno);
+ (xfs_fsblock_t)bno);
error++;
return;
}
dbprintf(_("bad btree nrecs (%u, min=%u, max=%u) in "
"inode %lld bmap block %lld\n"),
be16_to_cpu(block->bb_numrecs), mp->m_bmap_dmnr[1],
- mp->m_bmap_dmxr[1], id->ino, (xfs_dfsbno_t)bno);
+ mp->m_bmap_dmxr[1], id->ino, (xfs_fsblock_t)bno);
error++;
return;
}
static void
set_rdbmap(
- xfs_drfsbno_t bno,
+ xfs_rfsblock_t bno,
xfs_extlen_t len,
dbm_t type)
{
static void
set_rinomap(
- xfs_drfsbno_t bno,
+ xfs_rfsblock_t bno,
xfs_extlen_t len,
inodata_t *id)
{
{
bmap_ext_t bm;
__uint32_t bno;
- xfs_dfsbno_t dfsbno;
+ xfs_fsblock_t dfsbno;
int nex;
bno = (__uint32_t)getbitval(obj, bit, bitsz(bno), BVUNSIGNED);
typnm_t next)
{
bmap_ext_t bm;
- xfs_dfiloff_t bno;
- xfs_dfsbno_t dfsbno;
+ xfs_fileoff_t bno;
+ xfs_fsblock_t dfsbno;
int nex;
- bno = (xfs_dfiloff_t)getbitval(obj, bit, BMBT_STARTOFF_BITLEN,
+ bno = (xfs_fileoff_t)getbitval(obj, bit, BMBT_STARTOFF_BITLEN,
BVUNSIGNED);
- if (bno == NULLDFILOFF) {
+ if (bno == NULLFILEOFF) {
dbprintf(_("null block number, cannot set new addr\n"));
return;
}
{
bbmap_t bbmap;
bmap_ext_t *bmp;
- xfs_dfiloff_t bno;
- xfs_dfsbno_t dfsbno;
+ xfs_fileoff_t bno;
+ xfs_fsblock_t dfsbno;
int nb;
int nex;
- bno = (xfs_dfiloff_t)getbitval(obj, bit, BMBT_STARTOFF_BITLEN,
+ bno = (xfs_fileoff_t)getbitval(obj, bit, BMBT_STARTOFF_BITLEN,
BVUNSIGNED);
- if (bno == NULLDFILOFF) {
+ if (bno == NULLFILEOFF) {
dbprintf(_("null block number, cannot set new addr\n"));
return;
}
int bit,
typnm_t next)
{
- xfs_dfsbno_t bno;
+ xfs_fsblock_t bno;
int nb;
- bno = (xfs_dfsbno_t)getbitval(obj, bit, BMBT_STARTBLOCK_BITLEN,
+ bno = (xfs_fsblock_t)getbitval(obj, bit, BMBT_STARTBLOCK_BITLEN,
BVUNSIGNED);
- if (bno == NULLDFSBNO) {
+ if (bno == NULLFSBLOCK) {
dbprintf(_("null block number, cannot set new addr\n"));
return;
}
typnm_t next)
{
bmap_ext_t bm;
- xfs_dfiloff_t bno;
- xfs_dfsbno_t dfsbno;
+ xfs_fileoff_t bno;
+ xfs_fsblock_t dfsbno;
int nex;
- bno = (xfs_dfiloff_t)getbitval(obj, bit, bitsz(bno), BVUNSIGNED);
- if (bno == NULLDFILOFF) {
+ bno = (xfs_fileoff_t)getbitval(obj, bit, bitsz(bno), BVUNSIGNED);
+ if (bno == NULLFILEOFF) {
dbprintf(_("null block number, cannot set new addr\n"));
return;
}
{
bbmap_t bbmap;
bmap_ext_t *bmp;
- xfs_dfiloff_t bno;
- xfs_dfsbno_t dfsbno;
+ xfs_fileoff_t bno;
+ xfs_fsblock_t dfsbno;
int nb;
int nex;
- bno = (xfs_dfiloff_t)getbitval(obj, bit, bitsz(bno), BVUNSIGNED);
- if (bno == NULLDFILOFF) {
+ bno = (xfs_fileoff_t)getbitval(obj, bit, bitsz(bno), BVUNSIGNED);
+ if (bno == NULLFILEOFF) {
dbprintf(_("null block number, cannot set new addr\n"));
return;
}
int bit,
typnm_t next)
{
- xfs_dfsbno_t bno;
+ xfs_fsblock_t bno;
- bno = (xfs_dfsbno_t)getbitval(obj, bit, bitsz(bno), BVUNSIGNED);
- if (bno == NULLDFSBNO) {
+ bno = (xfs_fsblock_t)getbitval(obj, bit, bitsz(bno), BVUNSIGNED);
+ if (bno == NULLFSBLOCK) {
dbprintf(_("null block number, cannot set new addr\n"));
return;
}
bbmap_t bbmap;
bmap_ext_t *bmp;
__uint32_t bno;
- xfs_dfsbno_t dfsbno;
+ xfs_fsblock_t dfsbno;
int nex;
bno = (__uint32_t)getbitval(obj, bit, bitsz(bno), BVUNSIGNED);
int bit,
typnm_t next)
{
- xfs_drfsbno_t bno;
+ xfs_rfsblock_t bno;
- bno = (xfs_drfsbno_t)getbitval(obj, bit, bitsz(bno), BVUNSIGNED);
- if (bno == NULLDRFSBNO) {
+ bno = (xfs_rfsblock_t)getbitval(obj, bit, bitsz(bno), BVUNSIGNED);
+ if (bno == NULLRFSBLOCK) {
dbprintf(_("null block number, cannot set new addr\n"));
return;
}
int bit,
typnm_t next)
{
- xfs_drtbno_t bno;
+ xfs_rtblock_t bno;
- bno = (xfs_drtbno_t)getbitval(obj, bit, bitsz(bno), BVUNSIGNED);
- if (bno == NULLDRTBNO) {
+ bno = (xfs_rtblock_t)getbitval(obj, bit, bitsz(bno), BVUNSIGNED);
+ if (bno == NULLRTBLOCK) {
dbprintf(_("null block number, cannot set new addr\n"));
return;
}
0, NULL, NULL },
{ FLDT_DEV, "dev", fp_num, "%#x", SI(bitsz(xfs_dev_t)), 0, NULL, NULL },
- { FLDT_DFILOFFA, "dfiloffa", fp_num, "%llu", SI(bitsz(xfs_dfiloff_t)),
+ { FLDT_DFILOFFA, "dfiloffa", fp_num, "%llu", SI(bitsz(xfs_fileoff_t)),
0, fa_dfiloffa, NULL },
- { FLDT_DFILOFFD, "dfiloffd", fp_num, "%llu", SI(bitsz(xfs_dfiloff_t)),
+ { FLDT_DFILOFFD, "dfiloffd", fp_num, "%llu", SI(bitsz(xfs_fileoff_t)),
0, fa_dfiloffd, NULL },
- { FLDT_DFSBNO, "dfsbno", fp_num, "%llu", SI(bitsz(xfs_dfsbno_t)),
+ { FLDT_DFSBNO, "dfsbno", fp_num, "%llu", SI(bitsz(xfs_fsblock_t)),
FTARG_DONULL, fa_dfsbno, NULL },
{ FLDT_DINODE_A, "dinode_a", NULL, (char *)inode_a_flds, inode_a_size,
FTARG_SIZE|FTARG_OKEMPTY, NULL, inode_a_flds },
0, NULL, dqblk_flds },
{ FLDT_DQID, "dqid", fp_num, "%d", SI(bitsz(xfs_dqid_t)), 0, NULL,
NULL },
- { FLDT_DRFSBNO, "drfsbno", fp_num, "%llu", SI(bitsz(xfs_drfsbno_t)),
+ { FLDT_DRFSBNO, "drfsbno", fp_num, "%llu", SI(bitsz(xfs_rfsblock_t)),
FTARG_DONULL, fa_drfsbno, NULL },
- { FLDT_DRTBNO, "drtbno", fp_num, "%llu", SI(bitsz(xfs_drtbno_t)),
+ { FLDT_DRTBNO, "drtbno", fp_num, "%llu", SI(bitsz(xfs_rtblock_t)),
FTARG_DONULL, fa_drtbno, NULL },
{ FLDT_EXTLEN, "extlen", fp_num, "%u", SI(bitsz(xfs_extlen_t)), 0, NULL,
NULL },
int numrecs,
extmap_t **extmapp)
{
- xfs_dfilblks_t c;
+ xfs_filblks_t c;
int f;
int i;
- xfs_dfiloff_t o;
- xfs_dfsbno_t s;
+ xfs_fileoff_t o;
+ xfs_fsblock_t s;
for (i = 0; i < numrecs; i++, rp++) {
convert_extent(rp, &o, &s, &c, &f);
dbprintf("%s\n", tag);
dbprintf(_("\tbyte offset %lld, length %d\n"), ioc->off, ioc->len);
dbprintf(_("\tbuffer block %lld (fsbno %lld), %d bb%s\n"), ioc->bb,
- (xfs_dfsbno_t)XFS_DADDR_TO_FSB(mp, ioc->bb), ioc->blen,
+ (xfs_fsblock_t)XFS_DADDR_TO_FSB(mp, ioc->bb), ioc->blen,
ioc->blen == 1 ? "" : "s");
if (ioc->bbmap) {
dbprintf(_("\tblock map"));
ioc->typ == NULL ? "none" : ioc->typ->name,
ioc->bb,
ioc->blen,
- (xfs_dfsbno_t)XFS_DADDR_TO_FSB(mp, ioc->bb),
+ (xfs_fsblock_t)XFS_DADDR_TO_FSB(mp, ioc->bb),
ioc->ino
);
return 1;
if (agno == (mp->m_sb.sb_agcount - 1) && agbno > 0 &&
agbno <= (mp->m_sb.sb_dblocks -
- (xfs_drfsbno_t)(mp->m_sb.sb_agcount - 1) *
+ (xfs_rfsblock_t)(mp->m_sb.sb_agcount - 1) *
mp->m_sb.sb_agblocks))
return 1;
static void
process_dir_data_block(
char *block,
- xfs_dfiloff_t offset,
+ xfs_fileoff_t offset,
int is_block_format)
{
/*
/* Processes symlinks, attrs, directories ... */
static int
process_single_fsb_objects(
- xfs_dfiloff_t o,
- xfs_dfsbno_t s,
- xfs_dfilblks_t c,
+ xfs_fileoff_t o,
+ xfs_fsblock_t s,
+ xfs_filblks_t c,
typnm_t btype,
- xfs_dfiloff_t last)
+ xfs_fileoff_t last)
{
char *dp;
int ret = 0;
static int
process_multi_fsb_objects(
- xfs_dfiloff_t o,
- xfs_dfsbno_t s,
- xfs_dfilblks_t c,
+ xfs_fileoff_t o,
+ xfs_fsblock_t s,
+ xfs_filblks_t c,
typnm_t btype,
- xfs_dfiloff_t last)
+ xfs_fileoff_t last)
{
int ret = 0;
typnm_t btype)
{
int i;
- xfs_dfiloff_t o, op = NULLDFILOFF;
- xfs_dfsbno_t s;
- xfs_dfilblks_t c, cp = NULLDFILOFF;
+ xfs_fileoff_t o, op = NULLFILEOFF;
+ xfs_fsblock_t s;
+ xfs_filblks_t c, cp = NULLFILEOFF;
int f;
- xfs_dfiloff_t last;
+ xfs_fileoff_t last;
xfs_agnumber_t agno;
xfs_agblock_t agbno;
int error;
#include <xfs/xfs_types.h>
#include <xfs/jdm.h>
#include <xfs/xfs_bmap_btree.h>
-#include <xfs/xfs_dinode.h>
#include <xfs/xfs_attr_sf.h>
#include <fcntl.h>
#ifndef __LIBXFS_H__
#define __LIBXFS_H__
-#define XFS_BIG_INUMS 1
-#define XFS_BIG_BLKNOS 1
-
#include <xfs/platform_defs.h>
#include <xfs/list.h>
#include <xfs/xfs_trans_resv.h>
#include <xfs/xfs_bit.h>
-#include <xfs/xfs_inum.h>
#include <xfs/xfs_sb.h>
-#include <xfs/xfs_ag.h>
#include <xfs/xfs_da_format.h>
#include <xfs/xfs_da_btree.h>
#include <xfs/xfs_dir2.h>
#include <xfs/xfs_alloc_btree.h>
#include <xfs/xfs_ialloc_btree.h>
#include <xfs/xfs_attr_sf.h>
-#include <xfs/xfs_dinode.h>
#include <xfs/xfs_inode_fork.h>
#include <xfs/xfs_inode_buf.h>
#include <xfs/xfs_alloc.h>
#ifndef __XFS_ARCH_H__
#define __XFS_ARCH_H__
-#ifndef XFS_BIG_INUMS
-# error XFS_BIG_INUMS must be defined true or false
-#endif
-
-#ifdef __KERNEL__
-
-#include <asm/byteorder.h>
-
-#ifdef __BIG_ENDIAN
-#define XFS_NATIVE_HOST 1
-#else
-#undef XFS_NATIVE_HOST
-#endif
-
-#else /* __KERNEL__ */
-
#if __BYTE_ORDER == __BIG_ENDIAN
#define XFS_NATIVE_HOST 1
#else
*a = cpu_to_be64(be64_to_cpu(*a) + b);
}
-#endif /* __KERNEL__ */
-
/*
* get and set integers from potentially unaligned locations
*/
xfs_dir2_priv.h \
# headers installed in QA targets
-QAHFILES = xfs_ag.h \
- xfs_alloc.h \
+QAHFILES = xfs_alloc.h \
xfs_alloc_btree.h \
xfs_attr_leaf.h \
xfs_attr_sf.h \
xfs_cksum.h \
xfs_da_btree.h \
xfs_da_format.h \
- xfs_dinode.h \
xfs_dir2.h \
xfs_format.h \
xfs_ialloc.h \
xfs_ialloc_btree.h \
xfs_inode_buf.h \
xfs_inode_fork.h \
- xfs_inum.h \
xfs_log_format.h \
xfs_quota_defs.h \
xfs_sb.h \
return ip->i_size;
return ip->i_d.di_size;
}
+#define XFS_IS_REALTIME_INODE(ip) ((ip)->i_d.di_flags & XFS_DIFLAG_REALTIME)
/* xfs_mount.c */
int xfs_initialize_perag_data(xfs_mount_t *, xfs_agnumber_t);
+++ /dev/null
-/*
- * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it would be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-#ifndef __XFS_AG_H__
-#define __XFS_AG_H__
-
-/*
- * Allocation group header
- * This is divided into three structures, placed in sequential 512-byte
- * buffers after a copy of the superblock (also in a 512-byte buffer).
- */
-
-struct xfs_buf;
-struct xfs_mount;
-struct xfs_trans;
-
-#define XFS_AGF_MAGIC 0x58414746 /* 'XAGF' */
-#define XFS_AGI_MAGIC 0x58414749 /* 'XAGI' */
-#define XFS_AGFL_MAGIC 0x5841464c /* 'XAFL' */
-#define XFS_AGF_VERSION 1
-#define XFS_AGI_VERSION 1
-
-#define XFS_AGF_GOOD_VERSION(v) ((v) == XFS_AGF_VERSION)
-#define XFS_AGI_GOOD_VERSION(v) ((v) == XFS_AGI_VERSION)
-
-/*
- * Btree number 0 is bno, 1 is cnt. This value gives the size of the
- * arrays below.
- */
-#define XFS_BTNUM_AGF ((int)XFS_BTNUM_CNTi + 1)
-
-/*
- * The second word of agf_levels in the first a.g. overlaps the EFS
- * superblock's magic number. Since the magic numbers valid for EFS
- * are > 64k, our value cannot be confused for an EFS superblock's.
- */
-
-typedef struct xfs_agf {
- /*
- * Common allocation group header information
- */
- __be32 agf_magicnum; /* magic number == XFS_AGF_MAGIC */
- __be32 agf_versionnum; /* header version == XFS_AGF_VERSION */
- __be32 agf_seqno; /* sequence # starting from 0 */
- __be32 agf_length; /* size in blocks of a.g. */
- /*
- * Freespace information
- */
- __be32 agf_roots[XFS_BTNUM_AGF]; /* root blocks */
- __be32 agf_spare0; /* spare field */
- __be32 agf_levels[XFS_BTNUM_AGF]; /* btree levels */
- __be32 agf_spare1; /* spare field */
-
- __be32 agf_flfirst; /* first freelist block's index */
- __be32 agf_fllast; /* last freelist block's index */
- __be32 agf_flcount; /* count of blocks in freelist */
- __be32 agf_freeblks; /* total free blocks */
-
- __be32 agf_longest; /* longest free space */
- __be32 agf_btreeblks; /* # of blocks held in AGF btrees */
- uuid_t agf_uuid; /* uuid of filesystem */
-
- /*
- * reserve some contiguous space for future logged fields before we add
- * the unlogged fields. This makes the range logging via flags and
- * structure offsets much simpler.
- */
- __be64 agf_spare64[16];
-
- /* unlogged fields, written during buffer writeback. */
- __be64 agf_lsn; /* last write sequence */
- __be32 agf_crc; /* crc of agf sector */
- __be32 agf_spare2;
-
- /* structure must be padded to 64 bit alignment */
-} xfs_agf_t;
-
-#define XFS_AGF_CRC_OFF offsetof(struct xfs_agf, agf_crc)
-
-#define XFS_AGF_MAGICNUM 0x00000001
-#define XFS_AGF_VERSIONNUM 0x00000002
-#define XFS_AGF_SEQNO 0x00000004
-#define XFS_AGF_LENGTH 0x00000008
-#define XFS_AGF_ROOTS 0x00000010
-#define XFS_AGF_LEVELS 0x00000020
-#define XFS_AGF_FLFIRST 0x00000040
-#define XFS_AGF_FLLAST 0x00000080
-#define XFS_AGF_FLCOUNT 0x00000100
-#define XFS_AGF_FREEBLKS 0x00000200
-#define XFS_AGF_LONGEST 0x00000400
-#define XFS_AGF_BTREEBLKS 0x00000800
-#define XFS_AGF_UUID 0x00001000
-#define XFS_AGF_NUM_BITS 13
-#define XFS_AGF_ALL_BITS ((1 << XFS_AGF_NUM_BITS) - 1)
-
-#define XFS_AGF_FLAGS \
- { XFS_AGF_MAGICNUM, "MAGICNUM" }, \
- { XFS_AGF_VERSIONNUM, "VERSIONNUM" }, \
- { XFS_AGF_SEQNO, "SEQNO" }, \
- { XFS_AGF_LENGTH, "LENGTH" }, \
- { XFS_AGF_ROOTS, "ROOTS" }, \
- { XFS_AGF_LEVELS, "LEVELS" }, \
- { XFS_AGF_FLFIRST, "FLFIRST" }, \
- { XFS_AGF_FLLAST, "FLLAST" }, \
- { XFS_AGF_FLCOUNT, "FLCOUNT" }, \
- { XFS_AGF_FREEBLKS, "FREEBLKS" }, \
- { XFS_AGF_LONGEST, "LONGEST" }, \
- { XFS_AGF_BTREEBLKS, "BTREEBLKS" }, \
- { XFS_AGF_UUID, "UUID" }
-
-/* disk block (xfs_daddr_t) in the AG */
-#define XFS_AGF_DADDR(mp) ((xfs_daddr_t)(1 << (mp)->m_sectbb_log))
-#define XFS_AGF_BLOCK(mp) XFS_HDR_BLOCK(mp, XFS_AGF_DADDR(mp))
-#define XFS_BUF_TO_AGF(bp) ((xfs_agf_t *)((bp)->b_addr))
-
-extern int xfs_read_agf(struct xfs_mount *mp, struct xfs_trans *tp,
- xfs_agnumber_t agno, int flags, struct xfs_buf **bpp);
-
-/*
- * Size of the unlinked inode hash table in the agi.
- */
-#define XFS_AGI_UNLINKED_BUCKETS 64
-
-typedef struct xfs_agi {
- /*
- * Common allocation group header information
- */
- __be32 agi_magicnum; /* magic number == XFS_AGI_MAGIC */
- __be32 agi_versionnum; /* header version == XFS_AGI_VERSION */
- __be32 agi_seqno; /* sequence # starting from 0 */
- __be32 agi_length; /* size in blocks of a.g. */
- /*
- * Inode information
- * Inodes are mapped by interpreting the inode number, so no
- * mapping data is needed here.
- */
- __be32 agi_count; /* count of allocated inodes */
- __be32 agi_root; /* root of inode btree */
- __be32 agi_level; /* levels in inode btree */
- __be32 agi_freecount; /* number of free inodes */
-
- __be32 agi_newino; /* new inode just allocated */
- __be32 agi_dirino; /* last directory inode chunk */
- /*
- * Hash table of inodes which have been unlinked but are
- * still being referenced.
- */
- __be32 agi_unlinked[XFS_AGI_UNLINKED_BUCKETS];
- /*
- * This marks the end of logging region 1 and start of logging region 2.
- */
- uuid_t agi_uuid; /* uuid of filesystem */
- __be32 agi_crc; /* crc of agi sector */
- __be32 agi_pad32;
- __be64 agi_lsn; /* last write sequence */
-
- __be32 agi_free_root; /* root of the free inode btree */
- __be32 agi_free_level;/* levels in free inode btree */
-
- /* structure must be padded to 64 bit alignment */
-} xfs_agi_t;
-
-#define XFS_AGI_CRC_OFF offsetof(struct xfs_agi, agi_crc)
-
-#define XFS_AGI_MAGICNUM (1 << 0)
-#define XFS_AGI_VERSIONNUM (1 << 1)
-#define XFS_AGI_SEQNO (1 << 2)
-#define XFS_AGI_LENGTH (1 << 3)
-#define XFS_AGI_COUNT (1 << 4)
-#define XFS_AGI_ROOT (1 << 5)
-#define XFS_AGI_LEVEL (1 << 6)
-#define XFS_AGI_FREECOUNT (1 << 7)
-#define XFS_AGI_NEWINO (1 << 8)
-#define XFS_AGI_DIRINO (1 << 9)
-#define XFS_AGI_UNLINKED (1 << 10)
-#define XFS_AGI_NUM_BITS_R1 11 /* end of the 1st agi logging region */
-#define XFS_AGI_ALL_BITS_R1 ((1 << XFS_AGI_NUM_BITS_R1) - 1)
-#define XFS_AGI_FREE_ROOT (1 << 11)
-#define XFS_AGI_FREE_LEVEL (1 << 12)
-#define XFS_AGI_NUM_BITS_R2 13
-
-/* disk block (xfs_daddr_t) in the AG */
-#define XFS_AGI_DADDR(mp) ((xfs_daddr_t)(2 << (mp)->m_sectbb_log))
-#define XFS_AGI_BLOCK(mp) XFS_HDR_BLOCK(mp, XFS_AGI_DADDR(mp))
-#define XFS_BUF_TO_AGI(bp) ((xfs_agi_t *)((bp)->b_addr))
-
-extern int xfs_read_agi(struct xfs_mount *mp, struct xfs_trans *tp,
- xfs_agnumber_t agno, struct xfs_buf **bpp);
-
-/*
- * The third a.g. block contains the a.g. freelist, an array
- * of block pointers to blocks owned by the allocation btree code.
- */
-#define XFS_AGFL_DADDR(mp) ((xfs_daddr_t)(3 << (mp)->m_sectbb_log))
-#define XFS_AGFL_BLOCK(mp) XFS_HDR_BLOCK(mp, XFS_AGFL_DADDR(mp))
-#define XFS_BUF_TO_AGFL(bp) ((xfs_agfl_t *)((bp)->b_addr))
-
-#define XFS_BUF_TO_AGFL_BNO(mp, bp) \
- (xfs_sb_version_hascrc(&((mp)->m_sb)) ? \
- &(XFS_BUF_TO_AGFL(bp)->agfl_bno[0]) : \
- (__be32 *)(bp)->b_addr)
-
-/*
- * Size of the AGFL. For CRC-enabled filesystes we steal a couple of
- * slots in the beginning of the block for a proper header with the
- * location information and CRC.
- */
-#define XFS_AGFL_SIZE(mp) \
- (((mp)->m_sb.sb_sectsize - \
- (xfs_sb_version_hascrc(&((mp)->m_sb)) ? \
- sizeof(struct xfs_agfl) : 0)) / \
- sizeof(xfs_agblock_t))
-
-typedef struct xfs_agfl {
- __be32 agfl_magicnum;
- __be32 agfl_seqno;
- uuid_t agfl_uuid;
- __be64 agfl_lsn;
- __be32 agfl_crc;
- __be32 agfl_bno[]; /* actually XFS_AGFL_SIZE(mp) */
-} xfs_agfl_t;
-
-#define XFS_AGFL_CRC_OFF offsetof(struct xfs_agfl, agfl_crc)
-
-/*
- * tags for inode radix tree
- */
-#define XFS_ICI_NO_TAG (-1) /* special flag for an untagged lookup
- in xfs_inode_ag_iterator */
-#define XFS_ICI_RECLAIM_TAG 0 /* inode is to be reclaimed */
-#define XFS_ICI_EOFBLOCKS_TAG 1 /* inode has blocks beyond EOF */
-
-#define XFS_AG_MAXLEVELS(mp) ((mp)->m_ag_maxlevels)
-#define XFS_MIN_FREELIST_RAW(bl,cl,mp) \
- (MIN(bl + 1, XFS_AG_MAXLEVELS(mp)) + MIN(cl + 1, XFS_AG_MAXLEVELS(mp)))
-#define XFS_MIN_FREELIST(a,mp) \
- (XFS_MIN_FREELIST_RAW( \
- be32_to_cpu((a)->agf_levels[XFS_BTNUM_BNOi]), \
- be32_to_cpu((a)->agf_levels[XFS_BTNUM_CNTi]), mp))
-#define XFS_MIN_FREELIST_PAG(pag,mp) \
- (XFS_MIN_FREELIST_RAW( \
- (unsigned int)(pag)->pagf_levels[XFS_BTNUM_BNOi], \
- (unsigned int)(pag)->pagf_levels[XFS_BTNUM_CNTi], mp))
-
-#define XFS_AGB_TO_FSB(mp,agno,agbno) \
- (((xfs_fsblock_t)(agno) << (mp)->m_sb.sb_agblklog) | (agbno))
-#define XFS_FSB_TO_AGNO(mp,fsbno) \
- ((xfs_agnumber_t)((fsbno) >> (mp)->m_sb.sb_agblklog))
-#define XFS_FSB_TO_AGBNO(mp,fsbno) \
- ((xfs_agblock_t)((fsbno) & xfs_mask32lo((mp)->m_sb.sb_agblklog)))
-#define XFS_AGB_TO_DADDR(mp,agno,agbno) \
- ((xfs_daddr_t)XFS_FSB_TO_BB(mp, \
- (xfs_fsblock_t)(agno) * (mp)->m_sb.sb_agblocks + (agbno)))
-#define XFS_AG_DADDR(mp,agno,d) (XFS_AGB_TO_DADDR(mp, agno, 0) + (d))
-
-/*
- * For checking for bad ranges of xfs_daddr_t's, covering multiple
- * allocation groups or a single xfs_daddr_t that's a superblock copy.
- */
-#define XFS_AG_CHECK_DADDR(mp,d,len) \
- ((len) == 1 ? \
- ASSERT((d) == XFS_SB_DADDR || \
- xfs_daddr_to_agbno(mp, d) != XFS_SB_DADDR) : \
- ASSERT(xfs_daddr_to_agno(mp, d) == \
- xfs_daddr_to_agno(mp, (d) + (len) - 1)))
-
-#endif /* __XFS_AG_H__ */
be32_to_cpu(agf->agf_flcount) <= XFS_AGFL_SIZE(mp)))
return false;
+ if (be32_to_cpu(agf->agf_levels[XFS_BTNUM_BNO]) > XFS_BTREE_MAXLEVELS ||
+ be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNT]) > XFS_BTREE_MAXLEVELS)
+ return false;
+
/*
* during growfs operations, the perag is not fully initialised,
* so we can't use it for any useful checking. growfs ensures we can't
xfs_extlen_t *len, /* output: length of extent */
int *stat); /* output: success/failure */
+int xfs_read_agf(struct xfs_mount *mp, struct xfs_trans *tp,
+ xfs_agnumber_t agno, int flags, struct xfs_buf **bpp);
+
#endif /* __XFS_ALLOC_H__ */
/*
- * Internal routines when attribute fork size == mp->m_sb.sb_blocksize
+ * Internal routines when attribute fork size == XFS_LBSIZE(mp).
*/
int xfs_attr3_leaf_to_node(struct xfs_da_args *args);
int xfs_attr3_leaf_to_shortform(struct xfs_buf *bp,
pp = XFS_BMAP_BROOT_PTR_ADDR(mp, block, 1, ifp->if_broot_bytes);
bno = be64_to_cpu(*pp);
- ASSERT(bno != NULLDFSBNO);
+ ASSERT(bno != NULLFSBLOCK);
ASSERT(XFS_FSB_TO_AGNO(mp, bno) < mp->m_sb.sb_agcount);
ASSERT(XFS_FSB_TO_AGBNO(mp, bno) < mp->m_sb.sb_agblocks);
ASSERT(level > 0);
pp = XFS_BMAP_BROOT_PTR_ADDR(mp, block, 1, ifp->if_broot_bytes);
bno = be64_to_cpu(*pp);
- ASSERT(bno != NULLDFSBNO);
+ ASSERT(bno != NULLFSBLOCK);
ASSERT(XFS_FSB_TO_AGNO(mp, bno) < mp->m_sb.sb_agcount);
ASSERT(XFS_FSB_TO_AGBNO(mp, bno) < mp->m_sb.sb_agblocks);
/*
gotp->br_startoff = 0xffa5a5a5a5a5a5a5LL;
gotp->br_blockcount = 0xa55a5a5a5a5a5a5aLL;
gotp->br_state = XFS_EXT_INVALID;
-#if XFS_BIG_BLKNOS
gotp->br_startblock = 0xffffa5a5a5a5a5a5LL;
-#else
- gotp->br_startblock = 0xffffa5a5;
-#endif
prevp->br_startoff = NULLFILEOFF;
ep = xfs_iext_bno_to_ext(ifp, bno, &lastx);
return error;
}
+/*
+ * Determine whether an extent shift can be accomplished by a merge with the
+ * extent that precedes the target hole of the shift.
+ */
+STATIC bool
+xfs_bmse_can_merge(
+ struct xfs_bmbt_irec *left, /* preceding extent */
+ struct xfs_bmbt_irec *got, /* current extent to shift */
+ xfs_fileoff_t shift) /* shift fsb */
+{
+ xfs_fileoff_t startoff;
+
+ startoff = got->br_startoff - shift;
+
+ /*
+ * The extent, once shifted, must be adjacent in-file and on-disk with
+ * the preceding extent.
+ */
+ if ((left->br_startoff + left->br_blockcount != startoff) ||
+ (left->br_startblock + left->br_blockcount != got->br_startblock) ||
+ (left->br_state != got->br_state) ||
+ (left->br_blockcount + got->br_blockcount > MAXEXTLEN))
+ return false;
+
+ return true;
+}
+
+/*
+ * A bmap extent shift adjusts the file offset of an extent to fill a preceding
+ * hole in the file. If an extent shift would result in the extent being fully
+ * adjacent to the extent that currently precedes the hole, we can merge with
+ * the preceding extent rather than do the shift.
+ *
+ * This function assumes the caller has verified a shift-by-merge is possible
+ * with the provided extents via xfs_bmse_can_merge().
+ */
+STATIC int
+xfs_bmse_merge(
+ struct xfs_inode *ip,
+ int whichfork,
+ xfs_fileoff_t shift, /* shift fsb */
+ int current_ext, /* idx of gotp */
+ struct xfs_bmbt_rec_host *gotp, /* extent to shift */
+ struct xfs_bmbt_rec_host *leftp, /* preceding extent */
+ struct xfs_btree_cur *cur,
+ int *logflags) /* output */
+{
+ struct xfs_bmbt_irec got;
+ struct xfs_bmbt_irec left;
+ xfs_filblks_t blockcount;
+ int error, i;
+
+ xfs_bmbt_get_all(gotp, &got);
+ xfs_bmbt_get_all(leftp, &left);
+ blockcount = left.br_blockcount + got.br_blockcount;
+
+ ASSERT(xfs_isilocked(ip, XFS_IOLOCK_EXCL));
+ ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
+ ASSERT(xfs_bmse_can_merge(&left, &got, shift));
+
+ /*
+ * Merge the in-core extents. Note that the host record pointers and
+ * current_ext index are invalid once the extent has been removed via
+ * xfs_iext_remove().
+ */
+ xfs_bmbt_set_blockcount(leftp, blockcount);
+ xfs_iext_remove(ip, current_ext, 1, 0);
+
+ /*
+ * Update the on-disk extent count, the btree if necessary and log the
+ * inode.
+ */
+ XFS_IFORK_NEXT_SET(ip, whichfork,
+ XFS_IFORK_NEXTENTS(ip, whichfork) - 1);
+ *logflags |= XFS_ILOG_CORE;
+ if (!cur) {
+ *logflags |= XFS_ILOG_DEXT;
+ return 0;
+ }
+
+ /* lookup and remove the extent to merge */
+ error = xfs_bmbt_lookup_eq(cur, got.br_startoff, got.br_startblock,
+ got.br_blockcount, &i);
+ if (error)
+ return error;
+ XFS_WANT_CORRUPTED_RETURN(i == 1);
+
+ error = xfs_btree_delete(cur, &i);
+ if (error)
+ return error;
+ XFS_WANT_CORRUPTED_RETURN(i == 1);
+
+ /* lookup and update size of the previous extent */
+ error = xfs_bmbt_lookup_eq(cur, left.br_startoff, left.br_startblock,
+ left.br_blockcount, &i);
+ if (error)
+ return error;
+ XFS_WANT_CORRUPTED_RETURN(i == 1);
+
+ left.br_blockcount = blockcount;
+
+ return xfs_bmbt_update(cur, left.br_startoff, left.br_startblock,
+ left.br_blockcount, left.br_state);
+}
+
+/*
+ * Shift a single extent.
+ */
+STATIC int
+xfs_bmse_shift_one(
+ struct xfs_inode *ip,
+ int whichfork,
+ xfs_fileoff_t offset_shift_fsb,
+ int *current_ext,
+ struct xfs_bmbt_rec_host *gotp,
+ struct xfs_btree_cur *cur,
+ int *logflags)
+{
+ struct xfs_ifork *ifp;
+ xfs_fileoff_t startoff;
+ struct xfs_bmbt_rec_host *leftp;
+ struct xfs_bmbt_irec got;
+ struct xfs_bmbt_irec left;
+ int error;
+ int i;
+
+ ifp = XFS_IFORK_PTR(ip, whichfork);
+
+ xfs_bmbt_get_all(gotp, &got);
+ startoff = got.br_startoff - offset_shift_fsb;
+
+ /* delalloc extents should be prevented by caller */
+ XFS_WANT_CORRUPTED_RETURN(!isnullstartblock(got.br_startblock));
+
+ /*
+ * Check for merge if we've got an extent to the left, otherwise make
+ * sure there's enough room at the start of the file for the shift.
+ */
+ if (*current_ext) {
+ /* grab the left extent and check for a large enough hole */
+ leftp = xfs_iext_get_ext(ifp, *current_ext - 1);
+ xfs_bmbt_get_all(leftp, &left);
+
+ if (startoff < left.br_startoff + left.br_blockcount)
+ return -EINVAL;
+
+ /* check whether to merge the extent or shift it down */
+ if (xfs_bmse_can_merge(&left, &got, offset_shift_fsb)) {
+ return xfs_bmse_merge(ip, whichfork, offset_shift_fsb,
+ *current_ext, gotp, leftp, cur,
+ logflags);
+ }
+ } else if (got.br_startoff < offset_shift_fsb)
+ return -EINVAL;
+
+ /*
+ * Increment the extent index for the next iteration, update the start
+ * offset of the in-core extent and update the btree if applicable.
+ */
+ (*current_ext)++;
+ xfs_bmbt_set_startoff(gotp, startoff);
+ *logflags |= XFS_ILOG_CORE;
+ if (!cur) {
+ *logflags |= XFS_ILOG_DEXT;
+ return 0;
+ }
+
+ error = xfs_bmbt_lookup_eq(cur, got.br_startoff, got.br_startblock,
+ got.br_blockcount, &i);
+ if (error)
+ return error;
+ XFS_WANT_CORRUPTED_RETURN(i == 1);
+
+ got.br_startoff = startoff;
+ return xfs_bmbt_update(cur, got.br_startoff, got.br_startblock,
+ got.br_blockcount, got.br_state);
+}
+
/*
* Shift extent records to the left to cover a hole.
*
- * The maximum number of extents to be shifted in a single operation
- * is @num_exts, and @current_ext keeps track of the current extent
- * index we have shifted. @offset_shift_fsb is the length by which each
- * extent is shifted. If there is no hole to shift the extents
- * into, this will be considered invalid operation and we abort immediately.
+ * The maximum number of extents to be shifted in a single operation is
+ * @num_exts. @start_fsb specifies the file offset to start the shift and the
+ * file offset where we've left off is returned in @next_fsb. @offset_shift_fsb
+ * is the length by which each extent is shifted. If there is no hole to shift
+ * the extents into, this will be considered invalid operation and we abort
+ * immediately.
*/
int
xfs_bmap_shift_extents(
struct xfs_trans *tp,
struct xfs_inode *ip,
- int *done,
xfs_fileoff_t start_fsb,
xfs_fileoff_t offset_shift_fsb,
- xfs_extnum_t *current_ext,
+ int *done,
+ xfs_fileoff_t *next_fsb,
xfs_fsblock_t *firstblock,
struct xfs_bmap_free *flist,
int num_exts)
{
- struct xfs_btree_cur *cur;
+ struct xfs_btree_cur *cur = NULL;
struct xfs_bmbt_rec_host *gotp;
struct xfs_bmbt_irec got;
- struct xfs_bmbt_irec left;
struct xfs_mount *mp = ip->i_mount;
struct xfs_ifork *ifp;
xfs_extnum_t nexts = 0;
- xfs_fileoff_t startoff;
+ xfs_extnum_t current_ext;
int error = 0;
- int i;
int whichfork = XFS_DATA_FORK;
- int logflags;
- xfs_filblks_t blockcount = 0;
+ int logflags = 0;
int total_extents;
if (unlikely(XFS_TEST_ERROR(
if (XFS_FORCED_SHUTDOWN(mp))
return -EIO;
- ASSERT(current_ext != NULL);
+ ASSERT(xfs_isilocked(ip, XFS_IOLOCK_EXCL));
+ ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
ifp = XFS_IFORK_PTR(ip, whichfork);
if (!(ifp->if_flags & XFS_IFEXTENTS)) {
return error;
}
- /*
- * If *current_ext is 0, we would need to lookup the extent
- * from where we would start shifting and store it in gotp.
- */
- if (!*current_ext) {
- gotp = xfs_iext_bno_to_ext(ifp, start_fsb, current_ext);
- /*
- * gotp can be null in 2 cases: 1) if there are no extents
- * or 2) start_fsb lies in a hole beyond which there are
- * no extents. Either way, we are done.
- */
- if (!gotp) {
- *done = 1;
- return 0;
- }
- }
-
- /* We are going to change core inode */
- logflags = XFS_ILOG_CORE;
if (ifp->if_flags & XFS_IFBROOT) {
cur = xfs_bmbt_init_cursor(mp, tp, ip, whichfork);
cur->bc_private.b.firstblock = *firstblock;
cur->bc_private.b.flist = flist;
cur->bc_private.b.flags = 0;
- } else {
- cur = NULL;
- logflags |= XFS_ILOG_DEXT;
+ }
+
+ /*
+ * Look up the extent index for the fsb where we start shifting. We can
+ * henceforth iterate with current_ext as extent list changes are locked
+ * out via ilock.
+ *
+ * gotp can be null in 2 cases: 1) if there are no extents or 2)
+ * start_fsb lies in a hole beyond which there are no extents. Either
+ * way, we are done.
+ */
+ gotp = xfs_iext_bno_to_ext(ifp, start_fsb, ¤t_ext);
+ if (!gotp) {
+ *done = 1;
+ goto del_cursor;
}
/*
* There may be delalloc extents in the data fork before the range we
- * are collapsing out, so we cannot
- * use the count of real extents here. Instead we have to calculate it
- * from the incore fork.
+ * are collapsing out, so we cannot use the count of real extents here.
+ * Instead we have to calculate it from the incore fork.
*/
total_extents = ifp->if_bytes / sizeof(xfs_bmbt_rec_t);
- while (nexts++ < num_exts && *current_ext < total_extents) {
-
- gotp = xfs_iext_get_ext(ifp, *current_ext);
- xfs_bmbt_get_all(gotp, &got);
- startoff = got.br_startoff - offset_shift_fsb;
-
- /*
- * Before shifting extent into hole, make sure that the hole
- * is large enough to accomodate the shift.
- */
- if (*current_ext) {
- xfs_bmbt_get_all(xfs_iext_get_ext(ifp,
- *current_ext - 1), &left);
-
- if (startoff < left.br_startoff + left.br_blockcount)
- error = -EINVAL;
- } else if (offset_shift_fsb > got.br_startoff) {
- /*
- * When first extent is shifted, offset_shift_fsb
- * should be less than the stating offset of
- * the first extent.
- */
- error = -EINVAL;
- }
-
+ while (nexts++ < num_exts && current_ext < total_extents) {
+ error = xfs_bmse_shift_one(ip, whichfork, offset_shift_fsb,
+ ¤t_ext, gotp, cur, &logflags);
if (error)
goto del_cursor;
- if (cur) {
- error = xfs_bmbt_lookup_eq(cur, got.br_startoff,
- got.br_startblock,
- got.br_blockcount,
- &i);
- if (error)
- goto del_cursor;
- XFS_WANT_CORRUPTED_GOTO(i == 1, del_cursor);
- }
-
- /* Check if we can merge 2 adjacent extents */
- if (*current_ext &&
- left.br_startoff + left.br_blockcount == startoff &&
- left.br_startblock + left.br_blockcount ==
- got.br_startblock &&
- left.br_state == got.br_state &&
- left.br_blockcount + got.br_blockcount <= MAXEXTLEN) {
- blockcount = left.br_blockcount +
- got.br_blockcount;
- xfs_iext_remove(ip, *current_ext, 1, 0);
- if (cur) {
- error = xfs_btree_delete(cur, &i);
- if (error)
- goto del_cursor;
- XFS_WANT_CORRUPTED_GOTO(i == 1, del_cursor);
- }
- XFS_IFORK_NEXT_SET(ip, whichfork,
- XFS_IFORK_NEXTENTS(ip, whichfork) - 1);
- gotp = xfs_iext_get_ext(ifp, --*current_ext);
- xfs_bmbt_get_all(gotp, &got);
-
- /* Make cursor point to the extent we will update */
- if (cur) {
- error = xfs_bmbt_lookup_eq(cur, got.br_startoff,
- got.br_startblock,
- got.br_blockcount,
- &i);
- if (error)
- goto del_cursor;
- XFS_WANT_CORRUPTED_GOTO(i == 1, del_cursor);
- }
-
- xfs_bmbt_set_blockcount(gotp, blockcount);
- got.br_blockcount = blockcount;
- } else {
- /* We have to update the startoff */
- xfs_bmbt_set_startoff(gotp, startoff);
- got.br_startoff = startoff;
- }
-
- if (cur) {
- error = xfs_bmbt_update(cur, got.br_startoff,
- got.br_startblock,
- got.br_blockcount,
- got.br_state);
- if (error)
- goto del_cursor;
- }
-
- (*current_ext)++;
+ /* update total extent count and grab the next record */
total_extents = ifp->if_bytes / sizeof(xfs_bmbt_rec_t);
+ if (current_ext >= total_extents)
+ break;
+ gotp = xfs_iext_get_ext(ifp, current_ext);
}
/* Check if we are done */
- if (*current_ext == total_extents)
+ if (current_ext == total_extents) {
*done = 1;
+ } else if (next_fsb) {
+ xfs_bmbt_get_all(gotp, &got);
+ *next_fsb = got.br_startoff;
+ }
del_cursor:
if (cur)
xfs_btree_del_cursor(cur,
error ? XFS_BTREE_ERROR : XFS_BTREE_NOERROR);
- xfs_trans_log_inode(tp, ip, logflags);
+ if (logflags)
+ xfs_trans_log_inode(tp, ip, logflags);
+
return error;
}
xfs_extnum_t num);
uint xfs_default_attroffset(struct xfs_inode *ip);
int xfs_bmap_shift_extents(struct xfs_trans *tp, struct xfs_inode *ip,
- int *done, xfs_fileoff_t start_fsb,
- xfs_fileoff_t offset_shift_fsb, xfs_extnum_t *current_ext,
- xfs_fsblock_t *firstblock, struct xfs_bmap_free *flist,
- int num_exts);
+ xfs_fileoff_t start_fsb, xfs_fileoff_t offset_shift_fsb,
+ int *done, xfs_fileoff_t *next_fsb, xfs_fsblock_t *firstblock,
+ struct xfs_bmap_free *flist, int num_exts);
#endif /* __XFS_BMAP_H__ */
ext_flag = (int)(l0 >> (64 - BMBT_EXNTFLAG_BITLEN));
s->br_startoff = ((xfs_fileoff_t)l0 &
xfs_mask64lo(64 - BMBT_EXNTFLAG_BITLEN)) >> 9;
-#if XFS_BIG_BLKNOS
s->br_startblock = (((xfs_fsblock_t)l0 & xfs_mask64lo(9)) << 43) |
(((xfs_fsblock_t)l1) >> 21);
-#else
-#ifdef DEBUG
- {
- xfs_dfsbno_t b;
-
- b = (((xfs_dfsbno_t)l0 & xfs_mask64lo(9)) << 43) |
- (((xfs_dfsbno_t)l1) >> 21);
- ASSERT((b >> 32) == 0 || isnulldstartblock(b));
- s->br_startblock = (xfs_fsblock_t)b;
- }
-#else /* !DEBUG */
- s->br_startblock = (xfs_fsblock_t)(((xfs_dfsbno_t)l1) >> 21);
-#endif /* DEBUG */
-#endif /* XFS_BIG_BLKNOS */
s->br_blockcount = (xfs_filblks_t)(l1 & xfs_mask64lo(21));
/* This is xfs_extent_state() in-line */
if (ext_flag) {
xfs_bmbt_get_startblock(
xfs_bmbt_rec_host_t *r)
{
-#if XFS_BIG_BLKNOS
return (((xfs_fsblock_t)r->l0 & xfs_mask64lo(9)) << 43) |
(((xfs_fsblock_t)r->l1) >> 21);
-#else
-#ifdef DEBUG
- xfs_dfsbno_t b;
-
- b = (((xfs_dfsbno_t)r->l0 & xfs_mask64lo(9)) << 43) |
- (((xfs_dfsbno_t)r->l1) >> 21);
- ASSERT((b >> 32) == 0 || isnulldstartblock(b));
- return (xfs_fsblock_t)b;
-#else /* !DEBUG */
- return (xfs_fsblock_t)(((xfs_dfsbno_t)r->l1) >> 21);
-#endif /* DEBUG */
-#endif /* XFS_BIG_BLKNOS */
}
/*
ASSERT((startoff & xfs_mask64hi(64-BMBT_STARTOFF_BITLEN)) == 0);
ASSERT((blockcount & xfs_mask64hi(64-BMBT_BLOCKCOUNT_BITLEN)) == 0);
-#if XFS_BIG_BLKNOS
ASSERT((startblock & xfs_mask64hi(64-BMBT_STARTBLOCK_BITLEN)) == 0);
r->l0 = ((xfs_bmbt_rec_base_t)extent_flag << 63) |
r->l1 = ((xfs_bmbt_rec_base_t)startblock << 21) |
((xfs_bmbt_rec_base_t)blockcount &
(xfs_bmbt_rec_base_t)xfs_mask64lo(21));
-#else /* !XFS_BIG_BLKNOS */
- if (isnullstartblock(startblock)) {
- r->l0 = ((xfs_bmbt_rec_base_t)extent_flag << 63) |
- ((xfs_bmbt_rec_base_t)startoff << 9) |
- (xfs_bmbt_rec_base_t)xfs_mask64lo(9);
- r->l1 = xfs_mask64hi(11) |
- ((xfs_bmbt_rec_base_t)startblock << 21) |
- ((xfs_bmbt_rec_base_t)blockcount &
- (xfs_bmbt_rec_base_t)xfs_mask64lo(21));
- } else {
- r->l0 = ((xfs_bmbt_rec_base_t)extent_flag << 63) |
- ((xfs_bmbt_rec_base_t)startoff << 9);
- r->l1 = ((xfs_bmbt_rec_base_t)startblock << 21) |
- ((xfs_bmbt_rec_base_t)blockcount &
- (xfs_bmbt_rec_base_t)xfs_mask64lo(21));
- }
-#endif /* XFS_BIG_BLKNOS */
}
/*
ASSERT(state == XFS_EXT_NORM || state == XFS_EXT_UNWRITTEN);
ASSERT((startoff & xfs_mask64hi(64-BMBT_STARTOFF_BITLEN)) == 0);
ASSERT((blockcount & xfs_mask64hi(64-BMBT_BLOCKCOUNT_BITLEN)) == 0);
-
-#if XFS_BIG_BLKNOS
ASSERT((startblock & xfs_mask64hi(64-BMBT_STARTBLOCK_BITLEN)) == 0);
r->l0 = cpu_to_be64(
((xfs_bmbt_rec_base_t)startblock << 21) |
((xfs_bmbt_rec_base_t)blockcount &
(xfs_bmbt_rec_base_t)xfs_mask64lo(21)));
-#else /* !XFS_BIG_BLKNOS */
- if (isnullstartblock(startblock)) {
- r->l0 = cpu_to_be64(
- ((xfs_bmbt_rec_base_t)extent_flag << 63) |
- ((xfs_bmbt_rec_base_t)startoff << 9) |
- (xfs_bmbt_rec_base_t)xfs_mask64lo(9));
- r->l1 = cpu_to_be64(xfs_mask64hi(11) |
- ((xfs_bmbt_rec_base_t)startblock << 21) |
- ((xfs_bmbt_rec_base_t)blockcount &
- (xfs_bmbt_rec_base_t)xfs_mask64lo(21)));
- } else {
- r->l0 = cpu_to_be64(
- ((xfs_bmbt_rec_base_t)extent_flag << 63) |
- ((xfs_bmbt_rec_base_t)startoff << 9));
- r->l1 = cpu_to_be64(
- ((xfs_bmbt_rec_base_t)startblock << 21) |
- ((xfs_bmbt_rec_base_t)blockcount &
- (xfs_bmbt_rec_base_t)xfs_mask64lo(21)));
- }
-#endif /* XFS_BIG_BLKNOS */
}
/*
xfs_bmbt_rec_host_t *r,
xfs_fsblock_t v)
{
-#if XFS_BIG_BLKNOS
ASSERT((v & xfs_mask64hi(12)) == 0);
r->l0 = (r->l0 & (xfs_bmbt_rec_base_t)xfs_mask64hi(55)) |
(xfs_bmbt_rec_base_t)(v >> 43);
r->l1 = (r->l1 & (xfs_bmbt_rec_base_t)xfs_mask64lo(21)) |
(xfs_bmbt_rec_base_t)(v << 21);
-#else /* !XFS_BIG_BLKNOS */
- if (isnullstartblock(v)) {
- r->l0 |= (xfs_bmbt_rec_base_t)xfs_mask64lo(9);
- r->l1 = (xfs_bmbt_rec_base_t)xfs_mask64hi(11) |
- ((xfs_bmbt_rec_base_t)v << 21) |
- (r->l1 & (xfs_bmbt_rec_base_t)xfs_mask64lo(21));
- } else {
- r->l0 &= ~(xfs_bmbt_rec_base_t)xfs_mask64lo(9);
- r->l1 = ((xfs_bmbt_rec_base_t)v << 21) |
- (r->l1 & (xfs_bmbt_rec_base_t)xfs_mask64lo(21));
- }
-#endif /* XFS_BIG_BLKNOS */
}
/*
cpu_to_be64(XFS_BUF_DADDR_NULL));
} else
ASSERT(rblock->bb_magic == cpu_to_be32(XFS_BMAP_MAGIC));
- ASSERT(rblock->bb_u.l.bb_leftsib == cpu_to_be64(NULLDFSBNO));
- ASSERT(rblock->bb_u.l.bb_rightsib == cpu_to_be64(NULLDFSBNO));
+ ASSERT(rblock->bb_u.l.bb_leftsib == cpu_to_be64(NULLFSBLOCK));
+ ASSERT(rblock->bb_u.l.bb_rightsib == cpu_to_be64(NULLFSBLOCK));
ASSERT(rblock->bb_level != 0);
dblock->bb_level = rblock->bb_level;
dblock->bb_numrecs = rblock->bb_numrecs;
/* sibling pointer verification */
if (!block->bb_u.l.bb_leftsib ||
- (block->bb_u.l.bb_leftsib != cpu_to_be64(NULLDFSBNO) &&
+ (block->bb_u.l.bb_leftsib != cpu_to_be64(NULLFSBLOCK) &&
!XFS_FSB_SANITY_CHECK(mp, be64_to_cpu(block->bb_u.l.bb_leftsib))))
return false;
if (!block->bb_u.l.bb_rightsib ||
- (block->bb_u.l.bb_rightsib != cpu_to_be64(NULLDFSBNO) &&
+ (block->bb_u.l.bb_rightsib != cpu_to_be64(NULLFSBLOCK) &&
!XFS_FSB_SANITY_CHECK(mp, be64_to_cpu(block->bb_u.l.bb_rightsib))))
return false;
be16_to_cpu(block->bb_numrecs) <=
cur->bc_ops->get_maxrecs(cur, level) &&
block->bb_u.l.bb_leftsib &&
- (block->bb_u.l.bb_leftsib == cpu_to_be64(NULLDFSBNO) ||
+ (block->bb_u.l.bb_leftsib == cpu_to_be64(NULLFSBLOCK) ||
XFS_FSB_SANITY_CHECK(mp,
be64_to_cpu(block->bb_u.l.bb_leftsib))) &&
block->bb_u.l.bb_rightsib &&
- (block->bb_u.l.bb_rightsib == cpu_to_be64(NULLDFSBNO) ||
+ (block->bb_u.l.bb_rightsib == cpu_to_be64(NULLFSBLOCK) ||
XFS_FSB_SANITY_CHECK(mp,
be64_to_cpu(block->bb_u.l.bb_rightsib)));
int /* error (0 or EFSCORRUPTED) */
xfs_btree_check_lptr(
struct xfs_btree_cur *cur, /* btree cursor */
- xfs_dfsbno_t bno, /* btree block disk address */
+ xfs_fsblock_t bno, /* btree block disk address */
int level) /* btree block level */
{
XFS_WANT_CORRUPTED_RETURN(
level > 0 &&
- bno != NULLDFSBNO &&
+ bno != NULLFSBLOCK &&
XFS_FSB_SANITY_CHECK(cur->bc_mp, bno));
return 0;
}
block = xfs_btree_get_block(cur, level, &bp);
xfs_btree_check_block(cur, block, level, bp);
if (cur->bc_flags & XFS_BTREE_LONG_PTRS)
- return block->bb_u.l.bb_rightsib == cpu_to_be64(NULLDFSBNO);
+ return block->bb_u.l.bb_rightsib == cpu_to_be64(NULLFSBLOCK);
else
return block->bb_u.s.bb_rightsib == cpu_to_be32(NULLAGBLOCK);
}
struct xfs_btree_block *block)
{
int rval = 0;
- xfs_dfsbno_t left = be64_to_cpu(block->bb_u.l.bb_leftsib);
- xfs_dfsbno_t right = be64_to_cpu(block->bb_u.l.bb_rightsib);
+ xfs_fsblock_t left = be64_to_cpu(block->bb_u.l.bb_leftsib);
+ xfs_fsblock_t right = be64_to_cpu(block->bb_u.l.bb_rightsib);
- if ((lr & XFS_BTCUR_LEFTRA) && left != NULLDFSBNO) {
+ if ((lr & XFS_BTCUR_LEFTRA) && left != NULLFSBLOCK) {
xfs_btree_reada_bufl(cur->bc_mp, left, 1,
cur->bc_ops->buf_ops);
rval++;
}
- if ((lr & XFS_BTCUR_RIGHTRA) && right != NULLDFSBNO) {
+ if ((lr & XFS_BTCUR_RIGHTRA) && right != NULLFSBLOCK) {
xfs_btree_reada_bufl(cur->bc_mp, right, 1,
cur->bc_ops->buf_ops);
rval++;
union xfs_btree_ptr *ptr)
{
if (cur->bc_flags & XFS_BTREE_LONG_PTRS) {
- ASSERT(ptr->l != cpu_to_be64(NULLDFSBNO));
+ ASSERT(ptr->l != cpu_to_be64(NULLFSBLOCK));
return XFS_FSB_TO_DADDR(cur->bc_mp, be64_to_cpu(ptr->l));
} else {
b = XFS_BUF_TO_BLOCK(bp);
if (cur->bc_flags & XFS_BTREE_LONG_PTRS) {
- if (b->bb_u.l.bb_leftsib == cpu_to_be64(NULLDFSBNO))
+ if (b->bb_u.l.bb_leftsib == cpu_to_be64(NULLFSBLOCK))
cur->bc_ra[lev] |= XFS_BTCUR_LEFTRA;
- if (b->bb_u.l.bb_rightsib == cpu_to_be64(NULLDFSBNO))
+ if (b->bb_u.l.bb_rightsib == cpu_to_be64(NULLFSBLOCK))
cur->bc_ra[lev] |= XFS_BTCUR_RIGHTRA;
} else {
if (b->bb_u.s.bb_leftsib == cpu_to_be32(NULLAGBLOCK))
union xfs_btree_ptr *ptr)
{
if (cur->bc_flags & XFS_BTREE_LONG_PTRS)
- return ptr->l == cpu_to_be64(NULLDFSBNO);
+ return ptr->l == cpu_to_be64(NULLFSBLOCK);
else
return ptr->s == cpu_to_be32(NULLAGBLOCK);
}
union xfs_btree_ptr *ptr)
{
if (cur->bc_flags & XFS_BTREE_LONG_PTRS)
- ptr->l = cpu_to_be64(NULLDFSBNO);
+ ptr->l = cpu_to_be64(NULLFSBLOCK);
else
ptr->s = cpu_to_be32(NULLAGBLOCK);
}
buf->bb_numrecs = cpu_to_be16(numrecs);
if (flags & XFS_BTREE_LONG_PTRS) {
- buf->bb_u.l.bb_leftsib = cpu_to_be64(NULLDFSBNO);
- buf->bb_u.l.bb_rightsib = cpu_to_be64(NULLDFSBNO);
+ buf->bb_u.l.bb_leftsib = cpu_to_be64(NULLFSBLOCK);
+ buf->bb_u.l.bb_rightsib = cpu_to_be64(NULLFSBLOCK);
if (flags & XFS_BTREE_CRC_BLOCKS) {
buf->bb_u.l.bb_blkno = cpu_to_be64(blkno);
buf->bb_u.l.bb_owner = cpu_to_be64(owner);
int /* error (0 or EFSCORRUPTED) */
xfs_btree_check_lptr(
struct xfs_btree_cur *cur, /* btree cursor */
- xfs_dfsbno_t ptr, /* btree block disk address */
+ xfs_fsblock_t ptr, /* btree block disk address */
int level); /* btree block level */
/*
struct xfs_buf *bp;
struct xfs_inode *dp;
struct xfs_trans *tp;
- struct xfs_mount *mp;
struct xfs_dir2_leaf *leaf;
xfs_dablk_t blkno;
int level;
dp = args->dp;
tp = args->trans;
- mp = state->mp;
error = xfs_da_get_buf(tp, dp, blkno, -1, &bp, args->whichfork);
if (error)
return error;
struct xfs_trans *tp = args->trans;
struct xfs_inode *dp = args->dp;
int w = args->whichfork;
- xfs_drfsbno_t nblks = dp->i_d.di_nblocks;
+ xfs_rfsblock_t nblks = dp->i_d.di_nblocks;
struct xfs_bmbt_irec map, *mapp;
int nmap, error, got, i, mapi;
xfs_inode_t *dp;
int done, error, w, count;
xfs_trans_t *tp;
- xfs_mount_t *mp;
trace_xfs_da_shrink_inode(args);
dp = args->dp;
w = args->whichfork;
tp = args->trans;
- mp = dp->i_mount;
count = args->geo->fsbcount;
for (;;) {
/*
mapp, nmap, 0);
error = bp ? bp->b_error : -EIO;
if (error) {
- xfs_trans_brelse(trans, bp);
+ if (bp)
+ xfs_trans_brelse(trans, bp);
goto out_free;
}
{
__uint8_t ftype = dep->name[dep->namelen];
- ASSERT(ftype < XFS_DIR3_FT_MAX);
if (ftype >= XFS_DIR3_FT_MAX)
return XFS_DIR3_FT_UNKNOWN;
return ftype;
+++ /dev/null
-/*
- * Copyright (c) 2000,2002,2005 Silicon Graphics, Inc.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it would be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-#ifndef __XFS_DINODE_H__
-#define __XFS_DINODE_H__
-
-#define XFS_DINODE_MAGIC 0x494e /* 'IN' */
-#define XFS_DINODE_GOOD_VERSION(v) ((v) >= 1 && (v) <= 3)
-
-typedef struct xfs_timestamp {
- __be32 t_sec; /* timestamp seconds */
- __be32 t_nsec; /* timestamp nanoseconds */
-} xfs_timestamp_t;
-
-/*
- * On-disk inode structure.
- *
- * This is just the header or "dinode core", the inode is expanded to fill a
- * variable size the leftover area split into a data and an attribute fork.
- * The format of the data and attribute fork depends on the format of the
- * inode as indicated by di_format and di_aformat. To access the data and
- * attribute use the XFS_DFORK_DPTR, XFS_DFORK_APTR, and XFS_DFORK_PTR macros
- * below.
- *
- * There is a very similar struct icdinode in xfs_inode which matches the
- * layout of the first 96 bytes of this structure, but is kept in native
- * format instead of big endian.
- *
- * Note: di_flushiter is only used by v1/2 inodes - it's effectively a zeroed
- * padding field for v3 inodes.
- */
-typedef struct xfs_dinode {
- __be16 di_magic; /* inode magic # = XFS_DINODE_MAGIC */
- __be16 di_mode; /* mode and type of file */
- __u8 di_version; /* inode version */
- __u8 di_format; /* format of di_c data */
- __be16 di_onlink; /* old number of links to file */
- __be32 di_uid; /* owner's user id */
- __be32 di_gid; /* owner's group id */
- __be32 di_nlink; /* number of links to file */
- __be16 di_projid_lo; /* lower part of owner's project id */
- __be16 di_projid_hi; /* higher part owner's project id */
- __u8 di_pad[6]; /* unused, zeroed space */
- __be16 di_flushiter; /* incremented on flush */
- xfs_timestamp_t di_atime; /* time last accessed */
- xfs_timestamp_t di_mtime; /* time last modified */
- xfs_timestamp_t di_ctime; /* time created/inode modified */
- __be64 di_size; /* number of bytes in file */
- __be64 di_nblocks; /* # of direct & btree blocks used */
- __be32 di_extsize; /* basic/minimum extent size for file */
- __be32 di_nextents; /* number of extents in data fork */
- __be16 di_anextents; /* number of extents in attribute fork*/
- __u8 di_forkoff; /* attr fork offs, <<3 for 64b align */
- __s8 di_aformat; /* format of attr fork's data */
- __be32 di_dmevmask; /* DMIG event mask */
- __be16 di_dmstate; /* DMIG state info */
- __be16 di_flags; /* random flags, XFS_DIFLAG_... */
- __be32 di_gen; /* generation number */
-
- /* di_next_unlinked is the only non-core field in the old dinode */
- __be32 di_next_unlinked;/* agi unlinked list ptr */
-
- /* start of the extended dinode, writable fields */
- __le32 di_crc; /* CRC of the inode */
- __be64 di_changecount; /* number of attribute changes */
- __be64 di_lsn; /* flush sequence */
- __be64 di_flags2; /* more random flags */
- __u8 di_pad2[16]; /* more padding for future expansion */
-
- /* fields only written to during inode creation */
- xfs_timestamp_t di_crtime; /* time created */
- __be64 di_ino; /* inode number */
- uuid_t di_uuid; /* UUID of the filesystem */
-
- /* structure must be padded to 64 bit alignment */
-} xfs_dinode_t;
-
-#define XFS_DINODE_CRC_OFF offsetof(struct xfs_dinode, di_crc)
-
-#define DI_MAX_FLUSH 0xffff
-
-/*
- * Size of the core inode on disk. Version 1 and 2 inodes have
- * the same size, but version 3 has grown a few additional fields.
- */
-static inline uint xfs_dinode_size(int version)
-{
- if (version == 3)
- return sizeof(struct xfs_dinode);
- return offsetof(struct xfs_dinode, di_crc);
-}
-
-/*
- * The 32 bit link count in the inode theoretically maxes out at UINT_MAX.
- * Since the pathconf interface is signed, we use 2^31 - 1 instead.
- * The old inode format had a 16 bit link count, so its maximum is USHRT_MAX.
- */
-#define XFS_MAXLINK ((1U << 31) - 1U)
-#define XFS_MAXLINK_1 65535U
-
-/*
- * Values for di_format
- */
-typedef enum xfs_dinode_fmt {
- XFS_DINODE_FMT_DEV, /* xfs_dev_t */
- XFS_DINODE_FMT_LOCAL, /* bulk data */
- XFS_DINODE_FMT_EXTENTS, /* struct xfs_bmbt_rec */
- XFS_DINODE_FMT_BTREE, /* struct xfs_bmdr_block */
- XFS_DINODE_FMT_UUID /* uuid_t */
-} xfs_dinode_fmt_t;
-
-/*
- * Inode minimum and maximum sizes.
- */
-#define XFS_DINODE_MIN_LOG 8
-#define XFS_DINODE_MAX_LOG 11
-#define XFS_DINODE_MIN_SIZE (1 << XFS_DINODE_MIN_LOG)
-#define XFS_DINODE_MAX_SIZE (1 << XFS_DINODE_MAX_LOG)
-
-/*
- * Inode size for given fs.
- */
-#define XFS_LITINO(mp, version) \
- ((int)(((mp)->m_sb.sb_inodesize) - xfs_dinode_size(version)))
-
-/*
- * Inode data & attribute fork sizes, per inode.
- */
-#define XFS_DFORK_Q(dip) ((dip)->di_forkoff != 0)
-#define XFS_DFORK_BOFF(dip) ((int)((dip)->di_forkoff << 3))
-
-#define XFS_DFORK_DSIZE(dip,mp) \
- (XFS_DFORK_Q(dip) ? \
- XFS_DFORK_BOFF(dip) : \
- XFS_LITINO(mp, (dip)->di_version))
-#define XFS_DFORK_ASIZE(dip,mp) \
- (XFS_DFORK_Q(dip) ? \
- XFS_LITINO(mp, (dip)->di_version) - XFS_DFORK_BOFF(dip) : \
- 0)
-#define XFS_DFORK_SIZE(dip,mp,w) \
- ((w) == XFS_DATA_FORK ? \
- XFS_DFORK_DSIZE(dip, mp) : \
- XFS_DFORK_ASIZE(dip, mp))
-
-/*
- * Return pointers to the data or attribute forks.
- */
-#define XFS_DFORK_DPTR(dip) \
- ((char *)dip + xfs_dinode_size(dip->di_version))
-#define XFS_DFORK_APTR(dip) \
- (XFS_DFORK_DPTR(dip) + XFS_DFORK_BOFF(dip))
-#define XFS_DFORK_PTR(dip,w) \
- ((w) == XFS_DATA_FORK ? XFS_DFORK_DPTR(dip) : XFS_DFORK_APTR(dip))
-
-#define XFS_DFORK_FORMAT(dip,w) \
- ((w) == XFS_DATA_FORK ? \
- (dip)->di_format : \
- (dip)->di_aformat)
-#define XFS_DFORK_NEXTENTS(dip,w) \
- ((w) == XFS_DATA_FORK ? \
- be32_to_cpu((dip)->di_nextents) : \
- be16_to_cpu((dip)->di_anextents))
-
-#define XFS_BUF_TO_DINODE(bp) ((xfs_dinode_t *)((bp)->b_addr))
-
-/*
- * For block and character special files the 32bit dev_t is stored at the
- * beginning of the data fork.
- */
-static inline xfs_dev_t xfs_dinode_get_rdev(struct xfs_dinode *dip)
-{
- return be32_to_cpu(*(__be32 *)XFS_DFORK_DPTR(dip));
-}
-
-static inline void xfs_dinode_put_rdev(struct xfs_dinode *dip, xfs_dev_t rdev)
-{
- *(__be32 *)XFS_DFORK_DPTR(dip) = cpu_to_be32(rdev);
-}
-
-/*
- * Values for di_flags
- * There should be a one-to-one correspondence between these flags and the
- * XFS_XFLAG_s.
- */
-#define XFS_DIFLAG_REALTIME_BIT 0 /* file's blocks come from rt area */
-#define XFS_DIFLAG_PREALLOC_BIT 1 /* file space has been preallocated */
-#define XFS_DIFLAG_NEWRTBM_BIT 2 /* for rtbitmap inode, new format */
-#define XFS_DIFLAG_IMMUTABLE_BIT 3 /* inode is immutable */
-#define XFS_DIFLAG_APPEND_BIT 4 /* inode is append-only */
-#define XFS_DIFLAG_SYNC_BIT 5 /* inode is written synchronously */
-#define XFS_DIFLAG_NOATIME_BIT 6 /* do not update atime */
-#define XFS_DIFLAG_NODUMP_BIT 7 /* do not dump */
-#define XFS_DIFLAG_RTINHERIT_BIT 8 /* create with realtime bit set */
-#define XFS_DIFLAG_PROJINHERIT_BIT 9 /* create with parents projid */
-#define XFS_DIFLAG_NOSYMLINKS_BIT 10 /* disallow symlink creation */
-#define XFS_DIFLAG_EXTSIZE_BIT 11 /* inode extent size allocator hint */
-#define XFS_DIFLAG_EXTSZINHERIT_BIT 12 /* inherit inode extent size */
-#define XFS_DIFLAG_NODEFRAG_BIT 13 /* do not reorganize/defragment */
-#define XFS_DIFLAG_FILESTREAM_BIT 14 /* use filestream allocator */
-#define XFS_DIFLAG_REALTIME (1 << XFS_DIFLAG_REALTIME_BIT)
-#define XFS_DIFLAG_PREALLOC (1 << XFS_DIFLAG_PREALLOC_BIT)
-#define XFS_DIFLAG_NEWRTBM (1 << XFS_DIFLAG_NEWRTBM_BIT)
-#define XFS_DIFLAG_IMMUTABLE (1 << XFS_DIFLAG_IMMUTABLE_BIT)
-#define XFS_DIFLAG_APPEND (1 << XFS_DIFLAG_APPEND_BIT)
-#define XFS_DIFLAG_SYNC (1 << XFS_DIFLAG_SYNC_BIT)
-#define XFS_DIFLAG_NOATIME (1 << XFS_DIFLAG_NOATIME_BIT)
-#define XFS_DIFLAG_NODUMP (1 << XFS_DIFLAG_NODUMP_BIT)
-#define XFS_DIFLAG_RTINHERIT (1 << XFS_DIFLAG_RTINHERIT_BIT)
-#define XFS_DIFLAG_PROJINHERIT (1 << XFS_DIFLAG_PROJINHERIT_BIT)
-#define XFS_DIFLAG_NOSYMLINKS (1 << XFS_DIFLAG_NOSYMLINKS_BIT)
-#define XFS_DIFLAG_EXTSIZE (1 << XFS_DIFLAG_EXTSIZE_BIT)
-#define XFS_DIFLAG_EXTSZINHERIT (1 << XFS_DIFLAG_EXTSZINHERIT_BIT)
-#define XFS_DIFLAG_NODEFRAG (1 << XFS_DIFLAG_NODEFRAG_BIT)
-#define XFS_DIFLAG_FILESTREAM (1 << XFS_DIFLAG_FILESTREAM_BIT)
-
-#ifdef CONFIG_XFS_RT
-#define XFS_IS_REALTIME_INODE(ip) ((ip)->i_d.di_flags & XFS_DIFLAG_REALTIME)
-#else
-#define XFS_IS_REALTIME_INODE(ip) (0)
-#endif
-
-#define XFS_DIFLAG_ANY \
- (XFS_DIFLAG_REALTIME | XFS_DIFLAG_PREALLOC | XFS_DIFLAG_NEWRTBM | \
- XFS_DIFLAG_IMMUTABLE | XFS_DIFLAG_APPEND | XFS_DIFLAG_SYNC | \
- XFS_DIFLAG_NOATIME | XFS_DIFLAG_NODUMP | XFS_DIFLAG_RTINHERIT | \
- XFS_DIFLAG_PROJINHERIT | XFS_DIFLAG_NOSYMLINKS | XFS_DIFLAG_EXTSIZE | \
- XFS_DIFLAG_EXTSZINHERIT | XFS_DIFLAG_NODEFRAG | XFS_DIFLAG_FILESTREAM)
-
-#endif /* __XFS_DINODE_H__ */
* structure if appropriate for the given operation and filesystem config.
*/
const unsigned char xfs_mode_to_ftype[S_IFMT >> S_SHIFT] = {
- [0] = XFS_DIR3_FT_UNKNOWN,
- [S_IFREG >> S_SHIFT] = XFS_DIR3_FT_REG_FILE,
- [S_IFDIR >> S_SHIFT] = XFS_DIR3_FT_DIR,
- [S_IFCHR >> S_SHIFT] = XFS_DIR3_FT_CHRDEV,
- [S_IFBLK >> S_SHIFT] = XFS_DIR3_FT_BLKDEV,
- [S_IFIFO >> S_SHIFT] = XFS_DIR3_FT_FIFO,
- [S_IFSOCK >> S_SHIFT] = XFS_DIR3_FT_SOCK,
- [S_IFLNK >> S_SHIFT] = XFS_DIR3_FT_SYMLINK,
+ [0] = XFS_DIR3_FT_UNKNOWN,
+ [S_IFREG >> S_SHIFT] = XFS_DIR3_FT_REG_FILE,
+ [S_IFDIR >> S_SHIFT] = XFS_DIR3_FT_DIR,
+ [S_IFCHR >> S_SHIFT] = XFS_DIR3_FT_CHRDEV,
+ [S_IFBLK >> S_SHIFT] = XFS_DIR3_FT_BLKDEV,
+ [S_IFIFO >> S_SHIFT] = XFS_DIR3_FT_FIFO,
+ [S_IFSOCK >> S_SHIFT] = XFS_DIR3_FT_SOCK,
+ [S_IFLNK >> S_SHIFT] = XFS_DIR3_FT_SYMLINK,
};
-
/*
* ASCII case-insensitive (ie. A-Z) support for directories that was
* used in IRIX.
}
/*
- Enter a name in a directory.
+ * Enter a name in a directory, or check for available space.
+ * If inum is 0, only the available space test is performed.
*/
int
xfs_dir_createname(
int v; /* type-checking value */
ASSERT(S_ISDIR(dp->i_d.di_mode));
- rval = xfs_dir_ino_validate(tp->t_mountp, inum);
- if (rval)
- return rval;
- XFS_STATS_INC(xs_dir_create);
+ if (inum) {
+ rval = xfs_dir_ino_validate(tp->t_mountp, inum);
+ if (rval)
+ return rval;
+ XFS_STATS_INC(xs_dir_create);
+ }
args = kmem_zalloc(sizeof(*args), KM_SLEEP | KM_NOFS);
if (!args)
args->whichfork = XFS_DATA_FORK;
args->trans = tp;
args->op_flags = XFS_DA_OP_ADDNAME | XFS_DA_OP_OKNOENT;
+ if (!inum)
+ args->op_flags |= XFS_DA_OP_JUSTCHECK;
if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) {
rval = xfs_dir2_sf_addname(args);
/*
* See if this entry can be added to the directory without allocating space.
- * First checks that the caller couldn't reserve enough space (resblks = 0).
*/
int
xfs_dir_canenter(
xfs_trans_t *tp,
xfs_inode_t *dp,
- struct xfs_name *name, /* name of entry to add */
- uint resblks)
+ struct xfs_name *name) /* name of entry to add */
{
- struct xfs_da_args *args;
- int rval;
- int v; /* type-checking value */
-
- if (resblks)
- return 0;
-
- ASSERT(S_ISDIR(dp->i_d.di_mode));
-
- args = kmem_zalloc(sizeof(*args), KM_SLEEP | KM_NOFS);
- if (!args)
- return -ENOMEM;
-
- args->geo = dp->i_mount->m_dir_geo;
- args->name = name->name;
- args->namelen = name->len;
- args->filetype = name->type;
- args->hashval = dp->i_mount->m_dirnameops->hashname(name);
- args->dp = dp;
- args->whichfork = XFS_DATA_FORK;
- args->trans = tp;
- args->op_flags = XFS_DA_OP_JUSTCHECK | XFS_DA_OP_ADDNAME |
- XFS_DA_OP_OKNOENT;
-
- if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) {
- rval = xfs_dir2_sf_addname(args);
- goto out_free;
- }
-
- rval = xfs_dir2_isblock(args, &v);
- if (rval)
- goto out_free;
- if (v) {
- rval = xfs_dir2_block_addname(args);
- goto out_free;
- }
-
- rval = xfs_dir2_isleaf(args, &v);
- if (rval)
- goto out_free;
- if (v)
- rval = xfs_dir2_leaf_addname(args);
- else
- rval = xfs_dir2_node_addname(args);
-out_free:
- kmem_free(args);
- return rval;
+ return xfs_dir_createname(tp, dp, name, 0, NULL, NULL, 0);
}
/*
xfs_fsblock_t *first,
struct xfs_bmap_free *flist, xfs_extlen_t tot);
extern int xfs_dir_canenter(struct xfs_trans *tp, struct xfs_inode *dp,
- struct xfs_name *name, uint resblks);
+ struct xfs_name *name);
/*
* Direct call from the bmap code, bypassing the generic directory layer.
int low; /* low index for binary srch */
int lowstale; /* low stale index */
int mid=0; /* midpoint for binary srch */
- xfs_mount_t *mp; /* filesystem mount point */
int needlog; /* need to log header */
int needscan; /* need to rescan freespace */
__be16 *tagp; /* pointer to tag value */
dp = args->dp;
tp = args->trans;
- mp = dp->i_mount;
/* Read the (one and only) directory block into bp. */
error = xfs_dir3_block_read(tp, dp, &bp);
xfs_inode_t *dp; /* incore inode */
int ent; /* entry index */
int error; /* error return value */
- xfs_mount_t *mp; /* filesystem mount point */
trace_xfs_dir2_block_lookup(args);
if ((error = xfs_dir2_block_lookup_int(args, &bp, &ent)))
return error;
dp = args->dp;
- mp = dp->i_mount;
hdr = bp->b_addr;
xfs_dir3_data_check(dp, bp);
btp = xfs_dir2_block_tail_p(args->geo, hdr);
xfs_inode_t *dp; /* incore inode */
int ent; /* block leaf entry index */
int error; /* error return value */
- xfs_mount_t *mp; /* filesystem mount point */
int needlog; /* need to log block header */
int needscan; /* need to fixup bestfree */
xfs_dir2_sf_hdr_t sfh; /* shortform header */
}
dp = args->dp;
tp = args->trans;
- mp = dp->i_mount;
hdr = bp->b_addr;
btp = xfs_dir2_block_tail_p(args->geo, hdr);
blp = xfs_dir2_block_leaf_p(btp);
xfs_inode_t *dp; /* incore inode */
int ent; /* leaf entry index */
int error; /* error return value */
- xfs_mount_t *mp; /* filesystem mount point */
trace_xfs_dir2_block_replace(args);
return error;
}
dp = args->dp;
- mp = dp->i_mount;
hdr = bp->b_addr;
btp = xfs_dir2_block_tail_p(args->geo, hdr);
blp = xfs_dir2_block_leaf_p(btp);
xfs_dir2_db_t ldb; /* leaf block's bno */
xfs_dir2_leaf_t *leaf; /* leaf structure */
xfs_dir2_leaf_tail_t *ltp; /* leaf's tail */
- xfs_mount_t *mp; /* filesystem mount point */
int needlog; /* need to log block header */
int needscan; /* need to rescan bestfree */
xfs_trans_t *tp; /* transaction pointer */
trace_xfs_dir2_block_to_leaf(args);
dp = args->dp;
- mp = dp->i_mount;
tp = args->trans;
/*
* Add the leaf block to the inode.
int lfloghigh; /* high leaf logging index */
int lowstale; /* index of prev stale leaf */
xfs_dir2_leaf_tail_t *ltp; /* leaf tail pointer */
- xfs_mount_t *mp; /* filesystem mount point */
int needbytes; /* leaf block bytes needed */
int needlog; /* need to log data header */
int needscan; /* need to rescan data free */
dp = args->dp;
tp = args->trans;
- mp = dp->i_mount;
error = xfs_dir3_leaf_read(tp, dp, args->geo->leafblk, -1, &lbp);
if (error)
xfs_dir2_leaf_t *leaf; /* leaf structure */
xfs_dir2_leaf_entry_t *lep; /* leaf entry */
xfs_dir2_leaf_tail_t *ltp; /* leaf tail structure */
- xfs_mount_t *mp; /* filesystem mount point */
int needlog; /* need to log data header */
int needscan; /* need to rescan data frees */
xfs_dir2_data_off_t oldbest; /* old value of best free */
- xfs_trans_t *tp; /* transaction pointer */
struct xfs_dir2_data_free *bf; /* bestfree table */
struct xfs_dir2_leaf_entry *ents;
struct xfs_dir3_icleaf_hdr leafhdr;
return error;
}
dp = args->dp;
- tp = args->trans;
- mp = dp->i_mount;
leaf = lbp->b_addr;
hdr = dbp->b_addr;
xfs_dir3_data_check(dp, dbp);
int error; /* error return value */
xfs_dir2_leaf_t *leaf; /* leaf structure */
xfs_dir2_leaf_tail_t *ltp; /* leaf tail structure */
- xfs_mount_t *mp; /* filesystem mount point */
xfs_trans_t *tp; /* transaction pointer */
dp = args->dp;
- mp = dp->i_mount;
tp = args->trans;
/*
* Read the offending data block. We need its buffer.
int i; /* leaf freespace index */
xfs_dir2_leaf_t *leaf; /* leaf structure */
xfs_dir2_leaf_tail_t *ltp; /* leaf tail structure */
- xfs_mount_t *mp; /* filesystem mount point */
int n; /* count of live freespc ents */
xfs_dir2_data_off_t off; /* freespace entry value */
__be16 *to; /* pointer to freespace entry */
trace_xfs_dir2_leaf_to_node(args);
dp = args->dp;
- mp = dp->i_mount;
tp = args->trans;
/*
* Add a freespace block to the directory.
int lfloghigh; /* high leaf entry logging */
int lfloglow; /* low leaf entry logging */
int lowstale; /* previous stale entry */
- xfs_mount_t *mp; /* filesystem mount point */
- xfs_trans_t *tp; /* transaction pointer */
struct xfs_dir3_icleaf_hdr leafhdr;
struct xfs_dir2_leaf_entry *ents;
trace_xfs_dir2_leafn_add(args, index);
dp = args->dp;
- mp = dp->i_mount;
- tp = args->trans;
leaf = bp->b_addr;
dp->d_ops->leaf_hdr_from_disk(&leafhdr, leaf);
ents = dp->d_ops->leaf_ents_p(leaf);
xfs_dir2_leaf_entry_t *lep; /* leaf entry */
int longest; /* longest data free entry */
int off; /* data block entry offset */
- xfs_mount_t *mp; /* filesystem mount point */
int needlog; /* need to log data header */
int needscan; /* need to rescan data frees */
xfs_trans_t *tp; /* transaction pointer */
dp = args->dp;
tp = args->trans;
- mp = dp->i_mount;
leaf = bp->b_addr;
dp->d_ops->leaf_hdr_from_disk(&leafhdr, leaf);
ents = dp->d_ops->leaf_ents_p(leaf);
xfs_da_args_t *args; /* operation arguments */
xfs_dablk_t blkno; /* new leaf block number */
int error; /* error return value */
- xfs_mount_t *mp; /* filesystem mount point */
struct xfs_inode *dp;
/*
*/
args = state->args;
dp = args->dp;
- mp = dp->i_mount;
ASSERT(oldblk->magic == XFS_DIR2_LEAFN_MAGIC);
error = xfs_da_grow_inode(args, &blkno);
if (error) {
xfs_inode_t *dp; /* incore directory inode */
int error; /* error return code */
xfs_dir2_free_t *free; /* freespace structure */
- xfs_mount_t *mp; /* filesystem mount point */
xfs_trans_t *tp; /* transaction pointer */
struct xfs_dir3_icfree_hdr freehdr;
dp = args->dp;
- mp = dp->i_mount;
tp = args->trans;
/*
* Read the freespace block.
struct dir_context;
-
/* xfs_dir2.c */
extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space,
xfs_dir2_db_t *dbp);
extern int xfs_dir_cilookup_result(struct xfs_da_args *args,
const unsigned char *name, int len);
-#define S_SHIFT 12
-extern const unsigned char xfs_mode_to_ftype[];
-
-extern unsigned char xfs_dir3_get_dtype(struct xfs_mount *mp,
- __uint8_t filetype);
-
/* xfs_dir2_block.c */
extern int xfs_dir3_block_read(struct xfs_trans *tp, struct xfs_inode *dp,
#else
#define xfs_dir2_sf_check(args)
#endif /* DEBUG */
-#if XFS_BIG_INUMS
+
static void xfs_dir2_sf_toino4(xfs_da_args_t *args);
static void xfs_dir2_sf_toino8(xfs_da_args_t *args);
-#endif /* XFS_BIG_INUMS */
/*
* Given a block directory (dp/block), calculate its size as a shortform (sf)
isdotdot =
dep->namelen == 2 &&
dep->name[0] == '.' && dep->name[1] == '.';
-#if XFS_BIG_INUMS
+
if (!isdot)
i8count += be64_to_cpu(dep->inumber) > XFS_DIR2_MAX_SHORT_INUM;
-#endif
+
/* take into account the file type field */
if (!isdot && !isdotdot) {
count++;
*/
incr_isize = dp->d_ops->sf_entsize(sfp, args->namelen);
objchange = 0;
-#if XFS_BIG_INUMS
+
/*
* Do we have to change to 8 byte inodes?
*/
(uint)sizeof(xfs_dir2_ino4_t));
objchange = 1;
}
-#endif
+
new_isize = (int)dp->i_d.di_size + incr_isize;
/*
* Won't fit as shortform any more (due to size),
*/
else {
ASSERT(pick == 2);
-#if XFS_BIG_INUMS
if (objchange)
xfs_dir2_sf_toino8(args);
-#endif
xfs_dir2_sf_addname_hard(args, objchange, new_isize);
}
xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE | XFS_ILOG_DDATA);
* Update the header and inode.
*/
sfp->count++;
-#if XFS_BIG_INUMS
if (args->inumber > XFS_DIR2_MAX_SHORT_INUM)
sfp->i8count++;
-#endif
dp->i_d.di_size = new_isize;
xfs_dir2_sf_check(args);
}
xfs_dir2_sf_hdr_t *oldsfp; /* original shortform dir */
xfs_dir2_sf_entry_t *sfep; /* entry in new dir */
xfs_dir2_sf_hdr_t *sfp; /* new shortform dir */
- struct xfs_mount *mp;
/*
* Copy the old directory to the stack buffer.
*/
dp = args->dp;
- mp = dp->i_mount;
sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data;
old_isize = (int)dp->i_d.di_size;
dp->d_ops->sf_put_ino(sfp, sfep, args->inumber);
dp->d_ops->sf_put_ftype(sfep, args->filetype);
sfp->count++;
-#if XFS_BIG_INUMS
if (args->inumber > XFS_DIR2_MAX_SHORT_INUM && !objchange)
sfp->i8count++;
-#endif
/*
* If there's more left to copy, do that.
*/
xfs_inode_t *dp; /* incore directory inode */
int holefit; /* found hole it will fit in */
int i; /* entry number */
- xfs_mount_t *mp; /* filesystem mount point */
xfs_dir2_data_aoff_t offset; /* data block offset */
xfs_dir2_sf_entry_t *sfep; /* shortform entry */
xfs_dir2_sf_hdr_t *sfp; /* shortform structure */
int used; /* data bytes used */
dp = args->dp;
- mp = dp->i_mount;
sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data;
size = dp->d_ops->data_entsize(args->namelen);
/*
* If changing the inode number size, do it the hard way.
*/
-#if XFS_BIG_INUMS
- if (objchange) {
+ if (objchange)
return 2;
- }
-#else
- ASSERT(objchange == 0);
-#endif
/*
* If it won't fit at the end then do it the hard way (use the hole).
*/
int offset; /* data offset */
xfs_dir2_sf_entry_t *sfep; /* shortform dir entry */
xfs_dir2_sf_hdr_t *sfp; /* shortform structure */
- struct xfs_mount *mp;
dp = args->dp;
- mp = dp->i_mount;
sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data;
offset = dp->d_ops->data_first_offset;
ASSERT(dp->d_ops->sf_get_ftype(sfep) < XFS_DIR3_FT_MAX);
}
ASSERT(i8count == sfp->i8count);
- ASSERT(XFS_BIG_INUMS || i8count == 0);
ASSERT((char *)sfep - (char *)sfp == dp->i_d.di_size);
ASSERT(offset +
(sfp->count + 2) * (uint)sizeof(xfs_dir2_leaf_entry_t) +
*/
xfs_idata_realloc(dp, newsize - oldsize, XFS_DATA_FORK);
sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data;
-#if XFS_BIG_INUMS
/*
* Are we changing inode number size?
*/
else
sfp->i8count--;
}
-#endif
xfs_dir2_sf_check(args);
xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE | XFS_ILOG_DDATA);
return 0;
{
xfs_inode_t *dp; /* incore directory inode */
int i; /* entry index */
-#if XFS_BIG_INUMS || defined(DEBUG)
xfs_ino_t ino=0; /* entry old inode number */
-#endif
-#if XFS_BIG_INUMS
int i8elevated; /* sf_toino8 set i8count=1 */
-#endif
xfs_dir2_sf_entry_t *sfep; /* shortform directory entry */
xfs_dir2_sf_hdr_t *sfp; /* shortform structure */
ASSERT(dp->i_df.if_u1.if_data != NULL);
sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data;
ASSERT(dp->i_d.di_size >= xfs_dir2_sf_hdr_size(sfp->i8count));
-#if XFS_BIG_INUMS
+
/*
* New inode number is large, and need to convert to 8-byte inodes.
*/
sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data;
} else
i8elevated = 0;
-#endif
+
ASSERT(args->namelen != 1 || args->name[0] != '.');
/*
* Replace ..'s entry.
*/
if (args->namelen == 2 &&
args->name[0] == '.' && args->name[1] == '.') {
-#if XFS_BIG_INUMS || defined(DEBUG)
ino = dp->d_ops->sf_get_parent_ino(sfp);
ASSERT(args->inumber != ino);
-#endif
dp->d_ops->sf_put_parent_ino(sfp, args->inumber);
}
/*
i++, sfep = dp->d_ops->sf_nextentry(sfp, sfep)) {
if (xfs_da_compname(args, sfep->name, sfep->namelen) ==
XFS_CMP_EXACT) {
-#if XFS_BIG_INUMS || defined(DEBUG)
ino = dp->d_ops->sf_get_ino(sfp, sfep);
ASSERT(args->inumber != ino);
-#endif
dp->d_ops->sf_put_ino(sfp, sfep, args->inumber);
dp->d_ops->sf_put_ftype(sfep, args->filetype);
break;
*/
if (i == sfp->count) {
ASSERT(args->op_flags & XFS_DA_OP_OKNOENT);
-#if XFS_BIG_INUMS
if (i8elevated)
xfs_dir2_sf_toino4(args);
-#endif
return -ENOENT;
}
}
-#if XFS_BIG_INUMS
/*
* See if the old number was large, the new number is small.
*/
if (!i8elevated)
sfp->i8count++;
}
-#endif
xfs_dir2_sf_check(args);
xfs_trans_log_inode(args->trans, dp, XFS_ILOG_DDATA);
return 0;
}
-#if XFS_BIG_INUMS
/*
* Convert from 8-byte inode numbers to 4-byte inode numbers.
* The last 8-byte inode number is gone, but the count is still 1.
int oldsize; /* old inode size */
xfs_dir2_sf_entry_t *sfep; /* new sf entry */
xfs_dir2_sf_hdr_t *sfp; /* new sf directory */
- struct xfs_mount *mp;
trace_xfs_dir2_sf_toino4(args);
dp = args->dp;
- mp = dp->i_mount;
/*
* Copy the old directory to the buffer.
int oldsize; /* old inode size */
xfs_dir2_sf_entry_t *sfep; /* new sf entry */
xfs_dir2_sf_hdr_t *sfp; /* new sf directory */
- struct xfs_mount *mp;
trace_xfs_dir2_sf_toino8(args);
dp = args->dp;
- mp = dp->i_mount;
/*
* Copy the old directory to the buffer.
dp->i_d.di_size = newsize;
xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE | XFS_ILOG_DDATA);
}
-#endif /* XFS_BIG_INUMS */
struct xfs_buf;
struct xfs_ifork;
+/*
+ * Super block
+ * Fits into a sector-sized buffer at address 0 of each allocation group.
+ * Only the first of these is ever updated except during growfs.
+ */
+#define XFS_SB_MAGIC 0x58465342 /* 'XFSB' */
+#define XFS_SB_VERSION_1 1 /* 5.3, 6.0.1, 6.1 */
+#define XFS_SB_VERSION_2 2 /* 6.2 - attributes */
+#define XFS_SB_VERSION_3 3 /* 6.2 - new inode version */
+#define XFS_SB_VERSION_4 4 /* 6.2+ - bitmask version */
+#define XFS_SB_VERSION_5 5 /* CRC enabled filesystem */
+#define XFS_SB_VERSION_NUMBITS 0x000f
+#define XFS_SB_VERSION_ALLFBITS 0xfff0
+#define XFS_SB_VERSION_ATTRBIT 0x0010
+#define XFS_SB_VERSION_NLINKBIT 0x0020
+#define XFS_SB_VERSION_QUOTABIT 0x0040
+#define XFS_SB_VERSION_ALIGNBIT 0x0080
+#define XFS_SB_VERSION_DALIGNBIT 0x0100
+#define XFS_SB_VERSION_SHAREDBIT 0x0200
+#define XFS_SB_VERSION_LOGV2BIT 0x0400
+#define XFS_SB_VERSION_SECTORBIT 0x0800
+#define XFS_SB_VERSION_EXTFLGBIT 0x1000
+#define XFS_SB_VERSION_DIRV2BIT 0x2000
+#define XFS_SB_VERSION_BORGBIT 0x4000 /* ASCII only case-insens. */
+#define XFS_SB_VERSION_MOREBITSBIT 0x8000
+
+/*
+ * Supported feature bit list is just all bits in the versionnum field because
+ * we've used them all up and understand them all. Except, of course, for the
+ * shared superblock bit, which nobody knows what it does and so is unsupported.
+ */
+#define XFS_SB_VERSION_OKBITS \
+ ((XFS_SB_VERSION_NUMBITS | XFS_SB_VERSION_ALLFBITS) & \
+ ~XFS_SB_VERSION_SHAREDBIT)
+
+/*
+ * There are two words to hold XFS "feature" bits: the original
+ * word, sb_versionnum, and sb_features2. Whenever a bit is set in
+ * sb_features2, the feature bit XFS_SB_VERSION_MOREBITSBIT must be set.
+ *
+ * These defines represent bits in sb_features2.
+ */
+#define XFS_SB_VERSION2_RESERVED1BIT 0x00000001
+#define XFS_SB_VERSION2_LAZYSBCOUNTBIT 0x00000002 /* Superblk counters */
+#define XFS_SB_VERSION2_RESERVED4BIT 0x00000004
+#define XFS_SB_VERSION2_ATTR2BIT 0x00000008 /* Inline attr rework */
+#define XFS_SB_VERSION2_PARENTBIT 0x00000010 /* parent pointers */
+#define XFS_SB_VERSION2_PROJID32BIT 0x00000080 /* 32 bit project id */
+#define XFS_SB_VERSION2_CRCBIT 0x00000100 /* metadata CRCs */
+#define XFS_SB_VERSION2_FTYPE 0x00000200 /* inode type in dir */
+
+#define XFS_SB_VERSION2_OKBITS \
+ (XFS_SB_VERSION2_LAZYSBCOUNTBIT | \
+ XFS_SB_VERSION2_ATTR2BIT | \
+ XFS_SB_VERSION2_PROJID32BIT | \
+ XFS_SB_VERSION2_FTYPE)
+
+/*
+ * Superblock - in core version. Must match the ondisk version below.
+ * Must be padded to 64 bit alignment.
+ */
+typedef struct xfs_sb {
+ __uint32_t sb_magicnum; /* magic number == XFS_SB_MAGIC */
+ __uint32_t sb_blocksize; /* logical block size, bytes */
+ xfs_rfsblock_t sb_dblocks; /* number of data blocks */
+ xfs_rfsblock_t sb_rblocks; /* number of realtime blocks */
+ xfs_rtblock_t sb_rextents; /* number of realtime extents */
+ uuid_t sb_uuid; /* file system unique id */
+ xfs_fsblock_t sb_logstart; /* starting block of log if internal */
+ xfs_ino_t sb_rootino; /* root inode number */
+ xfs_ino_t sb_rbmino; /* bitmap inode for realtime extents */
+ xfs_ino_t sb_rsumino; /* summary inode for rt bitmap */
+ xfs_agblock_t sb_rextsize; /* realtime extent size, blocks */
+ xfs_agblock_t sb_agblocks; /* size of an allocation group */
+ xfs_agnumber_t sb_agcount; /* number of allocation groups */
+ xfs_extlen_t sb_rbmblocks; /* number of rt bitmap blocks */
+ xfs_extlen_t sb_logblocks; /* number of log blocks */
+ __uint16_t sb_versionnum; /* header version == XFS_SB_VERSION */
+ __uint16_t sb_sectsize; /* volume sector size, bytes */
+ __uint16_t sb_inodesize; /* inode size, bytes */
+ __uint16_t sb_inopblock; /* inodes per block */
+ char sb_fname[12]; /* file system name */
+ __uint8_t sb_blocklog; /* log2 of sb_blocksize */
+ __uint8_t sb_sectlog; /* log2 of sb_sectsize */
+ __uint8_t sb_inodelog; /* log2 of sb_inodesize */
+ __uint8_t sb_inopblog; /* log2 of sb_inopblock */
+ __uint8_t sb_agblklog; /* log2 of sb_agblocks (rounded up) */
+ __uint8_t sb_rextslog; /* log2 of sb_rextents */
+ __uint8_t sb_inprogress; /* mkfs is in progress, don't mount */
+ __uint8_t sb_imax_pct; /* max % of fs for inode space */
+ /* statistics */
+ /*
+ * These fields must remain contiguous. If you really
+ * want to change their layout, make sure you fix the
+ * code in xfs_trans_apply_sb_deltas().
+ */
+ __uint64_t sb_icount; /* allocated inodes */
+ __uint64_t sb_ifree; /* free inodes */
+ __uint64_t sb_fdblocks; /* free data blocks */
+ __uint64_t sb_frextents; /* free realtime extents */
+ /*
+ * End contiguous fields.
+ */
+ xfs_ino_t sb_uquotino; /* user quota inode */
+ xfs_ino_t sb_gquotino; /* group quota inode */
+ __uint16_t sb_qflags; /* quota flags */
+ __uint8_t sb_flags; /* misc. flags */
+ __uint8_t sb_shared_vn; /* shared version number */
+ xfs_extlen_t sb_inoalignmt; /* inode chunk alignment, fsblocks */
+ __uint32_t sb_unit; /* stripe or raid unit */
+ __uint32_t sb_width; /* stripe or raid width */
+ __uint8_t sb_dirblklog; /* log2 of dir block size (fsbs) */
+ __uint8_t sb_logsectlog; /* log2 of the log sector size */
+ __uint16_t sb_logsectsize; /* sector size for the log, bytes */
+ __uint32_t sb_logsunit; /* stripe unit size for the log */
+ __uint32_t sb_features2; /* additional feature bits */
+
+ /*
+ * bad features2 field as a result of failing to pad the sb
+ * structure to 64 bits. Some machines will be using this field
+ * for features2 bits. Easiest just to mark it bad and not use
+ * it for anything else.
+ */
+ __uint32_t sb_bad_features2;
+
+ /* version 5 superblock fields start here */
+
+ /* feature masks */
+ __uint32_t sb_features_compat;
+ __uint32_t sb_features_ro_compat;
+ __uint32_t sb_features_incompat;
+ __uint32_t sb_features_log_incompat;
+
+ __uint32_t sb_crc; /* superblock crc */
+ __uint32_t sb_pad;
+
+ xfs_ino_t sb_pquotino; /* project quota inode */
+ xfs_lsn_t sb_lsn; /* last write sequence */
+
+ /* must be padded to 64 bit alignment */
+} xfs_sb_t;
+
+#define XFS_SB_CRC_OFF offsetof(struct xfs_sb, sb_crc)
+
+/*
+ * Superblock - on disk version. Must match the in core version above.
+ * Must be padded to 64 bit alignment.
+ */
+typedef struct xfs_dsb {
+ __be32 sb_magicnum; /* magic number == XFS_SB_MAGIC */
+ __be32 sb_blocksize; /* logical block size, bytes */
+ __be64 sb_dblocks; /* number of data blocks */
+ __be64 sb_rblocks; /* number of realtime blocks */
+ __be64 sb_rextents; /* number of realtime extents */
+ uuid_t sb_uuid; /* file system unique id */
+ __be64 sb_logstart; /* starting block of log if internal */
+ __be64 sb_rootino; /* root inode number */
+ __be64 sb_rbmino; /* bitmap inode for realtime extents */
+ __be64 sb_rsumino; /* summary inode for rt bitmap */
+ __be32 sb_rextsize; /* realtime extent size, blocks */
+ __be32 sb_agblocks; /* size of an allocation group */
+ __be32 sb_agcount; /* number of allocation groups */
+ __be32 sb_rbmblocks; /* number of rt bitmap blocks */
+ __be32 sb_logblocks; /* number of log blocks */
+ __be16 sb_versionnum; /* header version == XFS_SB_VERSION */
+ __be16 sb_sectsize; /* volume sector size, bytes */
+ __be16 sb_inodesize; /* inode size, bytes */
+ __be16 sb_inopblock; /* inodes per block */
+ char sb_fname[12]; /* file system name */
+ __u8 sb_blocklog; /* log2 of sb_blocksize */
+ __u8 sb_sectlog; /* log2 of sb_sectsize */
+ __u8 sb_inodelog; /* log2 of sb_inodesize */
+ __u8 sb_inopblog; /* log2 of sb_inopblock */
+ __u8 sb_agblklog; /* log2 of sb_agblocks (rounded up) */
+ __u8 sb_rextslog; /* log2 of sb_rextents */
+ __u8 sb_inprogress; /* mkfs is in progress, don't mount */
+ __u8 sb_imax_pct; /* max % of fs for inode space */
+ /* statistics */
+ /*
+ * These fields must remain contiguous. If you really
+ * want to change their layout, make sure you fix the
+ * code in xfs_trans_apply_sb_deltas().
+ */
+ __be64 sb_icount; /* allocated inodes */
+ __be64 sb_ifree; /* free inodes */
+ __be64 sb_fdblocks; /* free data blocks */
+ __be64 sb_frextents; /* free realtime extents */
+ /*
+ * End contiguous fields.
+ */
+ __be64 sb_uquotino; /* user quota inode */
+ __be64 sb_gquotino; /* group quota inode */
+ __be16 sb_qflags; /* quota flags */
+ __u8 sb_flags; /* misc. flags */
+ __u8 sb_shared_vn; /* shared version number */
+ __be32 sb_inoalignmt; /* inode chunk alignment, fsblocks */
+ __be32 sb_unit; /* stripe or raid unit */
+ __be32 sb_width; /* stripe or raid width */
+ __u8 sb_dirblklog; /* log2 of dir block size (fsbs) */
+ __u8 sb_logsectlog; /* log2 of the log sector size */
+ __be16 sb_logsectsize; /* sector size for the log, bytes */
+ __be32 sb_logsunit; /* stripe unit size for the log */
+ __be32 sb_features2; /* additional feature bits */
+ /*
+ * bad features2 field as a result of failing to pad the sb
+ * structure to 64 bits. Some machines will be using this field
+ * for features2 bits. Easiest just to mark it bad and not use
+ * it for anything else.
+ */
+ __be32 sb_bad_features2;
+
+ /* version 5 superblock fields start here */
+
+ /* feature masks */
+ __be32 sb_features_compat;
+ __be32 sb_features_ro_compat;
+ __be32 sb_features_incompat;
+ __be32 sb_features_log_incompat;
+
+ __le32 sb_crc; /* superblock crc */
+ __be32 sb_pad;
+
+ __be64 sb_pquotino; /* project quota inode */
+ __be64 sb_lsn; /* last write sequence */
+
+ /* must be padded to 64 bit alignment */
+} xfs_dsb_t;
+
+/*
+ * Sequence number values for the fields.
+ */
+typedef enum {
+ XFS_SBS_MAGICNUM, XFS_SBS_BLOCKSIZE, XFS_SBS_DBLOCKS, XFS_SBS_RBLOCKS,
+ XFS_SBS_REXTENTS, XFS_SBS_UUID, XFS_SBS_LOGSTART, XFS_SBS_ROOTINO,
+ XFS_SBS_RBMINO, XFS_SBS_RSUMINO, XFS_SBS_REXTSIZE, XFS_SBS_AGBLOCKS,
+ XFS_SBS_AGCOUNT, XFS_SBS_RBMBLOCKS, XFS_SBS_LOGBLOCKS,
+ XFS_SBS_VERSIONNUM, XFS_SBS_SECTSIZE, XFS_SBS_INODESIZE,
+ XFS_SBS_INOPBLOCK, XFS_SBS_FNAME, XFS_SBS_BLOCKLOG,
+ XFS_SBS_SECTLOG, XFS_SBS_INODELOG, XFS_SBS_INOPBLOG, XFS_SBS_AGBLKLOG,
+ XFS_SBS_REXTSLOG, XFS_SBS_INPROGRESS, XFS_SBS_IMAX_PCT, XFS_SBS_ICOUNT,
+ XFS_SBS_IFREE, XFS_SBS_FDBLOCKS, XFS_SBS_FREXTENTS, XFS_SBS_UQUOTINO,
+ XFS_SBS_GQUOTINO, XFS_SBS_QFLAGS, XFS_SBS_FLAGS, XFS_SBS_SHARED_VN,
+ XFS_SBS_INOALIGNMT, XFS_SBS_UNIT, XFS_SBS_WIDTH, XFS_SBS_DIRBLKLOG,
+ XFS_SBS_LOGSECTLOG, XFS_SBS_LOGSECTSIZE, XFS_SBS_LOGSUNIT,
+ XFS_SBS_FEATURES2, XFS_SBS_BAD_FEATURES2, XFS_SBS_FEATURES_COMPAT,
+ XFS_SBS_FEATURES_RO_COMPAT, XFS_SBS_FEATURES_INCOMPAT,
+ XFS_SBS_FEATURES_LOG_INCOMPAT, XFS_SBS_CRC, XFS_SBS_PAD,
+ XFS_SBS_PQUOTINO, XFS_SBS_LSN,
+ XFS_SBS_FIELDCOUNT
+} xfs_sb_field_t;
+
+/*
+ * Mask values, defined based on the xfs_sb_field_t values.
+ * Only define the ones we're using.
+ */
+#define XFS_SB_MVAL(x) (1LL << XFS_SBS_ ## x)
+#define XFS_SB_UUID XFS_SB_MVAL(UUID)
+#define XFS_SB_FNAME XFS_SB_MVAL(FNAME)
+#define XFS_SB_ROOTINO XFS_SB_MVAL(ROOTINO)
+#define XFS_SB_RBMINO XFS_SB_MVAL(RBMINO)
+#define XFS_SB_RSUMINO XFS_SB_MVAL(RSUMINO)
+#define XFS_SB_VERSIONNUM XFS_SB_MVAL(VERSIONNUM)
+#define XFS_SB_UQUOTINO XFS_SB_MVAL(UQUOTINO)
+#define XFS_SB_GQUOTINO XFS_SB_MVAL(GQUOTINO)
+#define XFS_SB_QFLAGS XFS_SB_MVAL(QFLAGS)
+#define XFS_SB_SHARED_VN XFS_SB_MVAL(SHARED_VN)
+#define XFS_SB_UNIT XFS_SB_MVAL(UNIT)
+#define XFS_SB_WIDTH XFS_SB_MVAL(WIDTH)
+#define XFS_SB_ICOUNT XFS_SB_MVAL(ICOUNT)
+#define XFS_SB_IFREE XFS_SB_MVAL(IFREE)
+#define XFS_SB_FDBLOCKS XFS_SB_MVAL(FDBLOCKS)
+#define XFS_SB_FEATURES2 XFS_SB_MVAL(FEATURES2)
+#define XFS_SB_BAD_FEATURES2 XFS_SB_MVAL(BAD_FEATURES2)
+#define XFS_SB_FEATURES_COMPAT XFS_SB_MVAL(FEATURES_COMPAT)
+#define XFS_SB_FEATURES_RO_COMPAT XFS_SB_MVAL(FEATURES_RO_COMPAT)
+#define XFS_SB_FEATURES_INCOMPAT XFS_SB_MVAL(FEATURES_INCOMPAT)
+#define XFS_SB_FEATURES_LOG_INCOMPAT XFS_SB_MVAL(FEATURES_LOG_INCOMPAT)
+#define XFS_SB_CRC XFS_SB_MVAL(CRC)
+#define XFS_SB_PQUOTINO XFS_SB_MVAL(PQUOTINO)
+#define XFS_SB_NUM_BITS ((int)XFS_SBS_FIELDCOUNT)
+#define XFS_SB_ALL_BITS ((1LL << XFS_SB_NUM_BITS) - 1)
+#define XFS_SB_MOD_BITS \
+ (XFS_SB_UUID | XFS_SB_ROOTINO | XFS_SB_RBMINO | XFS_SB_RSUMINO | \
+ XFS_SB_VERSIONNUM | XFS_SB_UQUOTINO | XFS_SB_GQUOTINO | \
+ XFS_SB_QFLAGS | XFS_SB_SHARED_VN | XFS_SB_UNIT | XFS_SB_WIDTH | \
+ XFS_SB_ICOUNT | XFS_SB_IFREE | XFS_SB_FDBLOCKS | XFS_SB_FEATURES2 | \
+ XFS_SB_BAD_FEATURES2 | XFS_SB_FEATURES_COMPAT | \
+ XFS_SB_FEATURES_RO_COMPAT | XFS_SB_FEATURES_INCOMPAT | \
+ XFS_SB_FEATURES_LOG_INCOMPAT | XFS_SB_PQUOTINO)
+
+
+/*
+ * Misc. Flags - warning - these will be cleared by xfs_repair unless
+ * a feature bit is set when the flag is used.
+ */
+#define XFS_SBF_NOFLAGS 0x00 /* no flags set */
+#define XFS_SBF_READONLY 0x01 /* only read-only mounts allowed */
+
+/*
+ * define max. shared version we can interoperate with
+ */
+#define XFS_SB_MAX_SHARED_VN 0
+
+#define XFS_SB_VERSION_NUM(sbp) ((sbp)->sb_versionnum & XFS_SB_VERSION_NUMBITS)
+
+/*
+ * The first XFS version we support is a v4 superblock with V2 directories.
+ */
+static inline bool xfs_sb_good_v4_features(struct xfs_sb *sbp)
+{
+ if (!(sbp->sb_versionnum & XFS_SB_VERSION_DIRV2BIT))
+ return false;
+
+ /* check for unknown features in the fs */
+ if ((sbp->sb_versionnum & ~XFS_SB_VERSION_OKBITS) ||
+ ((sbp->sb_versionnum & XFS_SB_VERSION_MOREBITSBIT) &&
+ (sbp->sb_features2 & ~XFS_SB_VERSION2_OKBITS)))
+ return false;
+
+ return true;
+}
+
+static inline bool xfs_sb_good_version(struct xfs_sb *sbp)
+{
+ if (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5)
+ return true;
+ if (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4)
+ return xfs_sb_good_v4_features(sbp);
+ return false;
+}
+
+/*
+ * Detect a mismatched features2 field. Older kernels read/wrote
+ * this into the wrong slot, so to be safe we keep them in sync.
+ */
+static inline bool xfs_sb_has_mismatched_features2(struct xfs_sb *sbp)
+{
+ return sbp->sb_bad_features2 != sbp->sb_features2;
+}
+
+static inline bool xfs_sb_version_hasattr(struct xfs_sb *sbp)
+{
+ return (sbp->sb_versionnum & XFS_SB_VERSION_ATTRBIT);
+}
+
+static inline void xfs_sb_version_addattr(struct xfs_sb *sbp)
+{
+ sbp->sb_versionnum |= XFS_SB_VERSION_ATTRBIT;
+}
+
+static inline bool xfs_sb_version_hasquota(struct xfs_sb *sbp)
+{
+ return (sbp->sb_versionnum & XFS_SB_VERSION_QUOTABIT);
+}
+
+static inline void xfs_sb_version_addquota(struct xfs_sb *sbp)
+{
+ sbp->sb_versionnum |= XFS_SB_VERSION_QUOTABIT;
+}
+
+static inline bool xfs_sb_version_hasalign(struct xfs_sb *sbp)
+{
+ return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 ||
+ (sbp->sb_versionnum & XFS_SB_VERSION_ALIGNBIT));
+}
+
+static inline bool xfs_sb_version_hasdalign(struct xfs_sb *sbp)
+{
+ return (sbp->sb_versionnum & XFS_SB_VERSION_DALIGNBIT);
+}
+
+static inline bool xfs_sb_version_haslogv2(struct xfs_sb *sbp)
+{
+ return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 ||
+ (sbp->sb_versionnum & XFS_SB_VERSION_LOGV2BIT);
+}
+
+static inline bool xfs_sb_version_hasextflgbit(struct xfs_sb *sbp)
+{
+ return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 ||
+ (sbp->sb_versionnum & XFS_SB_VERSION_EXTFLGBIT);
+}
+
+static inline bool xfs_sb_version_hassector(struct xfs_sb *sbp)
+{
+ return (sbp->sb_versionnum & XFS_SB_VERSION_SECTORBIT);
+}
+
+static inline bool xfs_sb_version_hasasciici(struct xfs_sb *sbp)
+{
+ return (sbp->sb_versionnum & XFS_SB_VERSION_BORGBIT);
+}
+
+static inline bool xfs_sb_version_hasmorebits(struct xfs_sb *sbp)
+{
+ return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 ||
+ (sbp->sb_versionnum & XFS_SB_VERSION_MOREBITSBIT);
+}
+
+/*
+ * sb_features2 bit version macros.
+ */
+static inline bool xfs_sb_version_haslazysbcount(struct xfs_sb *sbp)
+{
+ return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) ||
+ (xfs_sb_version_hasmorebits(sbp) &&
+ (sbp->sb_features2 & XFS_SB_VERSION2_LAZYSBCOUNTBIT));
+}
+
+static inline bool xfs_sb_version_hasattr2(struct xfs_sb *sbp)
+{
+ return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) ||
+ (xfs_sb_version_hasmorebits(sbp) &&
+ (sbp->sb_features2 & XFS_SB_VERSION2_ATTR2BIT));
+}
+
+static inline void xfs_sb_version_addattr2(struct xfs_sb *sbp)
+{
+ sbp->sb_versionnum |= XFS_SB_VERSION_MOREBITSBIT;
+ sbp->sb_features2 |= XFS_SB_VERSION2_ATTR2BIT;
+ sbp->sb_bad_features2 |= XFS_SB_VERSION2_ATTR2BIT;
+}
+
+static inline void xfs_sb_version_removeattr2(struct xfs_sb *sbp)
+{
+ sbp->sb_features2 &= ~XFS_SB_VERSION2_ATTR2BIT;
+ sbp->sb_bad_features2 &= ~XFS_SB_VERSION2_ATTR2BIT;
+ if (!sbp->sb_features2)
+ sbp->sb_versionnum &= ~XFS_SB_VERSION_MOREBITSBIT;
+}
+
+static inline bool xfs_sb_version_hasprojid32bit(struct xfs_sb *sbp)
+{
+ return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) ||
+ (xfs_sb_version_hasmorebits(sbp) &&
+ (sbp->sb_features2 & XFS_SB_VERSION2_PROJID32BIT));
+}
+
+static inline void xfs_sb_version_addprojid32bit(struct xfs_sb *sbp)
+{
+ sbp->sb_versionnum |= XFS_SB_VERSION_MOREBITSBIT;
+ sbp->sb_features2 |= XFS_SB_VERSION2_PROJID32BIT;
+ sbp->sb_bad_features2 |= XFS_SB_VERSION2_PROJID32BIT;
+}
+
+/*
+ * Extended v5 superblock feature masks. These are to be used for new v5
+ * superblock features only.
+ *
+ * Compat features are new features that old kernels will not notice or affect
+ * and so can mount read-write without issues.
+ *
+ * RO-Compat (read only) are features that old kernels can read but will break
+ * if they write. Hence only read-only mounts of such filesystems are allowed on
+ * kernels that don't support the feature bit.
+ *
+ * InCompat features are features which old kernels will not understand and so
+ * must not mount.
+ *
+ * Log-InCompat features are for changes to log formats or new transactions that
+ * can't be replayed on older kernels. The fields are set when the filesystem is
+ * mounted, and a clean unmount clears the fields.
+ */
+#define XFS_SB_FEAT_COMPAT_ALL 0
+#define XFS_SB_FEAT_COMPAT_UNKNOWN ~XFS_SB_FEAT_COMPAT_ALL
+static inline bool
+xfs_sb_has_compat_feature(
+ struct xfs_sb *sbp,
+ __uint32_t feature)
+{
+ return (sbp->sb_features_compat & feature) != 0;
+}
+
+#define XFS_SB_FEAT_RO_COMPAT_FINOBT (1 << 0) /* free inode btree */
+#define XFS_SB_FEAT_RO_COMPAT_ALL \
+ (XFS_SB_FEAT_RO_COMPAT_FINOBT)
+#define XFS_SB_FEAT_RO_COMPAT_UNKNOWN ~XFS_SB_FEAT_RO_COMPAT_ALL
+static inline bool
+xfs_sb_has_ro_compat_feature(
+ struct xfs_sb *sbp,
+ __uint32_t feature)
+{
+ return (sbp->sb_features_ro_compat & feature) != 0;
+}
+
+#define XFS_SB_FEAT_INCOMPAT_FTYPE (1 << 0) /* filetype in dirent */
+#define XFS_SB_FEAT_INCOMPAT_ALL \
+ (XFS_SB_FEAT_INCOMPAT_FTYPE)
+
+#define XFS_SB_FEAT_INCOMPAT_UNKNOWN ~XFS_SB_FEAT_INCOMPAT_ALL
+static inline bool
+xfs_sb_has_incompat_feature(
+ struct xfs_sb *sbp,
+ __uint32_t feature)
+{
+ return (sbp->sb_features_incompat & feature) != 0;
+}
+
+#define XFS_SB_FEAT_INCOMPAT_LOG_ALL 0
+#define XFS_SB_FEAT_INCOMPAT_LOG_UNKNOWN ~XFS_SB_FEAT_INCOMPAT_LOG_ALL
+static inline bool
+xfs_sb_has_incompat_log_feature(
+ struct xfs_sb *sbp,
+ __uint32_t feature)
+{
+ return (sbp->sb_features_log_incompat & feature) != 0;
+}
+
+/*
+ * V5 superblock specific feature checks
+ */
+static inline int xfs_sb_version_hascrc(struct xfs_sb *sbp)
+{
+ return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5;
+}
+
+static inline int xfs_sb_version_has_pquotino(struct xfs_sb *sbp)
+{
+ return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5;
+}
+
+static inline int xfs_sb_version_hasftype(struct xfs_sb *sbp)
+{
+ return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 &&
+ xfs_sb_has_incompat_feature(sbp, XFS_SB_FEAT_INCOMPAT_FTYPE)) ||
+ (xfs_sb_version_hasmorebits(sbp) &&
+ (sbp->sb_features2 & XFS_SB_VERSION2_FTYPE));
+}
+
+static inline int xfs_sb_version_hasfinobt(xfs_sb_t *sbp)
+{
+ return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) &&
+ (sbp->sb_features_ro_compat & XFS_SB_FEAT_RO_COMPAT_FINOBT);
+}
+
+/*
+ * end of superblock version macros
+ */
+
+static inline bool
+xfs_is_quota_inode(struct xfs_sb *sbp, xfs_ino_t ino)
+{
+ return (ino == sbp->sb_uquotino ||
+ ino == sbp->sb_gquotino ||
+ ino == sbp->sb_pquotino);
+}
+
+#define XFS_SB_DADDR ((xfs_daddr_t)0) /* daddr in filesystem/ag */
+#define XFS_SB_BLOCK(mp) XFS_HDR_BLOCK(mp, XFS_SB_DADDR)
+#define XFS_BUF_TO_SBP(bp) ((xfs_dsb_t *)((bp)->b_addr))
+
+#define XFS_HDR_BLOCK(mp,d) ((xfs_agblock_t)XFS_BB_TO_FSBT(mp,d))
+#define XFS_DADDR_TO_FSB(mp,d) XFS_AGB_TO_FSB(mp, \
+ xfs_daddr_to_agno(mp,d), xfs_daddr_to_agbno(mp,d))
+#define XFS_FSB_TO_DADDR(mp,fsbno) XFS_AGB_TO_DADDR(mp, \
+ XFS_FSB_TO_AGNO(mp,fsbno), XFS_FSB_TO_AGBNO(mp,fsbno))
+
+/*
+ * File system sector to basic block conversions.
+ */
+#define XFS_FSS_TO_BB(mp,sec) ((sec) << (mp)->m_sectbb_log)
+
+/*
+ * File system block to basic block conversions.
+ */
+#define XFS_FSB_TO_BB(mp,fsbno) ((fsbno) << (mp)->m_blkbb_log)
+#define XFS_BB_TO_FSB(mp,bb) \
+ (((bb) + (XFS_FSB_TO_BB(mp,1) - 1)) >> (mp)->m_blkbb_log)
+#define XFS_BB_TO_FSBT(mp,bb) ((bb) >> (mp)->m_blkbb_log)
+
+/*
+ * File system block to byte conversions.
+ */
+#define XFS_FSB_TO_B(mp,fsbno) ((xfs_fsize_t)(fsbno) << (mp)->m_sb.sb_blocklog)
+#define XFS_B_TO_FSB(mp,b) \
+ ((((__uint64_t)(b)) + (mp)->m_blockmask) >> (mp)->m_sb.sb_blocklog)
+#define XFS_B_TO_FSBT(mp,b) (((__uint64_t)(b)) >> (mp)->m_sb.sb_blocklog)
+#define XFS_B_FSB_OFFSET(mp,b) ((b) & (mp)->m_blockmask)
+
+/*
+ * Allocation group header
+ *
+ * This is divided into three structures, placed in sequential 512-byte
+ * buffers after a copy of the superblock (also in a 512-byte buffer).
+ */
+#define XFS_AGF_MAGIC 0x58414746 /* 'XAGF' */
+#define XFS_AGI_MAGIC 0x58414749 /* 'XAGI' */
+#define XFS_AGFL_MAGIC 0x5841464c /* 'XAFL' */
+#define XFS_AGF_VERSION 1
+#define XFS_AGI_VERSION 1
+
+#define XFS_AGF_GOOD_VERSION(v) ((v) == XFS_AGF_VERSION)
+#define XFS_AGI_GOOD_VERSION(v) ((v) == XFS_AGI_VERSION)
+
+/*
+ * Btree number 0 is bno, 1 is cnt. This value gives the size of the
+ * arrays below.
+ */
+#define XFS_BTNUM_AGF ((int)XFS_BTNUM_CNTi + 1)
+
+/*
+ * The second word of agf_levels in the first a.g. overlaps the EFS
+ * superblock's magic number. Since the magic numbers valid for EFS
+ * are > 64k, our value cannot be confused for an EFS superblock's.
+ */
+
+typedef struct xfs_agf {
+ /*
+ * Common allocation group header information
+ */
+ __be32 agf_magicnum; /* magic number == XFS_AGF_MAGIC */
+ __be32 agf_versionnum; /* header version == XFS_AGF_VERSION */
+ __be32 agf_seqno; /* sequence # starting from 0 */
+ __be32 agf_length; /* size in blocks of a.g. */
+ /*
+ * Freespace information
+ */
+ __be32 agf_roots[XFS_BTNUM_AGF]; /* root blocks */
+ __be32 agf_spare0; /* spare field */
+ __be32 agf_levels[XFS_BTNUM_AGF]; /* btree levels */
+ __be32 agf_spare1; /* spare field */
+
+ __be32 agf_flfirst; /* first freelist block's index */
+ __be32 agf_fllast; /* last freelist block's index */
+ __be32 agf_flcount; /* count of blocks in freelist */
+ __be32 agf_freeblks; /* total free blocks */
+
+ __be32 agf_longest; /* longest free space */
+ __be32 agf_btreeblks; /* # of blocks held in AGF btrees */
+ uuid_t agf_uuid; /* uuid of filesystem */
+
+ /*
+ * reserve some contiguous space for future logged fields before we add
+ * the unlogged fields. This makes the range logging via flags and
+ * structure offsets much simpler.
+ */
+ __be64 agf_spare64[16];
+
+ /* unlogged fields, written during buffer writeback. */
+ __be64 agf_lsn; /* last write sequence */
+ __be32 agf_crc; /* crc of agf sector */
+ __be32 agf_spare2;
+
+ /* structure must be padded to 64 bit alignment */
+} xfs_agf_t;
+
+#define XFS_AGF_CRC_OFF offsetof(struct xfs_agf, agf_crc)
+
+#define XFS_AGF_MAGICNUM 0x00000001
+#define XFS_AGF_VERSIONNUM 0x00000002
+#define XFS_AGF_SEQNO 0x00000004
+#define XFS_AGF_LENGTH 0x00000008
+#define XFS_AGF_ROOTS 0x00000010
+#define XFS_AGF_LEVELS 0x00000020
+#define XFS_AGF_FLFIRST 0x00000040
+#define XFS_AGF_FLLAST 0x00000080
+#define XFS_AGF_FLCOUNT 0x00000100
+#define XFS_AGF_FREEBLKS 0x00000200
+#define XFS_AGF_LONGEST 0x00000400
+#define XFS_AGF_BTREEBLKS 0x00000800
+#define XFS_AGF_UUID 0x00001000
+#define XFS_AGF_NUM_BITS 13
+#define XFS_AGF_ALL_BITS ((1 << XFS_AGF_NUM_BITS) - 1)
+
+#define XFS_AGF_FLAGS \
+ { XFS_AGF_MAGICNUM, "MAGICNUM" }, \
+ { XFS_AGF_VERSIONNUM, "VERSIONNUM" }, \
+ { XFS_AGF_SEQNO, "SEQNO" }, \
+ { XFS_AGF_LENGTH, "LENGTH" }, \
+ { XFS_AGF_ROOTS, "ROOTS" }, \
+ { XFS_AGF_LEVELS, "LEVELS" }, \
+ { XFS_AGF_FLFIRST, "FLFIRST" }, \
+ { XFS_AGF_FLLAST, "FLLAST" }, \
+ { XFS_AGF_FLCOUNT, "FLCOUNT" }, \
+ { XFS_AGF_FREEBLKS, "FREEBLKS" }, \
+ { XFS_AGF_LONGEST, "LONGEST" }, \
+ { XFS_AGF_BTREEBLKS, "BTREEBLKS" }, \
+ { XFS_AGF_UUID, "UUID" }
+
+/* disk block (xfs_daddr_t) in the AG */
+#define XFS_AGF_DADDR(mp) ((xfs_daddr_t)(1 << (mp)->m_sectbb_log))
+#define XFS_AGF_BLOCK(mp) XFS_HDR_BLOCK(mp, XFS_AGF_DADDR(mp))
+#define XFS_BUF_TO_AGF(bp) ((xfs_agf_t *)((bp)->b_addr))
+
+/*
+ * Size of the unlinked inode hash table in the agi.
+ */
+#define XFS_AGI_UNLINKED_BUCKETS 64
+
+typedef struct xfs_agi {
+ /*
+ * Common allocation group header information
+ */
+ __be32 agi_magicnum; /* magic number == XFS_AGI_MAGIC */
+ __be32 agi_versionnum; /* header version == XFS_AGI_VERSION */
+ __be32 agi_seqno; /* sequence # starting from 0 */
+ __be32 agi_length; /* size in blocks of a.g. */
+ /*
+ * Inode information
+ * Inodes are mapped by interpreting the inode number, so no
+ * mapping data is needed here.
+ */
+ __be32 agi_count; /* count of allocated inodes */
+ __be32 agi_root; /* root of inode btree */
+ __be32 agi_level; /* levels in inode btree */
+ __be32 agi_freecount; /* number of free inodes */
+
+ __be32 agi_newino; /* new inode just allocated */
+ __be32 agi_dirino; /* last directory inode chunk */
+ /*
+ * Hash table of inodes which have been unlinked but are
+ * still being referenced.
+ */
+ __be32 agi_unlinked[XFS_AGI_UNLINKED_BUCKETS];
+ /*
+ * This marks the end of logging region 1 and start of logging region 2.
+ */
+ uuid_t agi_uuid; /* uuid of filesystem */
+ __be32 agi_crc; /* crc of agi sector */
+ __be32 agi_pad32;
+ __be64 agi_lsn; /* last write sequence */
+
+ __be32 agi_free_root; /* root of the free inode btree */
+ __be32 agi_free_level;/* levels in free inode btree */
+
+ /* structure must be padded to 64 bit alignment */
+} xfs_agi_t;
+
+#define XFS_AGI_CRC_OFF offsetof(struct xfs_agi, agi_crc)
+
+#define XFS_AGI_MAGICNUM (1 << 0)
+#define XFS_AGI_VERSIONNUM (1 << 1)
+#define XFS_AGI_SEQNO (1 << 2)
+#define XFS_AGI_LENGTH (1 << 3)
+#define XFS_AGI_COUNT (1 << 4)
+#define XFS_AGI_ROOT (1 << 5)
+#define XFS_AGI_LEVEL (1 << 6)
+#define XFS_AGI_FREECOUNT (1 << 7)
+#define XFS_AGI_NEWINO (1 << 8)
+#define XFS_AGI_DIRINO (1 << 9)
+#define XFS_AGI_UNLINKED (1 << 10)
+#define XFS_AGI_NUM_BITS_R1 11 /* end of the 1st agi logging region */
+#define XFS_AGI_ALL_BITS_R1 ((1 << XFS_AGI_NUM_BITS_R1) - 1)
+#define XFS_AGI_FREE_ROOT (1 << 11)
+#define XFS_AGI_FREE_LEVEL (1 << 12)
+#define XFS_AGI_NUM_BITS_R2 13
+
+/* disk block (xfs_daddr_t) in the AG */
+#define XFS_AGI_DADDR(mp) ((xfs_daddr_t)(2 << (mp)->m_sectbb_log))
+#define XFS_AGI_BLOCK(mp) XFS_HDR_BLOCK(mp, XFS_AGI_DADDR(mp))
+#define XFS_BUF_TO_AGI(bp) ((xfs_agi_t *)((bp)->b_addr))
+
+/*
+ * The third a.g. block contains the a.g. freelist, an array
+ * of block pointers to blocks owned by the allocation btree code.
+ */
+#define XFS_AGFL_DADDR(mp) ((xfs_daddr_t)(3 << (mp)->m_sectbb_log))
+#define XFS_AGFL_BLOCK(mp) XFS_HDR_BLOCK(mp, XFS_AGFL_DADDR(mp))
+#define XFS_BUF_TO_AGFL(bp) ((xfs_agfl_t *)((bp)->b_addr))
+
+#define XFS_BUF_TO_AGFL_BNO(mp, bp) \
+ (xfs_sb_version_hascrc(&((mp)->m_sb)) ? \
+ &(XFS_BUF_TO_AGFL(bp)->agfl_bno[0]) : \
+ (__be32 *)(bp)->b_addr)
+
+/*
+ * Size of the AGFL. For CRC-enabled filesystes we steal a couple of
+ * slots in the beginning of the block for a proper header with the
+ * location information and CRC.
+ */
+#define XFS_AGFL_SIZE(mp) \
+ (((mp)->m_sb.sb_sectsize - \
+ (xfs_sb_version_hascrc(&((mp)->m_sb)) ? \
+ sizeof(struct xfs_agfl) : 0)) / \
+ sizeof(xfs_agblock_t))
+
+typedef struct xfs_agfl {
+ __be32 agfl_magicnum;
+ __be32 agfl_seqno;
+ uuid_t agfl_uuid;
+ __be64 agfl_lsn;
+ __be32 agfl_crc;
+ __be32 agfl_bno[]; /* actually XFS_AGFL_SIZE(mp) */
+} xfs_agfl_t;
+
+#define XFS_AGFL_CRC_OFF offsetof(struct xfs_agfl, agfl_crc)
+
+
+#define XFS_AG_MAXLEVELS(mp) ((mp)->m_ag_maxlevels)
+#define XFS_MIN_FREELIST_RAW(bl,cl,mp) \
+ (MIN(bl + 1, XFS_AG_MAXLEVELS(mp)) + MIN(cl + 1, XFS_AG_MAXLEVELS(mp)))
+#define XFS_MIN_FREELIST(a,mp) \
+ (XFS_MIN_FREELIST_RAW( \
+ be32_to_cpu((a)->agf_levels[XFS_BTNUM_BNOi]), \
+ be32_to_cpu((a)->agf_levels[XFS_BTNUM_CNTi]), mp))
+#define XFS_MIN_FREELIST_PAG(pag,mp) \
+ (XFS_MIN_FREELIST_RAW( \
+ (unsigned int)(pag)->pagf_levels[XFS_BTNUM_BNOi], \
+ (unsigned int)(pag)->pagf_levels[XFS_BTNUM_CNTi], mp))
+
+#define XFS_AGB_TO_FSB(mp,agno,agbno) \
+ (((xfs_fsblock_t)(agno) << (mp)->m_sb.sb_agblklog) | (agbno))
+#define XFS_FSB_TO_AGNO(mp,fsbno) \
+ ((xfs_agnumber_t)((fsbno) >> (mp)->m_sb.sb_agblklog))
+#define XFS_FSB_TO_AGBNO(mp,fsbno) \
+ ((xfs_agblock_t)((fsbno) & xfs_mask32lo((mp)->m_sb.sb_agblklog)))
+#define XFS_AGB_TO_DADDR(mp,agno,agbno) \
+ ((xfs_daddr_t)XFS_FSB_TO_BB(mp, \
+ (xfs_fsblock_t)(agno) * (mp)->m_sb.sb_agblocks + (agbno)))
+#define XFS_AG_DADDR(mp,agno,d) (XFS_AGB_TO_DADDR(mp, agno, 0) + (d))
+
+/*
+ * For checking for bad ranges of xfs_daddr_t's, covering multiple
+ * allocation groups or a single xfs_daddr_t that's a superblock copy.
+ */
+#define XFS_AG_CHECK_DADDR(mp,d,len) \
+ ((len) == 1 ? \
+ ASSERT((d) == XFS_SB_DADDR || \
+ xfs_daddr_to_agbno(mp, d) != XFS_SB_DADDR) : \
+ ASSERT(xfs_daddr_to_agno(mp, d) == \
+ xfs_daddr_to_agno(mp, (d) + (len) - 1)))
+
+typedef struct xfs_timestamp {
+ __be32 t_sec; /* timestamp seconds */
+ __be32 t_nsec; /* timestamp nanoseconds */
+} xfs_timestamp_t;
+
+/*
+ * On-disk inode structure.
+ *
+ * This is just the header or "dinode core", the inode is expanded to fill a
+ * variable size the leftover area split into a data and an attribute fork.
+ * The format of the data and attribute fork depends on the format of the
+ * inode as indicated by di_format and di_aformat. To access the data and
+ * attribute use the XFS_DFORK_DPTR, XFS_DFORK_APTR, and XFS_DFORK_PTR macros
+ * below.
+ *
+ * There is a very similar struct icdinode in xfs_inode which matches the
+ * layout of the first 96 bytes of this structure, but is kept in native
+ * format instead of big endian.
+ *
+ * Note: di_flushiter is only used by v1/2 inodes - it's effectively a zeroed
+ * padding field for v3 inodes.
+ */
+#define XFS_DINODE_MAGIC 0x494e /* 'IN' */
+#define XFS_DINODE_GOOD_VERSION(v) ((v) >= 1 && (v) <= 3)
+typedef struct xfs_dinode {
+ __be16 di_magic; /* inode magic # = XFS_DINODE_MAGIC */
+ __be16 di_mode; /* mode and type of file */
+ __u8 di_version; /* inode version */
+ __u8 di_format; /* format of di_c data */
+ __be16 di_onlink; /* old number of links to file */
+ __be32 di_uid; /* owner's user id */
+ __be32 di_gid; /* owner's group id */
+ __be32 di_nlink; /* number of links to file */
+ __be16 di_projid_lo; /* lower part of owner's project id */
+ __be16 di_projid_hi; /* higher part owner's project id */
+ __u8 di_pad[6]; /* unused, zeroed space */
+ __be16 di_flushiter; /* incremented on flush */
+ xfs_timestamp_t di_atime; /* time last accessed */
+ xfs_timestamp_t di_mtime; /* time last modified */
+ xfs_timestamp_t di_ctime; /* time created/inode modified */
+ __be64 di_size; /* number of bytes in file */
+ __be64 di_nblocks; /* # of direct & btree blocks used */
+ __be32 di_extsize; /* basic/minimum extent size for file */
+ __be32 di_nextents; /* number of extents in data fork */
+ __be16 di_anextents; /* number of extents in attribute fork*/
+ __u8 di_forkoff; /* attr fork offs, <<3 for 64b align */
+ __s8 di_aformat; /* format of attr fork's data */
+ __be32 di_dmevmask; /* DMIG event mask */
+ __be16 di_dmstate; /* DMIG state info */
+ __be16 di_flags; /* random flags, XFS_DIFLAG_... */
+ __be32 di_gen; /* generation number */
+
+ /* di_next_unlinked is the only non-core field in the old dinode */
+ __be32 di_next_unlinked;/* agi unlinked list ptr */
+
+ /* start of the extended dinode, writable fields */
+ __le32 di_crc; /* CRC of the inode */
+ __be64 di_changecount; /* number of attribute changes */
+ __be64 di_lsn; /* flush sequence */
+ __be64 di_flags2; /* more random flags */
+ __u8 di_pad2[16]; /* more padding for future expansion */
+
+ /* fields only written to during inode creation */
+ xfs_timestamp_t di_crtime; /* time created */
+ __be64 di_ino; /* inode number */
+ uuid_t di_uuid; /* UUID of the filesystem */
+
+ /* structure must be padded to 64 bit alignment */
+} xfs_dinode_t;
+
+#define XFS_DINODE_CRC_OFF offsetof(struct xfs_dinode, di_crc)
+
+#define DI_MAX_FLUSH 0xffff
+
+/*
+ * Size of the core inode on disk. Version 1 and 2 inodes have
+ * the same size, but version 3 has grown a few additional fields.
+ */
+static inline uint xfs_dinode_size(int version)
+{
+ if (version == 3)
+ return sizeof(struct xfs_dinode);
+ return offsetof(struct xfs_dinode, di_crc);
+}
+
+/*
+ * The 32 bit link count in the inode theoretically maxes out at UINT_MAX.
+ * Since the pathconf interface is signed, we use 2^31 - 1 instead.
+ * The old inode format had a 16 bit link count, so its maximum is USHRT_MAX.
+ */
+#define XFS_MAXLINK ((1U << 31) - 1U)
+#define XFS_MAXLINK_1 65535U
+
+/*
+ * Values for di_format
+ */
+typedef enum xfs_dinode_fmt {
+ XFS_DINODE_FMT_DEV, /* xfs_dev_t */
+ XFS_DINODE_FMT_LOCAL, /* bulk data */
+ XFS_DINODE_FMT_EXTENTS, /* struct xfs_bmbt_rec */
+ XFS_DINODE_FMT_BTREE, /* struct xfs_bmdr_block */
+ XFS_DINODE_FMT_UUID /* uuid_t */
+} xfs_dinode_fmt_t;
+
+/*
+ * Inode minimum and maximum sizes.
+ */
+#define XFS_DINODE_MIN_LOG 8
+#define XFS_DINODE_MAX_LOG 11
+#define XFS_DINODE_MIN_SIZE (1 << XFS_DINODE_MIN_LOG)
+#define XFS_DINODE_MAX_SIZE (1 << XFS_DINODE_MAX_LOG)
+
+/*
+ * Inode size for given fs.
+ */
+#define XFS_LITINO(mp, version) \
+ ((int)(((mp)->m_sb.sb_inodesize) - xfs_dinode_size(version)))
+
+/*
+ * Inode data & attribute fork sizes, per inode.
+ */
+#define XFS_DFORK_Q(dip) ((dip)->di_forkoff != 0)
+#define XFS_DFORK_BOFF(dip) ((int)((dip)->di_forkoff << 3))
+
+#define XFS_DFORK_DSIZE(dip,mp) \
+ (XFS_DFORK_Q(dip) ? \
+ XFS_DFORK_BOFF(dip) : \
+ XFS_LITINO(mp, (dip)->di_version))
+#define XFS_DFORK_ASIZE(dip,mp) \
+ (XFS_DFORK_Q(dip) ? \
+ XFS_LITINO(mp, (dip)->di_version) - XFS_DFORK_BOFF(dip) : \
+ 0)
+#define XFS_DFORK_SIZE(dip,mp,w) \
+ ((w) == XFS_DATA_FORK ? \
+ XFS_DFORK_DSIZE(dip, mp) : \
+ XFS_DFORK_ASIZE(dip, mp))
+
+/*
+ * Return pointers to the data or attribute forks.
+ */
+#define XFS_DFORK_DPTR(dip) \
+ ((char *)dip + xfs_dinode_size(dip->di_version))
+#define XFS_DFORK_APTR(dip) \
+ (XFS_DFORK_DPTR(dip) + XFS_DFORK_BOFF(dip))
+#define XFS_DFORK_PTR(dip,w) \
+ ((w) == XFS_DATA_FORK ? XFS_DFORK_DPTR(dip) : XFS_DFORK_APTR(dip))
+
+#define XFS_DFORK_FORMAT(dip,w) \
+ ((w) == XFS_DATA_FORK ? \
+ (dip)->di_format : \
+ (dip)->di_aformat)
+#define XFS_DFORK_NEXTENTS(dip,w) \
+ ((w) == XFS_DATA_FORK ? \
+ be32_to_cpu((dip)->di_nextents) : \
+ be16_to_cpu((dip)->di_anextents))
+
+/*
+ * For block and character special files the 32bit dev_t is stored at the
+ * beginning of the data fork.
+ */
+static inline xfs_dev_t xfs_dinode_get_rdev(struct xfs_dinode *dip)
+{
+ return be32_to_cpu(*(__be32 *)XFS_DFORK_DPTR(dip));
+}
+
+static inline void xfs_dinode_put_rdev(struct xfs_dinode *dip, xfs_dev_t rdev)
+{
+ *(__be32 *)XFS_DFORK_DPTR(dip) = cpu_to_be32(rdev);
+}
+
+/*
+ * Values for di_flags
+ * There should be a one-to-one correspondence between these flags and the
+ * XFS_XFLAG_s.
+ */
+#define XFS_DIFLAG_REALTIME_BIT 0 /* file's blocks come from rt area */
+#define XFS_DIFLAG_PREALLOC_BIT 1 /* file space has been preallocated */
+#define XFS_DIFLAG_NEWRTBM_BIT 2 /* for rtbitmap inode, new format */
+#define XFS_DIFLAG_IMMUTABLE_BIT 3 /* inode is immutable */
+#define XFS_DIFLAG_APPEND_BIT 4 /* inode is append-only */
+#define XFS_DIFLAG_SYNC_BIT 5 /* inode is written synchronously */
+#define XFS_DIFLAG_NOATIME_BIT 6 /* do not update atime */
+#define XFS_DIFLAG_NODUMP_BIT 7 /* do not dump */
+#define XFS_DIFLAG_RTINHERIT_BIT 8 /* create with realtime bit set */
+#define XFS_DIFLAG_PROJINHERIT_BIT 9 /* create with parents projid */
+#define XFS_DIFLAG_NOSYMLINKS_BIT 10 /* disallow symlink creation */
+#define XFS_DIFLAG_EXTSIZE_BIT 11 /* inode extent size allocator hint */
+#define XFS_DIFLAG_EXTSZINHERIT_BIT 12 /* inherit inode extent size */
+#define XFS_DIFLAG_NODEFRAG_BIT 13 /* do not reorganize/defragment */
+#define XFS_DIFLAG_FILESTREAM_BIT 14 /* use filestream allocator */
+#define XFS_DIFLAG_REALTIME (1 << XFS_DIFLAG_REALTIME_BIT)
+#define XFS_DIFLAG_PREALLOC (1 << XFS_DIFLAG_PREALLOC_BIT)
+#define XFS_DIFLAG_NEWRTBM (1 << XFS_DIFLAG_NEWRTBM_BIT)
+#define XFS_DIFLAG_IMMUTABLE (1 << XFS_DIFLAG_IMMUTABLE_BIT)
+#define XFS_DIFLAG_APPEND (1 << XFS_DIFLAG_APPEND_BIT)
+#define XFS_DIFLAG_SYNC (1 << XFS_DIFLAG_SYNC_BIT)
+#define XFS_DIFLAG_NOATIME (1 << XFS_DIFLAG_NOATIME_BIT)
+#define XFS_DIFLAG_NODUMP (1 << XFS_DIFLAG_NODUMP_BIT)
+#define XFS_DIFLAG_RTINHERIT (1 << XFS_DIFLAG_RTINHERIT_BIT)
+#define XFS_DIFLAG_PROJINHERIT (1 << XFS_DIFLAG_PROJINHERIT_BIT)
+#define XFS_DIFLAG_NOSYMLINKS (1 << XFS_DIFLAG_NOSYMLINKS_BIT)
+#define XFS_DIFLAG_EXTSIZE (1 << XFS_DIFLAG_EXTSIZE_BIT)
+#define XFS_DIFLAG_EXTSZINHERIT (1 << XFS_DIFLAG_EXTSZINHERIT_BIT)
+#define XFS_DIFLAG_NODEFRAG (1 << XFS_DIFLAG_NODEFRAG_BIT)
+#define XFS_DIFLAG_FILESTREAM (1 << XFS_DIFLAG_FILESTREAM_BIT)
+
+#define XFS_DIFLAG_ANY \
+ (XFS_DIFLAG_REALTIME | XFS_DIFLAG_PREALLOC | XFS_DIFLAG_NEWRTBM | \
+ XFS_DIFLAG_IMMUTABLE | XFS_DIFLAG_APPEND | XFS_DIFLAG_SYNC | \
+ XFS_DIFLAG_NOATIME | XFS_DIFLAG_NODUMP | XFS_DIFLAG_RTINHERIT | \
+ XFS_DIFLAG_PROJINHERIT | XFS_DIFLAG_NOSYMLINKS | XFS_DIFLAG_EXTSIZE | \
+ XFS_DIFLAG_EXTSZINHERIT | XFS_DIFLAG_NODEFRAG | XFS_DIFLAG_FILESTREAM)
+
+/*
+ * Inode number format:
+ * low inopblog bits - offset in block
+ * next agblklog bits - block number in ag
+ * next agno_log bits - ag number
+ * high agno_log-agblklog-inopblog bits - 0
+ */
+#define XFS_INO_MASK(k) (__uint32_t)((1ULL << (k)) - 1)
+#define XFS_INO_OFFSET_BITS(mp) (mp)->m_sb.sb_inopblog
+#define XFS_INO_AGBNO_BITS(mp) (mp)->m_sb.sb_agblklog
+#define XFS_INO_AGINO_BITS(mp) (mp)->m_agino_log
+#define XFS_INO_AGNO_BITS(mp) (mp)->m_agno_log
+#define XFS_INO_BITS(mp) \
+ XFS_INO_AGNO_BITS(mp) + XFS_INO_AGINO_BITS(mp)
+#define XFS_INO_TO_AGNO(mp,i) \
+ ((xfs_agnumber_t)((i) >> XFS_INO_AGINO_BITS(mp)))
+#define XFS_INO_TO_AGINO(mp,i) \
+ ((xfs_agino_t)(i) & XFS_INO_MASK(XFS_INO_AGINO_BITS(mp)))
+#define XFS_INO_TO_AGBNO(mp,i) \
+ (((xfs_agblock_t)(i) >> XFS_INO_OFFSET_BITS(mp)) & \
+ XFS_INO_MASK(XFS_INO_AGBNO_BITS(mp)))
+#define XFS_INO_TO_OFFSET(mp,i) \
+ ((int)(i) & XFS_INO_MASK(XFS_INO_OFFSET_BITS(mp)))
+#define XFS_INO_TO_FSB(mp,i) \
+ XFS_AGB_TO_FSB(mp, XFS_INO_TO_AGNO(mp,i), XFS_INO_TO_AGBNO(mp,i))
+#define XFS_AGINO_TO_INO(mp,a,i) \
+ (((xfs_ino_t)(a) << XFS_INO_AGINO_BITS(mp)) | (i))
+#define XFS_AGINO_TO_AGBNO(mp,i) ((i) >> XFS_INO_OFFSET_BITS(mp))
+#define XFS_AGINO_TO_OFFSET(mp,i) \
+ ((i) & XFS_INO_MASK(XFS_INO_OFFSET_BITS(mp)))
+#define XFS_OFFBNO_TO_AGINO(mp,b,o) \
+ ((xfs_agino_t)(((b) << XFS_INO_OFFSET_BITS(mp)) | (o)))
+
+#define XFS_MAXINUMBER ((xfs_ino_t)((1ULL << 56) - 1ULL))
+#define XFS_MAXINUMBER_32 ((xfs_ino_t)((1ULL << 32) - 1ULL))
+
/*
* RealTime Device format definitions
*/
#define XFS_RTLOBIT(w) xfs_lowbit32(w)
#define XFS_RTHIBIT(w) xfs_highbit32(w)
-#if XFS_BIG_BLKNOS
#define XFS_RTBLOCKLOG(b) xfs_highbit64(b)
-#else
-#define XFS_RTBLOCKLOG(b) xfs_highbit32(b)
-#endif
/*
* Dquot and dquot block format definitions
* Values and macros for delayed-allocation startblock fields.
*/
#define STARTBLOCKVALBITS 17
-#define STARTBLOCKMASKBITS (15 + XFS_BIG_BLKNOS * 20)
-#define DSTARTBLOCKMASKBITS (15 + 20)
+#define STARTBLOCKMASKBITS (15 + 20)
#define STARTBLOCKMASK \
(((((xfs_fsblock_t)1) << STARTBLOCKMASKBITS) - 1) << STARTBLOCKVALBITS)
-#define DSTARTBLOCKMASK \
- (((((xfs_dfsbno_t)1) << DSTARTBLOCKMASKBITS) - 1) << STARTBLOCKVALBITS)
static inline int isnullstartblock(xfs_fsblock_t x)
{
return ((x) & STARTBLOCKMASK) == STARTBLOCKMASK;
}
-static inline int isnulldstartblock(xfs_dfsbno_t x)
-{
- return ((x) & DSTARTBLOCKMASK) == DSTARTBLOCKMASK;
-}
-
static inline xfs_fsblock_t nullstartblock(int k)
{
ASSERT(k < (1 << STARTBLOCKVALBITS));
#define XFS_BTREE_LBLOCK_CRC_OFF \
offsetof(struct xfs_btree_block, bb_u.l.bb_crc)
+/*
+ * On-disk XFS access control list structure.
+ */
+struct xfs_acl_entry {
+ __be32 ae_tag;
+ __be32 ae_id;
+ __be16 ae_perm;
+ __be16 ae_pad; /* fill the implicit hole in the structure */
+};
+
+struct xfs_acl {
+ __be32 acl_cnt;
+ struct xfs_acl_entry acl_entry[0];
+};
+
+/*
+ * The number of ACL entries allowed is defined by the on-disk format.
+ * For v4 superblocks, that is limited to 25 entries. For v5 superblocks, it is
+ * limited only by the maximum size of the xattr that stores the information.
+ */
+#define XFS_ACL_MAX_ENTRIES(mp) \
+ (xfs_sb_version_hascrc(&mp->m_sb) \
+ ? (XATTR_SIZE_MAX - sizeof(struct xfs_acl)) / \
+ sizeof(struct xfs_acl_entry) \
+ : 25)
+
+#define XFS_ACL_MAX_SIZE(mp) \
+ (sizeof(struct xfs_acl) + \
+ sizeof(struct xfs_acl_entry) * XFS_ACL_MAX_ENTRIES((mp)))
+
+/* On-disk XFS extended attribute names */
+#define SGI_ACL_FILE (char *)"SGI_ACL_FILE"
+#define SGI_ACL_DEFAULT (char *)"SGI_ACL_DEFAULT"
+#define SGI_ACL_FILE_SIZE (sizeof(SGI_ACL_FILE)-1)
+#define SGI_ACL_DEFAULT_SIZE (sizeof(SGI_ACL_DEFAULT)-1)
+
#endif /* __XFS_FORMAT_H__ */
((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES)
/* Used for sanity checks on superblock */
-#define XFS_MAX_DBLOCKS(s) ((xfs_drfsbno_t)(s)->sb_agcount * (s)->sb_agblocks)
-#define XFS_MIN_DBLOCKS(s) ((xfs_drfsbno_t)((s)->sb_agcount - 1) * \
+#define XFS_MAX_DBLOCKS(s) ((xfs_rfsblock_t)(s)->sb_agcount * (s)->sb_agblocks)
+#define XFS_MIN_DBLOCKS(s) ((xfs_rfsblock_t)((s)->sb_agcount - 1) * \
(s)->sb_agblocks + XFS_MIN_AG_BLOCKS)
/*
#define XFS_EOF_FLAGS_GID (1 << 2) /* filter by gid */
#define XFS_EOF_FLAGS_PRID (1 << 3) /* filter by project id */
#define XFS_EOF_FLAGS_MINFILESIZE (1 << 4) /* filter by min file size */
+#define XFS_EOF_FLAGS_UNION (1 << 5) /* union filter algorithm;
+ * kernel only, not included in
+ * valid mask */
#define XFS_EOF_FLAGS_VALID \
(XFS_EOF_FLAGS_SYNC | \
XFS_EOF_FLAGS_UID | \
*/
static inline int
xfs_ialloc_cluster_alignment(
- xfs_alloc_arg_t *args)
+ struct xfs_mount *mp)
{
- if (xfs_sb_version_hasalign(&args->mp->m_sb) &&
- args->mp->m_sb.sb_inoalignmt >=
- XFS_B_TO_FSBT(args->mp, args->mp->m_inode_cluster_size))
- return args->mp->m_sb.sb_inoalignmt;
+ if (xfs_sb_version_hasalign(&mp->m_sb) &&
+ mp->m_sb.sb_inoalignmt >=
+ XFS_B_TO_FSBT(mp, mp->m_inode_cluster_size))
+ return mp->m_sb.sb_inoalignmt;
return 1;
}
* but not to use them in the actual exact allocation.
*/
args.alignment = 1;
- args.minalignslop = xfs_ialloc_cluster_alignment(&args) - 1;
+ args.minalignslop = xfs_ialloc_cluster_alignment(args.mp) - 1;
/* Allow space for the inode btree to split. */
args.minleft = args.mp->m_in_maxlevels - 1;
args.alignment = args.mp->m_dalign;
isaligned = 1;
} else
- args.alignment = xfs_ialloc_cluster_alignment(&args);
+ args.alignment = xfs_ialloc_cluster_alignment(args.mp);
/*
* Need to figure out where to allocate the inode blocks.
* Ideally they should be spaced out through the a.g.
args.type = XFS_ALLOCTYPE_NEAR_BNO;
args.agbno = be32_to_cpu(agi->agi_root);
args.fsbno = XFS_AGB_TO_FSB(args.mp, agno, args.agbno);
- args.alignment = xfs_ialloc_cluster_alignment(&args);
+ args.alignment = xfs_ialloc_cluster_alignment(args.mp);
if ((error = xfs_alloc_vextent(&args)))
return error;
}
}
/*
- * Is there enough free space for the file plus a block of
- * inodes? (if we need to allocate some)?
+ * Check that there is enough free space for the file plus a
+ * chunk of inodes if we need to allocate some. If this is the
+ * first pass across the AGs, take into account the potential
+ * space needed for alignment of inode chunks when checking the
+ * longest contiguous free space in the AG - this prevents us
+ * from getting ENOSPC because we have free space larger than
+ * m_ialloc_blks but alignment constraints prevent us from using
+ * it.
+ *
+ * If we can't find an AG with space for full alignment slack to
+ * be taken into account, we must be near ENOSPC in all AGs.
+ * Hence we don't include alignment for the second pass and so
+ * if we fail allocation due to alignment issues then it is most
+ * likely a real ENOSPC condition.
*/
ineed = mp->m_ialloc_blks;
+ if (flags && ineed > 1)
+ ineed += xfs_ialloc_cluster_alignment(mp);
longest = pag->pagf_longest;
if (!longest)
longest = pag->pagf_flcount > 0;
if (error)
return error;
XFS_WANT_CORRUPTED_RETURN(i == 1);
-
return 0;
}
}
XFS_WANT_CORRUPTED_RETURN((rec.ir_free == frec->ir_free) &&
(rec.ir_freecount == frec->ir_freecount));
- error = xfs_inobt_update(cur, &rec);
- if (error)
- return error;
-
- return 0;
+ return xfs_inobt_update(cur, &rec);
}
/*
if (!XFS_AGI_GOOD_VERSION(be32_to_cpu(agi->agi_versionnum)))
return false;
+ if (be32_to_cpu(agi->agi_level) > XFS_BTREE_MAXLEVELS)
+ return false;
/*
* during growfs operations, the perag is not fully initialised,
* so we can't use it for any useful checking. growfs ensures we can't
xfs_agnumber_t agno, xfs_agblock_t agbno,
xfs_agblock_t length, unsigned int gen);
+int xfs_read_agi(struct xfs_mount *mp, struct xfs_trans *tp,
+ xfs_agnumber_t agno, struct xfs_buf **bpp);
+
+
#endif /* __XFS_IALLOC_H__ */
ifp->if_broot_bytes = (int)new_size;
ASSERT(XFS_BMAP_BMDR_SPACE(ifp->if_broot) <=
XFS_IFORK_SIZE(ip, whichfork));
- memmove(np, op, cur_max * (uint)sizeof(xfs_dfsbno_t));
+ memmove(np, op, cur_max * (uint)sizeof(xfs_fsblock_t));
return;
}
ifp->if_broot_bytes);
np = (char *)XFS_BMAP_BROOT_PTR_ADDR(mp, new_broot, 1,
(int)new_size);
- memcpy(np, op, new_max * (uint)sizeof(xfs_dfsbno_t));
+ memcpy(np, op, new_max * (uint)sizeof(xfs_fsblock_t));
}
kmem_free(ifp->if_broot);
ifp->if_broot = new_broot;
+++ /dev/null
-/*
- * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it would be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-#ifndef __XFS_INUM_H__
-#define __XFS_INUM_H__
-
-/*
- * Inode number format:
- * low inopblog bits - offset in block
- * next agblklog bits - block number in ag
- * next agno_log bits - ag number
- * high agno_log-agblklog-inopblog bits - 0
- */
-
-struct xfs_mount;
-
-#define XFS_INO_MASK(k) (__uint32_t)((1ULL << (k)) - 1)
-#define XFS_INO_OFFSET_BITS(mp) (mp)->m_sb.sb_inopblog
-#define XFS_INO_AGBNO_BITS(mp) (mp)->m_sb.sb_agblklog
-#define XFS_INO_AGINO_BITS(mp) (mp)->m_agino_log
-#define XFS_INO_AGNO_BITS(mp) (mp)->m_agno_log
-#define XFS_INO_BITS(mp) \
- XFS_INO_AGNO_BITS(mp) + XFS_INO_AGINO_BITS(mp)
-#define XFS_INO_TO_AGNO(mp,i) \
- ((xfs_agnumber_t)((i) >> XFS_INO_AGINO_BITS(mp)))
-#define XFS_INO_TO_AGINO(mp,i) \
- ((xfs_agino_t)(i) & XFS_INO_MASK(XFS_INO_AGINO_BITS(mp)))
-#define XFS_INO_TO_AGBNO(mp,i) \
- (((xfs_agblock_t)(i) >> XFS_INO_OFFSET_BITS(mp)) & \
- XFS_INO_MASK(XFS_INO_AGBNO_BITS(mp)))
-#define XFS_INO_TO_OFFSET(mp,i) \
- ((int)(i) & XFS_INO_MASK(XFS_INO_OFFSET_BITS(mp)))
-#define XFS_INO_TO_FSB(mp,i) \
- XFS_AGB_TO_FSB(mp, XFS_INO_TO_AGNO(mp,i), XFS_INO_TO_AGBNO(mp,i))
-#define XFS_AGINO_TO_INO(mp,a,i) \
- (((xfs_ino_t)(a) << XFS_INO_AGINO_BITS(mp)) | (i))
-#define XFS_AGINO_TO_AGBNO(mp,i) ((i) >> XFS_INO_OFFSET_BITS(mp))
-#define XFS_AGINO_TO_OFFSET(mp,i) \
- ((i) & XFS_INO_MASK(XFS_INO_OFFSET_BITS(mp)))
-#define XFS_OFFBNO_TO_AGINO(mp,b,o) \
- ((xfs_agino_t)(((b) << XFS_INO_OFFSET_BITS(mp)) | (o)))
-
-#if XFS_BIG_INUMS
-#define XFS_MAXINUMBER ((xfs_ino_t)((1ULL << 56) - 1ULL))
-#else
-#define XFS_MAXINUMBER ((xfs_ino_t)((1ULL << 32) - 1ULL))
-#endif
-#define XFS_MAXINUMBER_32 ((xfs_ino_t)((1ULL << 32) - 1ULL))
-
-#endif /* __XFS_INUM_H__ */
/*
* NOTE: This structure must be kept identical to struct xfs_dinode
- * in xfs_dinode.h except for the endianness annotations.
+ * except for the endianness annotations.
*/
typedef struct xfs_icdinode {
__uint16_t di_magic; /* inode magic # = XFS_DINODE_MAGIC */
xfs_ictimestamp_t di_mtime; /* time last modified */
xfs_ictimestamp_t di_ctime; /* time created/inode modified */
xfs_fsize_t di_size; /* number of bytes in file */
- xfs_drfsbno_t di_nblocks; /* # of direct & btree blocks used */
+ xfs_rfsblock_t di_nblocks; /* # of direct & btree blocks used */
xfs_extlen_t di_extsize; /* basic/minimum extent size for file */
xfs_extnum_t di_nextents; /* number of extents in data fork */
xfs_aextnum_t di_anextents; /* number of extents in attribute fork*/
* EFI/EFD log format definitions
*/
typedef struct xfs_extent {
- xfs_dfsbno_t ext_start;
+ xfs_fsblock_t ext_start;
xfs_extlen_t ext_len;
} xfs_extent_t;
#define XFS_IS_QUOTA_ON(mp) ((mp)->m_qflags & (XFS_UQUOTA_ACTIVE | \
XFS_GQUOTA_ACTIVE | \
XFS_PQUOTA_ACTIVE))
-#define XFS_IS_OQUOTA_ON(mp) ((mp)->m_qflags & (XFS_GQUOTA_ACTIVE | \
- XFS_PQUOTA_ACTIVE))
#define XFS_IS_UQUOTA_ON(mp) ((mp)->m_qflags & XFS_UQUOTA_ACTIVE)
#define XFS_IS_GQUOTA_ON(mp) ((mp)->m_qflags & XFS_GQUOTA_ACTIVE)
#define XFS_IS_PQUOTA_ON(mp) ((mp)->m_qflags & XFS_PQUOTA_ACTIVE)
}
/*
- * Read and modify the summary information for a given extent size,
+ * Read and/or modify the summary information for a given extent size,
* bitmap block combination.
* Keeps track of a current summary block, so we don't keep reading
* it from the buffer cache.
+ *
+ * Summary information is returned in *sum if specified.
+ * If no delta is specified, returns summary only.
*/
int
-xfs_rtmodify_summary(
- xfs_mount_t *mp, /* file system mount point */
+xfs_rtmodify_summary_int(
+ xfs_mount_t *mp, /* file system mount structure */
xfs_trans_t *tp, /* transaction pointer */
int log, /* log2 of extent size */
xfs_rtblock_t bbno, /* bitmap block number */
int delta, /* change to make to summary info */
xfs_buf_t **rbpp, /* in/out: summary block buffer */
- xfs_fsblock_t *rsb) /* in/out: summary block number */
+ xfs_fsblock_t *rsb, /* in/out: summary block number */
+ xfs_suminfo_t *sum) /* out: summary info for this block */
{
xfs_buf_t *bp; /* buffer for the summary block */
int error; /* error value */
/*
* If we have an old buffer, and the block number matches, use that.
*/
- if (rbpp && *rbpp && *rsb == sb)
+ if (*rbpp && *rsb == sb)
bp = *rbpp;
/*
* Otherwise we have to get the buffer.
/*
* If there was an old one, get rid of it first.
*/
- if (rbpp && *rbpp)
+ if (*rbpp)
xfs_trans_brelse(tp, *rbpp);
error = xfs_rtbuf_get(mp, tp, sb, 1, &bp);
if (error) {
/*
* Remember this buffer and block for the next call.
*/
- if (rbpp) {
- *rbpp = bp;
- *rsb = sb;
- }
+ *rbpp = bp;
+ *rsb = sb;
}
/*
- * Point to the summary information, modify and log it.
+ * Point to the summary information, modify/log it, and/or copy it out.
*/
sp = XFS_SUMPTR(mp, bp, so);
- *sp += delta;
- xfs_trans_log_buf(tp, bp, (uint)((char *)sp - (char *)bp->b_addr),
- (uint)((char *)sp - (char *)bp->b_addr + sizeof(*sp) - 1));
+ if (delta) {
+ uint first = (uint)((char *)sp - (char *)bp->b_addr);
+
+ *sp += delta;
+ xfs_trans_log_buf(tp, bp, first, first + sizeof(*sp) - 1);
+ }
+ if (sum)
+ *sum = *sp;
return 0;
}
+int
+xfs_rtmodify_summary(
+ xfs_mount_t *mp, /* file system mount structure */
+ xfs_trans_t *tp, /* transaction pointer */
+ int log, /* log2 of extent size */
+ xfs_rtblock_t bbno, /* bitmap block number */
+ int delta, /* change to make to summary info */
+ xfs_buf_t **rbpp, /* in/out: summary block buffer */
+ xfs_fsblock_t *rsb) /* in/out: summary block number */
+{
+ return xfs_rtmodify_summary_int(mp, tp, log, bbno,
+ delta, rbpp, rsb, NULL);
+}
+
/*
* Set the given range of bitmap bits to the given value.
* Do whatever I/O and logging is required.
sbp->sb_blocklog < XFS_MIN_BLOCKSIZE_LOG ||
sbp->sb_blocklog > XFS_MAX_BLOCKSIZE_LOG ||
sbp->sb_blocksize != (1 << sbp->sb_blocklog) ||
+ sbp->sb_dirblklog > XFS_MAX_BLOCKSIZE_LOG ||
sbp->sb_inodesize < XFS_DINODE_MIN_SIZE ||
sbp->sb_inodesize > XFS_DINODE_MAX_SIZE ||
sbp->sb_inodelog < XFS_DINODE_MIN_LOG ||
sbp->sb_inodelog > XFS_DINODE_MAX_LOG ||
sbp->sb_inodesize != (1 << sbp->sb_inodelog) ||
+ sbp->sb_logsunit > XLOG_MAX_RECORD_BSIZE ||
sbp->sb_inopblock != howmany(sbp->sb_blocksize,sbp->sb_inodesize) ||
(sbp->sb_blocklog - sbp->sb_inodelog != sbp->sb_inopblog) ||
(sbp->sb_rextsize * sbp->sb_blocksize > XFS_MAX_RTEXTSIZE) ||
}
}
-void
-xfs_sb_from_disk(
+static void
+__xfs_sb_from_disk(
struct xfs_sb *to,
- xfs_dsb_t *from)
+ xfs_dsb_t *from,
+ bool convert_xquota)
{
to->sb_magicnum = be32_to_cpu(from->sb_magicnum);
to->sb_blocksize = be32_to_cpu(from->sb_blocksize);
to->sb_features_incompat = be32_to_cpu(from->sb_features_incompat);
to->sb_features_log_incompat =
be32_to_cpu(from->sb_features_log_incompat);
+ /* crc is only used on disk, not in memory; just init to 0 here. */
+ to->sb_crc = 0;
to->sb_pad = 0;
to->sb_pquotino = be64_to_cpu(from->sb_pquotino);
to->sb_lsn = be64_to_cpu(from->sb_lsn);
+ /* Convert on-disk flags to in-memory flags? */
+ if (convert_xquota)
+ xfs_sb_quota_from_disk(to);
+}
+
+void
+xfs_sb_from_disk(
+ struct xfs_sb *to,
+ xfs_dsb_t *from)
+{
+ __xfs_sb_from_disk(to, from, true);
}
static inline void
if (!fields)
return;
+ /* We should never write the crc here, it's updated in the IO path */
+ fields &= ~XFS_SB_CRC;
+
xfs_sb_quota_to_disk(to, from, &fields);
while (fields) {
f = (xfs_sb_field_t)xfs_lowbit64((__uint64_t)fields);
struct xfs_mount *mp = bp->b_target->bt_mount;
struct xfs_sb sb;
- xfs_sb_from_disk(&sb, XFS_BUF_TO_SBP(bp));
+ /*
+ * Use call variant which doesn't convert quota flags from disk
+ * format, because xfs_mount_validate_sb checks the on-disk flags.
+ */
+ __xfs_sb_from_disk(&sb, XFS_BUF_TO_SBP(bp), false);
/*
* Only check the in progress field for the primary superblock as
#ifndef __XFS_SB_H__
#define __XFS_SB_H__
-/*
- * Super block
- * Fits into a sector-sized buffer at address 0 of each allocation group.
- * Only the first of these is ever updated except during growfs.
- */
-
-struct xfs_buf;
-struct xfs_mount;
-struct xfs_trans;
-
-#define XFS_SB_MAGIC 0x58465342 /* 'XFSB' */
-#define XFS_SB_VERSION_1 1 /* 5.3, 6.0.1, 6.1 */
-#define XFS_SB_VERSION_2 2 /* 6.2 - attributes */
-#define XFS_SB_VERSION_3 3 /* 6.2 - new inode version */
-#define XFS_SB_VERSION_4 4 /* 6.2+ - bitmask version */
-#define XFS_SB_VERSION_5 5 /* CRC enabled filesystem */
-#define XFS_SB_VERSION_NUMBITS 0x000f
-#define XFS_SB_VERSION_ALLFBITS 0xfff0
-#define XFS_SB_VERSION_ATTRBIT 0x0010
-#define XFS_SB_VERSION_NLINKBIT 0x0020
-#define XFS_SB_VERSION_QUOTABIT 0x0040
-#define XFS_SB_VERSION_ALIGNBIT 0x0080
-#define XFS_SB_VERSION_DALIGNBIT 0x0100
-#define XFS_SB_VERSION_SHAREDBIT 0x0200
-#define XFS_SB_VERSION_LOGV2BIT 0x0400
-#define XFS_SB_VERSION_SECTORBIT 0x0800
-#define XFS_SB_VERSION_EXTFLGBIT 0x1000
-#define XFS_SB_VERSION_DIRV2BIT 0x2000
-#define XFS_SB_VERSION_BORGBIT 0x4000 /* ASCII only case-insens. */
-#define XFS_SB_VERSION_MOREBITSBIT 0x8000
-
-/*
- * Supported feature bit list is just all bits in the versionnum field because
- * we've used them all up and understand them all. Except, of course, for the
- * shared superblock bit, which nobody knows what it does and so is unsupported.
- */
-#define XFS_SB_VERSION_OKBITS \
- ((XFS_SB_VERSION_NUMBITS | XFS_SB_VERSION_ALLFBITS) & \
- ~XFS_SB_VERSION_SHAREDBIT)
-
-/*
- * There are two words to hold XFS "feature" bits: the original
- * word, sb_versionnum, and sb_features2. Whenever a bit is set in
- * sb_features2, the feature bit XFS_SB_VERSION_MOREBITSBIT must be set.
- *
- * These defines represent bits in sb_features2.
- */
-#define XFS_SB_VERSION2_RESERVED1BIT 0x00000001
-#define XFS_SB_VERSION2_LAZYSBCOUNTBIT 0x00000002 /* Superblk counters */
-#define XFS_SB_VERSION2_RESERVED4BIT 0x00000004
-#define XFS_SB_VERSION2_ATTR2BIT 0x00000008 /* Inline attr rework */
-#define XFS_SB_VERSION2_PARENTBIT 0x00000010 /* parent pointers */
-#define XFS_SB_VERSION2_PROJID32BIT 0x00000080 /* 32 bit project id */
-#define XFS_SB_VERSION2_CRCBIT 0x00000100 /* metadata CRCs */
-#define XFS_SB_VERSION2_FTYPE 0x00000200 /* inode type in dir */
-
-#define XFS_SB_VERSION2_OKBITS \
- (XFS_SB_VERSION2_LAZYSBCOUNTBIT | \
- XFS_SB_VERSION2_ATTR2BIT | \
- XFS_SB_VERSION2_PROJID32BIT | \
- XFS_SB_VERSION2_FTYPE)
-
-/*
- * Superblock - in core version. Must match the ondisk version below.
- * Must be padded to 64 bit alignment.
- */
-typedef struct xfs_sb {
- __uint32_t sb_magicnum; /* magic number == XFS_SB_MAGIC */
- __uint32_t sb_blocksize; /* logical block size, bytes */
- xfs_drfsbno_t sb_dblocks; /* number of data blocks */
- xfs_drfsbno_t sb_rblocks; /* number of realtime blocks */
- xfs_drtbno_t sb_rextents; /* number of realtime extents */
- uuid_t sb_uuid; /* file system unique id */
- xfs_dfsbno_t sb_logstart; /* starting block of log if internal */
- xfs_ino_t sb_rootino; /* root inode number */
- xfs_ino_t sb_rbmino; /* bitmap inode for realtime extents */
- xfs_ino_t sb_rsumino; /* summary inode for rt bitmap */
- xfs_agblock_t sb_rextsize; /* realtime extent size, blocks */
- xfs_agblock_t sb_agblocks; /* size of an allocation group */
- xfs_agnumber_t sb_agcount; /* number of allocation groups */
- xfs_extlen_t sb_rbmblocks; /* number of rt bitmap blocks */
- xfs_extlen_t sb_logblocks; /* number of log blocks */
- __uint16_t sb_versionnum; /* header version == XFS_SB_VERSION */
- __uint16_t sb_sectsize; /* volume sector size, bytes */
- __uint16_t sb_inodesize; /* inode size, bytes */
- __uint16_t sb_inopblock; /* inodes per block */
- char sb_fname[12]; /* file system name */
- __uint8_t sb_blocklog; /* log2 of sb_blocksize */
- __uint8_t sb_sectlog; /* log2 of sb_sectsize */
- __uint8_t sb_inodelog; /* log2 of sb_inodesize */
- __uint8_t sb_inopblog; /* log2 of sb_inopblock */
- __uint8_t sb_agblklog; /* log2 of sb_agblocks (rounded up) */
- __uint8_t sb_rextslog; /* log2 of sb_rextents */
- __uint8_t sb_inprogress; /* mkfs is in progress, don't mount */
- __uint8_t sb_imax_pct; /* max % of fs for inode space */
- /* statistics */
- /*
- * These fields must remain contiguous. If you really
- * want to change their layout, make sure you fix the
- * code in xfs_trans_apply_sb_deltas().
- */
- __uint64_t sb_icount; /* allocated inodes */
- __uint64_t sb_ifree; /* free inodes */
- __uint64_t sb_fdblocks; /* free data blocks */
- __uint64_t sb_frextents; /* free realtime extents */
- /*
- * End contiguous fields.
- */
- xfs_ino_t sb_uquotino; /* user quota inode */
- xfs_ino_t sb_gquotino; /* group quota inode */
- __uint16_t sb_qflags; /* quota flags */
- __uint8_t sb_flags; /* misc. flags */
- __uint8_t sb_shared_vn; /* shared version number */
- xfs_extlen_t sb_inoalignmt; /* inode chunk alignment, fsblocks */
- __uint32_t sb_unit; /* stripe or raid unit */
- __uint32_t sb_width; /* stripe or raid width */
- __uint8_t sb_dirblklog; /* log2 of dir block size (fsbs) */
- __uint8_t sb_logsectlog; /* log2 of the log sector size */
- __uint16_t sb_logsectsize; /* sector size for the log, bytes */
- __uint32_t sb_logsunit; /* stripe unit size for the log */
- __uint32_t sb_features2; /* additional feature bits */
-
- /*
- * bad features2 field as a result of failing to pad the sb
- * structure to 64 bits. Some machines will be using this field
- * for features2 bits. Easiest just to mark it bad and not use
- * it for anything else.
- */
- __uint32_t sb_bad_features2;
-
- /* version 5 superblock fields start here */
-
- /* feature masks */
- __uint32_t sb_features_compat;
- __uint32_t sb_features_ro_compat;
- __uint32_t sb_features_incompat;
- __uint32_t sb_features_log_incompat;
-
- __uint32_t sb_crc; /* superblock crc */
- __uint32_t sb_pad;
-
- xfs_ino_t sb_pquotino; /* project quota inode */
- xfs_lsn_t sb_lsn; /* last write sequence */
-
- /* must be padded to 64 bit alignment */
-} xfs_sb_t;
-
-#define XFS_SB_CRC_OFF offsetof(struct xfs_sb, sb_crc)
-
-/*
- * Superblock - on disk version. Must match the in core version above.
- * Must be padded to 64 bit alignment.
- */
-typedef struct xfs_dsb {
- __be32 sb_magicnum; /* magic number == XFS_SB_MAGIC */
- __be32 sb_blocksize; /* logical block size, bytes */
- __be64 sb_dblocks; /* number of data blocks */
- __be64 sb_rblocks; /* number of realtime blocks */
- __be64 sb_rextents; /* number of realtime extents */
- uuid_t sb_uuid; /* file system unique id */
- __be64 sb_logstart; /* starting block of log if internal */
- __be64 sb_rootino; /* root inode number */
- __be64 sb_rbmino; /* bitmap inode for realtime extents */
- __be64 sb_rsumino; /* summary inode for rt bitmap */
- __be32 sb_rextsize; /* realtime extent size, blocks */
- __be32 sb_agblocks; /* size of an allocation group */
- __be32 sb_agcount; /* number of allocation groups */
- __be32 sb_rbmblocks; /* number of rt bitmap blocks */
- __be32 sb_logblocks; /* number of log blocks */
- __be16 sb_versionnum; /* header version == XFS_SB_VERSION */
- __be16 sb_sectsize; /* volume sector size, bytes */
- __be16 sb_inodesize; /* inode size, bytes */
- __be16 sb_inopblock; /* inodes per block */
- char sb_fname[12]; /* file system name */
- __u8 sb_blocklog; /* log2 of sb_blocksize */
- __u8 sb_sectlog; /* log2 of sb_sectsize */
- __u8 sb_inodelog; /* log2 of sb_inodesize */
- __u8 sb_inopblog; /* log2 of sb_inopblock */
- __u8 sb_agblklog; /* log2 of sb_agblocks (rounded up) */
- __u8 sb_rextslog; /* log2 of sb_rextents */
- __u8 sb_inprogress; /* mkfs is in progress, don't mount */
- __u8 sb_imax_pct; /* max % of fs for inode space */
- /* statistics */
- /*
- * These fields must remain contiguous. If you really
- * want to change their layout, make sure you fix the
- * code in xfs_trans_apply_sb_deltas().
- */
- __be64 sb_icount; /* allocated inodes */
- __be64 sb_ifree; /* free inodes */
- __be64 sb_fdblocks; /* free data blocks */
- __be64 sb_frextents; /* free realtime extents */
- /*
- * End contiguous fields.
- */
- __be64 sb_uquotino; /* user quota inode */
- __be64 sb_gquotino; /* group quota inode */
- __be16 sb_qflags; /* quota flags */
- __u8 sb_flags; /* misc. flags */
- __u8 sb_shared_vn; /* shared version number */
- __be32 sb_inoalignmt; /* inode chunk alignment, fsblocks */
- __be32 sb_unit; /* stripe or raid unit */
- __be32 sb_width; /* stripe or raid width */
- __u8 sb_dirblklog; /* log2 of dir block size (fsbs) */
- __u8 sb_logsectlog; /* log2 of the log sector size */
- __be16 sb_logsectsize; /* sector size for the log, bytes */
- __be32 sb_logsunit; /* stripe unit size for the log */
- __be32 sb_features2; /* additional feature bits */
- /*
- * bad features2 field as a result of failing to pad the sb
- * structure to 64 bits. Some machines will be using this field
- * for features2 bits. Easiest just to mark it bad and not use
- * it for anything else.
- */
- __be32 sb_bad_features2;
-
- /* version 5 superblock fields start here */
-
- /* feature masks */
- __be32 sb_features_compat;
- __be32 sb_features_ro_compat;
- __be32 sb_features_incompat;
- __be32 sb_features_log_incompat;
-
- __le32 sb_crc; /* superblock crc */
- __be32 sb_pad;
-
- __be64 sb_pquotino; /* project quota inode */
- __be64 sb_lsn; /* last write sequence */
-
- /* must be padded to 64 bit alignment */
-} xfs_dsb_t;
-
-/*
- * Sequence number values for the fields.
- */
-typedef enum {
- XFS_SBS_MAGICNUM, XFS_SBS_BLOCKSIZE, XFS_SBS_DBLOCKS, XFS_SBS_RBLOCKS,
- XFS_SBS_REXTENTS, XFS_SBS_UUID, XFS_SBS_LOGSTART, XFS_SBS_ROOTINO,
- XFS_SBS_RBMINO, XFS_SBS_RSUMINO, XFS_SBS_REXTSIZE, XFS_SBS_AGBLOCKS,
- XFS_SBS_AGCOUNT, XFS_SBS_RBMBLOCKS, XFS_SBS_LOGBLOCKS,
- XFS_SBS_VERSIONNUM, XFS_SBS_SECTSIZE, XFS_SBS_INODESIZE,
- XFS_SBS_INOPBLOCK, XFS_SBS_FNAME, XFS_SBS_BLOCKLOG,
- XFS_SBS_SECTLOG, XFS_SBS_INODELOG, XFS_SBS_INOPBLOG, XFS_SBS_AGBLKLOG,
- XFS_SBS_REXTSLOG, XFS_SBS_INPROGRESS, XFS_SBS_IMAX_PCT, XFS_SBS_ICOUNT,
- XFS_SBS_IFREE, XFS_SBS_FDBLOCKS, XFS_SBS_FREXTENTS, XFS_SBS_UQUOTINO,
- XFS_SBS_GQUOTINO, XFS_SBS_QFLAGS, XFS_SBS_FLAGS, XFS_SBS_SHARED_VN,
- XFS_SBS_INOALIGNMT, XFS_SBS_UNIT, XFS_SBS_WIDTH, XFS_SBS_DIRBLKLOG,
- XFS_SBS_LOGSECTLOG, XFS_SBS_LOGSECTSIZE, XFS_SBS_LOGSUNIT,
- XFS_SBS_FEATURES2, XFS_SBS_BAD_FEATURES2, XFS_SBS_FEATURES_COMPAT,
- XFS_SBS_FEATURES_RO_COMPAT, XFS_SBS_FEATURES_INCOMPAT,
- XFS_SBS_FEATURES_LOG_INCOMPAT, XFS_SBS_CRC, XFS_SBS_PAD,
- XFS_SBS_PQUOTINO, XFS_SBS_LSN,
- XFS_SBS_FIELDCOUNT
-} xfs_sb_field_t;
-
-/*
- * Mask values, defined based on the xfs_sb_field_t values.
- * Only define the ones we're using.
- */
-#define XFS_SB_MVAL(x) (1LL << XFS_SBS_ ## x)
-#define XFS_SB_UUID XFS_SB_MVAL(UUID)
-#define XFS_SB_FNAME XFS_SB_MVAL(FNAME)
-#define XFS_SB_ROOTINO XFS_SB_MVAL(ROOTINO)
-#define XFS_SB_RBMINO XFS_SB_MVAL(RBMINO)
-#define XFS_SB_RSUMINO XFS_SB_MVAL(RSUMINO)
-#define XFS_SB_VERSIONNUM XFS_SB_MVAL(VERSIONNUM)
-#define XFS_SB_UQUOTINO XFS_SB_MVAL(UQUOTINO)
-#define XFS_SB_GQUOTINO XFS_SB_MVAL(GQUOTINO)
-#define XFS_SB_QFLAGS XFS_SB_MVAL(QFLAGS)
-#define XFS_SB_SHARED_VN XFS_SB_MVAL(SHARED_VN)
-#define XFS_SB_UNIT XFS_SB_MVAL(UNIT)
-#define XFS_SB_WIDTH XFS_SB_MVAL(WIDTH)
-#define XFS_SB_ICOUNT XFS_SB_MVAL(ICOUNT)
-#define XFS_SB_IFREE XFS_SB_MVAL(IFREE)
-#define XFS_SB_FDBLOCKS XFS_SB_MVAL(FDBLOCKS)
-#define XFS_SB_FEATURES2 XFS_SB_MVAL(FEATURES2)
-#define XFS_SB_BAD_FEATURES2 XFS_SB_MVAL(BAD_FEATURES2)
-#define XFS_SB_FEATURES_COMPAT XFS_SB_MVAL(FEATURES_COMPAT)
-#define XFS_SB_FEATURES_RO_COMPAT XFS_SB_MVAL(FEATURES_RO_COMPAT)
-#define XFS_SB_FEATURES_INCOMPAT XFS_SB_MVAL(FEATURES_INCOMPAT)
-#define XFS_SB_FEATURES_LOG_INCOMPAT XFS_SB_MVAL(FEATURES_LOG_INCOMPAT)
-#define XFS_SB_CRC XFS_SB_MVAL(CRC)
-#define XFS_SB_PQUOTINO XFS_SB_MVAL(PQUOTINO)
-#define XFS_SB_NUM_BITS ((int)XFS_SBS_FIELDCOUNT)
-#define XFS_SB_ALL_BITS ((1LL << XFS_SB_NUM_BITS) - 1)
-#define XFS_SB_MOD_BITS \
- (XFS_SB_UUID | XFS_SB_ROOTINO | XFS_SB_RBMINO | XFS_SB_RSUMINO | \
- XFS_SB_VERSIONNUM | XFS_SB_UQUOTINO | XFS_SB_GQUOTINO | \
- XFS_SB_QFLAGS | XFS_SB_SHARED_VN | XFS_SB_UNIT | XFS_SB_WIDTH | \
- XFS_SB_ICOUNT | XFS_SB_IFREE | XFS_SB_FDBLOCKS | XFS_SB_FEATURES2 | \
- XFS_SB_BAD_FEATURES2 | XFS_SB_FEATURES_COMPAT | \
- XFS_SB_FEATURES_RO_COMPAT | XFS_SB_FEATURES_INCOMPAT | \
- XFS_SB_FEATURES_LOG_INCOMPAT | XFS_SB_PQUOTINO)
-
-
-/*
- * Misc. Flags - warning - these will be cleared by xfs_repair unless
- * a feature bit is set when the flag is used.
- */
-#define XFS_SBF_NOFLAGS 0x00 /* no flags set */
-#define XFS_SBF_READONLY 0x01 /* only read-only mounts allowed */
-
-/*
- * define max. shared version we can interoperate with
- */
-#define XFS_SB_MAX_SHARED_VN 0
-
-#define XFS_SB_VERSION_NUM(sbp) ((sbp)->sb_versionnum & XFS_SB_VERSION_NUMBITS)
-
-/*
- * The first XFS version we support is a v4 superblock with V2 directories.
- */
-static inline bool xfs_sb_good_v4_features(struct xfs_sb *sbp)
-{
- if (!(sbp->sb_versionnum & XFS_SB_VERSION_DIRV2BIT))
- return false;
-
- /* check for unknown features in the fs */
- if ((sbp->sb_versionnum & ~XFS_SB_VERSION_OKBITS) ||
- ((sbp->sb_versionnum & XFS_SB_VERSION_MOREBITSBIT) &&
- (sbp->sb_features2 & ~XFS_SB_VERSION2_OKBITS)))
- return false;
-
- return true;
-}
-
-static inline bool xfs_sb_good_version(struct xfs_sb *sbp)
-{
- if (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5)
- return true;
- if (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4)
- return xfs_sb_good_v4_features(sbp);
- return false;
-}
-
-/*
- * Detect a mismatched features2 field. Older kernels read/wrote
- * this into the wrong slot, so to be safe we keep them in sync.
- */
-static inline bool xfs_sb_has_mismatched_features2(struct xfs_sb *sbp)
-{
- return sbp->sb_bad_features2 != sbp->sb_features2;
-}
-
-static inline bool xfs_sb_version_hasattr(struct xfs_sb *sbp)
-{
- return (sbp->sb_versionnum & XFS_SB_VERSION_ATTRBIT);
-}
-
-static inline void xfs_sb_version_addattr(struct xfs_sb *sbp)
-{
- sbp->sb_versionnum |= XFS_SB_VERSION_ATTRBIT;
-}
-
-static inline bool xfs_sb_version_hasquota(struct xfs_sb *sbp)
-{
- return (sbp->sb_versionnum & XFS_SB_VERSION_QUOTABIT);
-}
-
-static inline void xfs_sb_version_addquota(struct xfs_sb *sbp)
-{
- sbp->sb_versionnum |= XFS_SB_VERSION_QUOTABIT;
-}
-
-static inline bool xfs_sb_version_hasalign(struct xfs_sb *sbp)
-{
- return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 ||
- (sbp->sb_versionnum & XFS_SB_VERSION_ALIGNBIT));
-}
-
-static inline bool xfs_sb_version_hasdalign(struct xfs_sb *sbp)
-{
- return (sbp->sb_versionnum & XFS_SB_VERSION_DALIGNBIT);
-}
-
-static inline bool xfs_sb_version_haslogv2(struct xfs_sb *sbp)
-{
- return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 ||
- (sbp->sb_versionnum & XFS_SB_VERSION_LOGV2BIT);
-}
-
-static inline bool xfs_sb_version_hasextflgbit(struct xfs_sb *sbp)
-{
- return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 ||
- (sbp->sb_versionnum & XFS_SB_VERSION_EXTFLGBIT);
-}
-
-static inline bool xfs_sb_version_hassector(struct xfs_sb *sbp)
-{
- return (sbp->sb_versionnum & XFS_SB_VERSION_SECTORBIT);
-}
-
-static inline bool xfs_sb_version_hasasciici(struct xfs_sb *sbp)
-{
- return (sbp->sb_versionnum & XFS_SB_VERSION_BORGBIT);
-}
-
-static inline bool xfs_sb_version_hasmorebits(struct xfs_sb *sbp)
-{
- return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 ||
- (sbp->sb_versionnum & XFS_SB_VERSION_MOREBITSBIT);
-}
-
-/*
- * sb_features2 bit version macros.
- */
-static inline bool xfs_sb_version_haslazysbcount(struct xfs_sb *sbp)
-{
- return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) ||
- (xfs_sb_version_hasmorebits(sbp) &&
- (sbp->sb_features2 & XFS_SB_VERSION2_LAZYSBCOUNTBIT));
-}
-
-static inline bool xfs_sb_version_hasattr2(struct xfs_sb *sbp)
-{
- return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) ||
- (xfs_sb_version_hasmorebits(sbp) &&
- (sbp->sb_features2 & XFS_SB_VERSION2_ATTR2BIT));
-}
-
-static inline void xfs_sb_version_addattr2(struct xfs_sb *sbp)
-{
- sbp->sb_versionnum |= XFS_SB_VERSION_MOREBITSBIT;
- sbp->sb_features2 |= XFS_SB_VERSION2_ATTR2BIT;
- sbp->sb_bad_features2 |= XFS_SB_VERSION2_ATTR2BIT;
-}
-
-static inline void xfs_sb_version_removeattr2(struct xfs_sb *sbp)
-{
- sbp->sb_features2 &= ~XFS_SB_VERSION2_ATTR2BIT;
- sbp->sb_bad_features2 &= ~XFS_SB_VERSION2_ATTR2BIT;
- if (!sbp->sb_features2)
- sbp->sb_versionnum &= ~XFS_SB_VERSION_MOREBITSBIT;
-}
-
-static inline bool xfs_sb_version_hasprojid32bit(struct xfs_sb *sbp)
-{
- return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) ||
- (xfs_sb_version_hasmorebits(sbp) &&
- (sbp->sb_features2 & XFS_SB_VERSION2_PROJID32BIT));
-}
-
-static inline void xfs_sb_version_addprojid32bit(struct xfs_sb *sbp)
-{
- sbp->sb_versionnum |= XFS_SB_VERSION_MOREBITSBIT;
- sbp->sb_features2 |= XFS_SB_VERSION2_PROJID32BIT;
- sbp->sb_bad_features2 |= XFS_SB_VERSION2_PROJID32BIT;
-}
-
-/*
- * Extended v5 superblock feature masks. These are to be used for new v5
- * superblock features only.
- *
- * Compat features are new features that old kernels will not notice or affect
- * and so can mount read-write without issues.
- *
- * RO-Compat (read only) are features that old kernels can read but will break
- * if they write. Hence only read-only mounts of such filesystems are allowed on
- * kernels that don't support the feature bit.
- *
- * InCompat features are features which old kernels will not understand and so
- * must not mount.
- *
- * Log-InCompat features are for changes to log formats or new transactions that
- * can't be replayed on older kernels. The fields are set when the filesystem is
- * mounted, and a clean unmount clears the fields.
- */
-#define XFS_SB_FEAT_COMPAT_ALL 0
-#define XFS_SB_FEAT_COMPAT_UNKNOWN ~XFS_SB_FEAT_COMPAT_ALL
-static inline bool
-xfs_sb_has_compat_feature(
- struct xfs_sb *sbp,
- __uint32_t feature)
-{
- return (sbp->sb_features_compat & feature) != 0;
-}
-
-#define XFS_SB_FEAT_RO_COMPAT_FINOBT (1 << 0) /* free inode btree */
-#define XFS_SB_FEAT_RO_COMPAT_ALL \
- (XFS_SB_FEAT_RO_COMPAT_FINOBT)
-#define XFS_SB_FEAT_RO_COMPAT_UNKNOWN ~XFS_SB_FEAT_RO_COMPAT_ALL
-static inline bool
-xfs_sb_has_ro_compat_feature(
- struct xfs_sb *sbp,
- __uint32_t feature)
-{
- return (sbp->sb_features_ro_compat & feature) != 0;
-}
-
-#define XFS_SB_FEAT_INCOMPAT_FTYPE (1 << 0) /* filetype in dirent */
-#define XFS_SB_FEAT_INCOMPAT_ALL \
- (XFS_SB_FEAT_INCOMPAT_FTYPE)
-
-#define XFS_SB_FEAT_INCOMPAT_UNKNOWN ~XFS_SB_FEAT_INCOMPAT_ALL
-static inline bool
-xfs_sb_has_incompat_feature(
- struct xfs_sb *sbp,
- __uint32_t feature)
-{
- return (sbp->sb_features_incompat & feature) != 0;
-}
-
-#define XFS_SB_FEAT_INCOMPAT_LOG_ALL 0
-#define XFS_SB_FEAT_INCOMPAT_LOG_UNKNOWN ~XFS_SB_FEAT_INCOMPAT_LOG_ALL
-static inline bool
-xfs_sb_has_incompat_log_feature(
- struct xfs_sb *sbp,
- __uint32_t feature)
-{
- return (sbp->sb_features_log_incompat & feature) != 0;
-}
-
-/*
- * V5 superblock specific feature checks
- */
-static inline int xfs_sb_version_hascrc(struct xfs_sb *sbp)
-{
- return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5;
-}
-
-static inline int xfs_sb_version_has_pquotino(struct xfs_sb *sbp)
-{
- return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5;
-}
-
-static inline int xfs_sb_version_hasftype(struct xfs_sb *sbp)
-{
- return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 &&
- xfs_sb_has_incompat_feature(sbp, XFS_SB_FEAT_INCOMPAT_FTYPE)) ||
- (xfs_sb_version_hasmorebits(sbp) &&
- (sbp->sb_features2 & XFS_SB_VERSION2_FTYPE));
-}
-
-static inline int xfs_sb_version_hasfinobt(xfs_sb_t *sbp)
-{
- return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) &&
- (sbp->sb_features_ro_compat & XFS_SB_FEAT_RO_COMPAT_FINOBT);
-}
-
-/*
- * end of superblock version macros
- */
-
-static inline bool
-xfs_is_quota_inode(struct xfs_sb *sbp, xfs_ino_t ino)
-{
- return (ino == sbp->sb_uquotino ||
- ino == sbp->sb_gquotino ||
- ino == sbp->sb_pquotino);
-}
-
-#define XFS_SB_DADDR ((xfs_daddr_t)0) /* daddr in filesystem/ag */
-#define XFS_SB_BLOCK(mp) XFS_HDR_BLOCK(mp, XFS_SB_DADDR)
-#define XFS_BUF_TO_SBP(bp) ((xfs_dsb_t *)((bp)->b_addr))
-
-#define XFS_HDR_BLOCK(mp,d) ((xfs_agblock_t)XFS_BB_TO_FSBT(mp,d))
-#define XFS_DADDR_TO_FSB(mp,d) XFS_AGB_TO_FSB(mp, \
- xfs_daddr_to_agno(mp,d), xfs_daddr_to_agbno(mp,d))
-#define XFS_FSB_TO_DADDR(mp,fsbno) XFS_AGB_TO_DADDR(mp, \
- XFS_FSB_TO_AGNO(mp,fsbno), XFS_FSB_TO_AGBNO(mp,fsbno))
-
-/*
- * File system sector to basic block conversions.
- */
-#define XFS_FSS_TO_BB(mp,sec) ((sec) << (mp)->m_sectbb_log)
-
-/*
- * File system block to basic block conversions.
- */
-#define XFS_FSB_TO_BB(mp,fsbno) ((fsbno) << (mp)->m_blkbb_log)
-#define XFS_BB_TO_FSB(mp,bb) \
- (((bb) + (XFS_FSB_TO_BB(mp,1) - 1)) >> (mp)->m_blkbb_log)
-#define XFS_BB_TO_FSBT(mp,bb) ((bb) >> (mp)->m_blkbb_log)
-
-/*
- * File system block to byte conversions.
- */
-#define XFS_FSB_TO_B(mp,fsbno) ((xfs_fsize_t)(fsbno) << (mp)->m_sb.sb_blocklog)
-#define XFS_B_TO_FSB(mp,b) \
- ((((__uint64_t)(b)) + (mp)->m_blockmask) >> (mp)->m_sb.sb_blocklog)
-#define XFS_B_TO_FSBT(mp,b) (((__uint64_t)(b)) >> (mp)->m_sb.sb_blocklog)
-#define XFS_B_FSB_OFFSET(mp,b) ((b) & (mp)->m_blockmask)
-
/*
* perag get/put wrappers for ref counting
*/
typedef __uint32_t xfs_dablk_t; /* dir/attr block number (in file) */
typedef __uint32_t xfs_dahash_t; /* dir/attr hash value */
-/*
- * These types are 64 bits on disk but are either 32 or 64 bits in memory.
- * Disk based types:
- */
-typedef __uint64_t xfs_dfsbno_t; /* blockno in filesystem (agno|agbno) */
-typedef __uint64_t xfs_drfsbno_t; /* blockno in filesystem (raw) */
-typedef __uint64_t xfs_drtbno_t; /* extent (block) in realtime area */
-typedef __uint64_t xfs_dfiloff_t; /* block number in a file */
-typedef __uint64_t xfs_dfilblks_t; /* number of blocks in a file */
-
-/*
- * Memory based types are conditional.
- */
-#if XFS_BIG_BLKNOS
typedef __uint64_t xfs_fsblock_t; /* blockno in filesystem (agno|agbno) */
typedef __uint64_t xfs_rfsblock_t; /* blockno in filesystem (raw) */
typedef __uint64_t xfs_rtblock_t; /* extent (block) in realtime area */
-typedef __int64_t xfs_srtblock_t; /* signed version of xfs_rtblock_t */
-#else
-typedef __uint32_t xfs_fsblock_t; /* blockno in filesystem (agno|agbno) */
-typedef __uint32_t xfs_rfsblock_t; /* blockno in filesystem (raw) */
-typedef __uint32_t xfs_rtblock_t; /* extent (block) in realtime area */
-typedef __int32_t xfs_srtblock_t; /* signed version of xfs_rtblock_t */
-#endif
typedef __uint64_t xfs_fileoff_t; /* block number in a file */
-typedef __int64_t xfs_sfiloff_t; /* signed block number in a file */
typedef __uint64_t xfs_filblks_t; /* number of blocks in a file */
+typedef __int64_t xfs_srtblock_t; /* signed version of xfs_rtblock_t */
+typedef __int64_t xfs_sfiloff_t; /* signed block number in a file */
/*
* Null values for the types.
*/
-#define NULLDFSBNO ((xfs_dfsbno_t)-1)
-#define NULLDRFSBNO ((xfs_drfsbno_t)-1)
-#define NULLDRTBNO ((xfs_drtbno_t)-1)
-#define NULLDFILOFF ((xfs_dfiloff_t)-1)
-
#define NULLFSBLOCK ((xfs_fsblock_t)-1)
#define NULLRFSBLOCK ((xfs_rfsblock_t)-1)
#define NULLRTBLOCK ((xfs_rtblock_t)-1)
rtinit(
xfs_mount_t *mp)
{
- xfs_dfiloff_t bno;
+ xfs_fileoff_t bno;
int committed;
- xfs_dfiloff_t ebno;
+ xfs_fileoff_t ebno;
xfs_bmbt_irec_t *ep;
int error;
xfs_fsblock_t first;
/*
* Use this macro before we have superblock and mount structure
*/
-#define DTOBT(d) ((xfs_drfsbno_t)((d) >> (blocklog - BBSHIFT)))
+#define DTOBT(d) ((xfs_rfsblock_t)((d) >> (blocklog - BBSHIFT)))
/*
* Use this for block reservations needed for mkfs's conditions
fixup_log_stripe_unit(
int lsflag,
int sunit,
- xfs_drfsbno_t *logblocks,
+ xfs_rfsblock_t *logblocks,
int blocklog)
{
__uint64_t tmp_logblocks;
}
}
-static xfs_dfsbno_t
+static xfs_fsblock_t
fixup_internal_log_stripe(
xfs_mount_t *mp,
int lsflag,
- xfs_dfsbno_t logstart,
+ xfs_fsblock_t logstart,
__uint64_t agsize,
int sunit,
- xfs_drfsbno_t *logblocks,
+ xfs_rfsblock_t *logblocks,
int blocklog,
int *lalign)
{
int c;
int daflag;
int dasize;
- xfs_drfsbno_t dblocks;
+ xfs_rfsblock_t dblocks;
char *dfile;
int dirblocklog;
int dirblocksize;
int ldflag;
int liflag;
xfs_agnumber_t logagno;
- xfs_drfsbno_t logblocks;
+ xfs_rfsblock_t logblocks;
char *logfile;
int loginternal;
char *logsize;
- xfs_dfsbno_t logstart;
+ xfs_fsblock_t logstart;
int logversion;
int lvflag;
int lsflag;
char *protofile;
char *protostring;
int qflag;
- xfs_drfsbno_t rtblocks;
+ xfs_rfsblock_t rtblocks;
xfs_extlen_t rtextblocks;
- xfs_drtbno_t rtextents;
+ xfs_rtblock_t rtextents;
char *rtextsize;
char *rtfile;
char *rtsize;
(long long)dbytes, XFS_MIN_BLOCKSIZE);
usage();
}
- dblocks = (xfs_drfsbno_t)(dbytes >> blocklog);
+ dblocks = (xfs_rfsblock_t)(dbytes >> blocklog);
if (dbytes % blocksize)
fprintf(stderr, _("warning: "
"data length %lld not a multiple of %d, truncated to %lld\n"),
(long long)logbytes, XFS_MIN_BLOCKSIZE);
usage();
}
- logblocks = (xfs_drfsbno_t)(logbytes >> blocklog);
+ logblocks = (xfs_rfsblock_t)(logbytes >> blocklog);
if (logbytes % blocksize)
fprintf(stderr,
_("warning: log length %lld not a multiple of %d, truncated to %lld\n"),
(long long)rtbytes, XFS_MIN_BLOCKSIZE);
usage();
}
- rtblocks = (xfs_drfsbno_t)(rtbytes >> blocklog);
+ rtblocks = (xfs_rfsblock_t)(rtbytes >> blocklog);
if (rtbytes % blocksize)
fprintf(stderr,
_("warning: rt length %lld not a multiple of %d, truncated to %lld\n"),
if ( dblocks % agsize != 0 &&
(dblocks % agsize <
XFS_AG_MIN_BLOCKS(blocklog))) {
- dblocks = (xfs_drfsbno_t)((agcount - 1) * agsize);
+ dblocks = (xfs_rfsblock_t)((agcount - 1) * agsize);
agcount--;
ASSERT(agcount != 0);
}
if ( dblocks % agsize != 0 &&
(dblocks % agsize < XFS_AG_MIN_BLOCKS(blocklog))) {
ASSERT(!daflag);
- dblocks = (xfs_drfsbno_t)((agcount - 1) * agsize);
+ dblocks = (xfs_rfsblock_t)((agcount - 1) * agsize);
agcount--;
ASSERT(agcount != 0);
}
agf = XFS_BUF_TO_AGF(buf);
memset(agf, 0, sectorsize);
if (agno == agcount - 1)
- agsize = dblocks - (xfs_drfsbno_t)(agno * agsize);
+ agsize = dblocks - (xfs_rfsblock_t)(agno * agsize);
agf->agf_magicnum = cpu_to_be32(XFS_AGF_MAGIC);
agf->agf_versionnum = cpu_to_be32(XFS_AGF_VERSION);
agf->agf_seqno = cpu_to_be32(agno);
#: .././repair/scan.c:421
#, c-format
msgid ""
-"bad fwd (right) sibling pointer (saw %llu should be NULLDFSBNO)\n"
+"bad fwd (right) sibling pointer (saw %llu should be NULLFSBLOCK)\n"
"\tin inode %llu (%s fork) bmap btree block %llu\n"
msgstr ""
-"falscher fwd (rechts) Geschwisterzeiger (%llu gesehen könnte NULLDFSBNO\n"
+"falscher fwd (rechts) Geschwisterzeiger (%llu gesehen könnte NULLFSBLOCK\n"
"\tsein) in Inode %llu (%s Unterelement) »bmap btree«-Block %llu\n"
#: .././repair/scan.c:460
#: .././repair/dinode.c:1302
#, c-format
-msgid "bad fwd (right) sibling pointer (saw %llu should be NULLDFSBNO)\n"
+msgid "bad fwd (right) sibling pointer (saw %llu should be NULLFSBLOCK)\n"
msgstr ""
-"falscher fwd (rechts) Geschwisterzeiger (%llu gesehen könnte NULLDFSBNO\n"
+"falscher fwd (rechts) Geschwisterzeiger (%llu gesehen könnte NULLFSBLOCK\n"
"sein)\n"
#: .././repair/dinode.c:1305
#: .././repair/dinode.c:1039
#, c-format
-msgid "bad fwd (right) sibling pointer (saw %<PRIu64> should be NULLDFSBNO)\n"
-msgstr "błędny wskaźnik fwd (prawy) (widziano %<PRIu64>, powinno być NULLDFSBNO)\n"
+msgid "bad fwd (right) sibling pointer (saw %<PRIu64> should be NULLFSBLOCK)\n"
+msgstr "błędny wskaźnik fwd (prawy) (widziano %<PRIu64>, powinno być NULLFSBLOCK)\n"
#: .././repair/dinode.c:1042
#, c-format
#: .././repair/scan.c:487
#, c-format
msgid ""
-"bad fwd (right) sibling pointer (saw %<PRIu64> should be NULLDFSBNO)\n"
+"bad fwd (right) sibling pointer (saw %<PRIu64> should be NULLFSBLOCK)\n"
"\tin inode %<PRIu64> (%s fork) bmap btree block %<PRIu64>\n"
msgstr ""
-"błędny wskaźnik w przód (prawy) (widziano %<PRIu64>, powinien być NULLDFSBNO)\n"
+"błędny wskaźnik w przód (prawy) (widziano %<PRIu64>, powinien być NULLFSBLOCK)\n"
"\tw i-węźle %<PRIu64> (gałęzi %s) bloku bmap btree %<PRIu64>\n"
#: .././repair/scan.c:545
static int
verify_set_agf(xfs_mount_t *mp, xfs_agf_t *agf, xfs_agnumber_t i)
{
- xfs_drfsbno_t agblocks;
+ xfs_rfsblock_t agblocks;
int retval = 0;
/* check common fields */
cpu_to_be32(mp->m_sb.sb_agblocks);
} else {
agblocks = mp->m_sb.sb_dblocks -
- (xfs_drfsbno_t) mp->m_sb.sb_agblocks * i;
+ (xfs_rfsblock_t) mp->m_sb.sb_agblocks * i;
if (be32_to_cpu(agf->agf_length) != agblocks) {
retval = XR_AG_AGF;
static int
verify_set_agi(xfs_mount_t *mp, xfs_agi_t *agi, xfs_agnumber_t agno)
{
- xfs_drfsbno_t agblocks;
+ xfs_rfsblock_t agblocks;
int retval = 0;
/* check common fields */
cpu_to_be32(mp->m_sb.sb_agblocks);
} else {
agblocks = mp->m_sb.sb_dblocks -
- (xfs_drfsbno_t) mp->m_sb.sb_agblocks * agno;
+ (xfs_rfsblock_t) mp->m_sb.sb_agblocks * agno;
if (be32_to_cpu(agi->agi_length) != agblocks) {
retval = XR_AG_AGI;
* these types should match the superblock types
*/
__uint32_t sb_blocksize; /* blocksize (bytes) */
- xfs_drfsbno_t sb_dblocks; /* # data blocks */
- xfs_drfsbno_t sb_rblocks; /* # realtime blocks */
- xfs_drtbno_t sb_rextents; /* # realtime extents */
+ xfs_rfsblock_t sb_dblocks; /* # data blocks */
+ xfs_rfsblock_t sb_rblocks; /* # realtime blocks */
+ xfs_rtblock_t sb_rextents; /* # realtime extents */
uuid_t sb_uuid; /* fs uuid */
- xfs_dfsbno_t sb_logstart; /* starting log block # */
+ xfs_fsblock_t sb_logstart; /* starting log block # */
xfs_agblock_t sb_rextsize; /* realtime extent size (blocks )*/
xfs_agblock_t sb_agblocks; /* # of blocks per ag */
xfs_agnumber_t sb_agcount; /* # of ags */
xfs_dablk_t bno;
int i;
xfs_da_intnode_t *node;
- xfs_dfsbno_t fsbno;
+ xfs_fsblock_t fsbno;
xfs_buf_t *bp;
struct xfs_da_node_entry *btree;
struct xfs_da3_icnode_hdr nodehdr;
*/
fsbno = blkmap_get(da_cursor->blkmap, bno);
- if (fsbno == NULLDFSBNO)
+ if (fsbno == NULLFSBLOCK)
goto error_out;
bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, fsbno),
{
xfs_da_intnode_t *node;
xfs_da_intnode_t *newnode;
- xfs_dfsbno_t fsbno;
+ xfs_fsblock_t fsbno;
xfs_dablk_t dabno;
xfs_buf_t *bp;
int bad;
ASSERT(dabno != 0);
fsbno = blkmap_get(cursor->blkmap, dabno);
- if (fsbno == NULLDFSBNO) {
+ if (fsbno == NULLFSBLOCK) {
do_warn(_("can't get map info for block %u "
"of directory inode %" PRIu64 "\n"),
dabno, cursor->ino);
rmtval_get(xfs_mount_t *mp, xfs_ino_t ino, blkmap_t *blkmap,
xfs_dablk_t blocknum, int valuelen, char* value)
{
- xfs_dfsbno_t bno;
+ xfs_fsblock_t bno;
xfs_buf_t *bp;
int clearit = 0, i = 0, length = 0, amountdone = 0;
int hdrsize = 0;
/* Note that valuelen is not a multiple of blocksize */
while (amountdone < valuelen) {
bno = blkmap_get(blkmap, blocknum + i);
- if (bno == NULLDFSBNO) {
+ if (bno == NULLFSBLOCK) {
do_warn(
_("remote block for attributes of inode %" PRIu64 " is missing\n"), ino);
clearit = 1;
xfs_attr_leafblock_t *leaf;
xfs_buf_t *bp;
xfs_ino_t ino;
- xfs_dfsbno_t dev_bno;
+ xfs_fsblock_t dev_bno;
xfs_dablk_t da_bno;
xfs_dablk_t prev_bno;
xfs_dahash_t current_hashval = 0;
*/
ASSERT(da_bno != 0);
- if (dev_bno == NULLDFSBNO) {
+ if (dev_bno == NULLFSBLOCK) {
do_warn(
_("can't map block %u for attribute fork for inode %" PRIu64 "\n"),
da_bno, ino);
int *repair) /* out - 1 if something was fixed */
{
xfs_attr_leafblock_t *leaf;
- xfs_dfsbno_t bno;
+ xfs_fsblock_t bno;
xfs_buf_t *bp;
xfs_dahash_t next_hashval;
int repairlinks = 0;
bno = blkmap_get(blkmap, 0);
- if ( bno == NULLDFSBNO ) {
+ if ( bno == NULLFSBLOCK ) {
if (dip->di_aformat == XFS_DINODE_FMT_EXTENTS &&
be16_to_cpu(dip->di_anextents) == 0)
return(0); /* the kernel can handle this state */
struct xfs_icacl_entry acl_entry[0];
};
-struct xfs_acl_entry {
- __be32 ae_tag;
- __be32 ae_id;
- __be16 ae_perm;
- __be16 ae_pad;
-};
-
-struct xfs_acl {
- __be32 acl_cnt;
- struct xfs_acl_entry acl_entry[0];
-};
-
-/*
- * The number of ACL entries allowed is defined by the on-disk format.
- * For v4 superblocks, that is limited to 25 entries. For v5 superblocks, it is
- * limited only by the maximum size of the xattr that stores the information.
- */
-#define XFS_ACL_MAX_ENTRIES(mp) \
- (xfs_sb_version_hascrc(&mp->m_sb) \
- ? (XATTR_SIZE_MAX - sizeof(struct xfs_acl)) / \
- sizeof(struct xfs_acl_entry) \
- : 25)
-
-#define XFS_ACL_MAX_SIZE(mp) \
- (sizeof(struct xfs_acl) + \
- sizeof(struct xfs_acl_entry) * XFS_ACL_MAX_ENTRIES((mp)))
-
-#define SGI_ACL_FILE "SGI_ACL_FILE"
-#define SGI_ACL_DEFAULT "SGI_ACL_DEFAULT"
-#define SGI_ACL_FILE_SIZE (sizeof(SGI_ACL_FILE)-1)
-#define SGI_ACL_DEFAULT_SIZE (sizeof(SGI_ACL_DEFAULT)-1)
-
-
/*
* Mandatory Access Control Labels (IRIX)
*/
/*
* Get one entry from a block map.
*/
-xfs_dfsbno_t
+xfs_fsblock_t
blkmap_get(
blkmap_t *blkmap,
- xfs_dfiloff_t o)
+ xfs_fileoff_t o)
{
bmap_ext_t *ext = blkmap->exts;
int i;
if (o >= ext->startoff && o < ext->startoff + ext->blockcount)
return ext->startblock + (o - ext->startoff);
}
- return NULLDFSBNO;
+ return NULLFSBLOCK;
}
/*
int
blkmap_getn(
blkmap_t *blkmap,
- xfs_dfiloff_t o,
- xfs_dfilblks_t nb,
+ xfs_fileoff_t o,
+ xfs_filblks_t nb,
bmap_ext_t **bmpp,
bmap_ext_t *bmpp_single)
{
bmpp_single->blockcount = nb;
bmpp_single->startoff = 0; /* not even used by caller! */
*bmpp = bmpp_single;
- return (bmpp_single->startblock != NULLDFSBNO) ? 1 : 0;
+ return (bmpp_single->startblock != NULLFSBLOCK) ? 1 : 0;
}
/*
* Return the last offset in a block map.
*/
-xfs_dfiloff_t
+xfs_fileoff_t
blkmap_last_off(
blkmap_t *blkmap)
{
bmap_ext_t *ext;
if (!blkmap->nexts)
- return NULLDFILOFF;
+ return NULLFILEOFF;
ext = blkmap->exts + blkmap->nexts - 1;
return ext->startoff + ext->blockcount;
}
*
* If the blockmap contains no extents, or no more logical offsets are mapped,
* or the extent index exceeds the number of extents in the map,
- * return NULLDFILOFF.
+ * return NULLFILEOFF.
*
* If offset o is beyond extent index t, the first offset in the next extent
* after extent t will be returned.
*
* Intended to be called starting with offset 0, index 0, and iterated.
*/
-xfs_dfiloff_t
+xfs_fileoff_t
blkmap_next_off(
blkmap_t *blkmap,
- xfs_dfiloff_t o,
+ xfs_fileoff_t o,
int *t)
{
bmap_ext_t *ext;
if (!blkmap->nexts)
- return NULLDFILOFF;
- if (o == NULLDFILOFF) {
+ return NULLFILEOFF;
+ if (o == NULLFILEOFF) {
*t = 0;
return blkmap->exts[0].startoff;
}
if (*t >= blkmap->nexts)
- return NULLDFILOFF;
+ return NULLFILEOFF;
ext = blkmap->exts + *t;
if (o < ext->startoff + ext->blockcount - 1)
return o + 1;
if (*t == blkmap->nexts - 1)
- return NULLDFILOFF;
+ return NULLFILEOFF;
(*t)++;
return ext[1].startoff;
}
int
blkmap_set_ext(
blkmap_t **blkmapp,
- xfs_dfiloff_t o,
- xfs_dfsbno_t b,
- xfs_dfilblks_t c)
+ xfs_fileoff_t o,
+ xfs_fsblock_t b,
+ xfs_filblks_t c)
{
blkmap_t *blkmap = *blkmapp;
xfs_extnum_t i;
* Extent descriptor.
*/
typedef struct bmap_ext {
- xfs_dfiloff_t startoff;
- xfs_dfsbno_t startblock;
- xfs_dfilblks_t blockcount;
+ xfs_fileoff_t startoff;
+ xfs_fsblock_t startblock;
+ xfs_filblks_t blockcount;
} bmap_ext_t;
/*
blkmap_t *blkmap_alloc(xfs_extnum_t nex, int whichfork);
void blkmap_free(blkmap_t *blkmap);
-int blkmap_set_ext(blkmap_t **blkmapp, xfs_dfiloff_t o,
- xfs_dfsbno_t b, xfs_dfilblks_t c);
+int blkmap_set_ext(blkmap_t **blkmapp, xfs_fileoff_t o,
+ xfs_fsblock_t b, xfs_filblks_t c);
-xfs_dfsbno_t blkmap_get(blkmap_t *blkmap, xfs_dfiloff_t o);
-int blkmap_getn(blkmap_t *blkmap, xfs_dfiloff_t o,
- xfs_dfilblks_t nb, bmap_ext_t **bmpp,
+xfs_fsblock_t blkmap_get(blkmap_t *blkmap, xfs_fileoff_t o);
+int blkmap_getn(blkmap_t *blkmap, xfs_fileoff_t o,
+ xfs_filblks_t nb, bmap_ext_t **bmpp,
bmap_ext_t *bmpp_single);
-xfs_dfiloff_t blkmap_last_off(blkmap_t *blkmap);
-xfs_dfiloff_t blkmap_next_off(blkmap_t *blkmap, xfs_dfiloff_t o, int *t);
+xfs_fileoff_t blkmap_last_off(blkmap_t *blkmap);
+xfs_fileoff_t blkmap_next_off(blkmap_t *blkmap, xfs_fileoff_t o, int *t);
#endif /* _XFS_REPAIR_BMAP_H */
if (agno == mp->m_sb.sb_agcount - 1)
max_agbno = mp->m_sb.sb_dblocks -
- (xfs_drfsbno_t) mp->m_sb.sb_agblocks * agno;
+ (xfs_rfsblock_t) mp->m_sb.sb_agblocks * agno;
else
max_agbno = mp->m_sb.sb_agblocks;
return (agbno >= sbp->sb_agblocks);
if (agno == (sbp->sb_agcount - 1))
return (agbno >= (sbp->sb_dblocks -
- ((xfs_drfsbno_t)(sbp->sb_agcount - 1) *
+ ((xfs_rfsblock_t)(sbp->sb_agcount - 1) *
sbp->sb_agblocks)));
return 1;
}
*/
int
verify_dfsbno(xfs_mount_t *mp,
- xfs_dfsbno_t fsbno)
+ xfs_fsblock_t fsbno)
{
xfs_agnumber_t agno;
xfs_agblock_t agbno;
static __inline int
verify_dfsbno_range(xfs_mount_t *mp,
- xfs_dfsbno_t fsbno,
- xfs_dfilblks_t count)
+ xfs_fsblock_t fsbno,
+ xfs_filblks_t count)
{
xfs_agnumber_t agno;
xfs_agblock_t agbno;
xfs_mount_t *mp,
xfs_bmbt_irec_t *irec,
xfs_ino_t ino,
- xfs_drfsbno_t *tot,
+ xfs_rfsblock_t *tot,
int check_dups)
{
- xfs_dfsbno_t b;
- xfs_drtbno_t ext;
+ xfs_fsblock_t b;
+ xfs_rtblock_t ext;
int state;
int pwe; /* partially-written extent */
*/
for (b = irec->br_startblock; b < irec->br_startblock +
irec->br_blockcount; b += mp->m_sb.sb_rextsize) {
- ext = (xfs_drtbno_t) b / mp->m_sb.sb_rextsize;
+ ext = (xfs_rtblock_t) b / mp->m_sb.sb_rextsize;
pwe = xfs_sb_version_hasextflgbit(&mp->m_sb) &&
irec->br_state == XFS_EXT_UNWRITTEN &&
(b % mp->m_sb.sb_rextsize != 0);
int *numrecs,
int type,
xfs_ino_t ino,
- xfs_drfsbno_t *tot,
+ xfs_rfsblock_t *tot,
blkmap_t **blkmapp,
- xfs_dfiloff_t *first_key,
- xfs_dfiloff_t *last_key,
+ xfs_fileoff_t *first_key,
+ xfs_fileoff_t *last_key,
int check_dups,
int whichfork)
{
xfs_bmbt_irec_t irec;
- xfs_dfilblks_t cp = 0; /* prev count */
- xfs_dfsbno_t sp = 0; /* prev start */
- xfs_dfiloff_t op = 0; /* prev offset */
- xfs_dfsbno_t b;
+ xfs_filblks_t cp = 0; /* prev count */
+ xfs_fsblock_t sp = 0; /* prev start */
+ xfs_fileoff_t op = 0; /* prev offset */
+ xfs_fsblock_t b;
char *ftype;
char *forkname = get_forkname(whichfork);
int i;
int *numrecs,
int type,
xfs_ino_t ino,
- xfs_drfsbno_t *tot,
+ xfs_rfsblock_t *tot,
blkmap_t **blkmapp,
- xfs_dfiloff_t *first_key,
- xfs_dfiloff_t *last_key,
+ xfs_fileoff_t *first_key,
+ xfs_fileoff_t *last_key,
int whichfork)
{
return process_bmbt_reclist_int(mp, rp, numrecs, type, ino, tot,
int *numrecs,
int type,
xfs_ino_t ino,
- xfs_drfsbno_t *tot,
+ xfs_rfsblock_t *tot,
int whichfork)
{
- xfs_dfiloff_t first_key = 0;
- xfs_dfiloff_t last_key = 0;
+ xfs_fileoff_t first_key = 0;
+ xfs_fileoff_t last_key = 0;
return process_bmbt_reclist_int(mp, rp, numrecs, type, ino, tot,
NULL, &first_key, &last_key, 1, whichfork);
xfs_dinode_t *dip,
int type,
int *dirty,
- xfs_drfsbno_t *tot,
+ xfs_rfsblock_t *tot,
__uint64_t *nex,
blkmap_t **blkmapp,
int whichfork,
int check_dups)
{
xfs_bmdr_block_t *dib;
- xfs_dfiloff_t last_key;
- xfs_dfiloff_t first_key = 0;
+ xfs_fileoff_t last_key;
+ xfs_fileoff_t first_key = 0;
xfs_ino_t lino;
xfs_bmbt_ptr_t *pp;
xfs_bmbt_key_t *pkey;
pp = XFS_BMDR_PTR_ADDR(dib, 1,
xfs_bmdr_maxrecs(XFS_DFORK_SIZE(dip, mp, whichfork), 0));
pkey = XFS_BMDR_KEY_ADDR(dib, 1);
- last_key = NULLDFILOFF;
+ last_key = NULLFILEOFF;
for (i = 0; i < numrecs; i++) {
/*
* inode if the ordering doesn't hold
*/
if (check_dups == 0) {
- if (last_key != NULLDFILOFF && last_key >=
+ if (last_key != NULLFILEOFF && last_key >=
cursor.level[level-1].first_key) {
do_warn(
_("out of order bmbt root key %" PRIu64 " in inode %" PRIu64 " %s fork\n"),
* is NULL.
*/
if (check_dups == 0 &&
- cursor.level[0].right_fsbno != NULLDFSBNO) {
+ cursor.level[0].right_fsbno != NULLFSBLOCK) {
do_warn(
- _("bad fwd (right) sibling pointer (saw %" PRIu64 " should be NULLDFSBNO)\n"),
+ _("bad fwd (right) sibling pointer (saw %" PRIu64 " should be NULLFSBLOCK)\n"),
cursor.level[0].right_fsbno);
do_warn(
_("\tin inode %" PRIu64 " (%s fork) bmap btree block %" PRIu64 "\n"),
xfs_dinode_t *dip,
int type,
int *dirty,
- xfs_drfsbno_t *tot,
+ xfs_rfsblock_t *tot,
__uint64_t *nex,
blkmap_t **blkmapp,
int whichfork,
{
xfs_ino_t lino;
xfs_bmbt_rec_t *rp;
- xfs_dfiloff_t first_key;
- xfs_dfiloff_t last_key;
+ xfs_fileoff_t first_key;
+ xfs_fileoff_t last_key;
int32_t numrecs;
int ret;
static int
process_symlink_extlist(xfs_mount_t *mp, xfs_ino_t lino, xfs_dinode_t *dino)
{
- xfs_dfiloff_t expected_offset;
+ xfs_fileoff_t expected_offset;
xfs_bmbt_rec_t *rp;
xfs_bmbt_irec_t irec;
int numrecs;
struct blkmap *blkmap,
char *dst)
{
- xfs_dfsbno_t fsbno;
+ xfs_fsblock_t fsbno;
struct xfs_buf *bp;
char *src;
int pathlen;
int badcrc = 0;
fsbno = blkmap_get(blkmap, i);
- if (fsbno == NULLDFSBNO) {
+ if (fsbno == NULLFSBLOCK) {
do_warn(
_("cannot read inode %" PRIu64 ", file block %d, NULL disk block\n"),
lino, i);
}
static int
-process_misc_ino_types_blocks(xfs_drfsbno_t totblocks, xfs_ino_t lino, int type)
+process_misc_ino_types_blocks(xfs_rfsblock_t totblocks, xfs_ino_t lino, int type)
{
/*
* you can not enforce all misc types have zero data fork blocks
static int
process_inode_blocks_and_extents(
xfs_dinode_t *dino,
- xfs_drfsbno_t nblocks,
+ xfs_rfsblock_t nblocks,
__uint64_t nextents,
__uint64_t anextents,
xfs_ino_t lino,
xfs_dinode_t *dino,
int type,
int *dirty,
- xfs_drfsbno_t *totblocks,
+ xfs_rfsblock_t *totblocks,
__uint64_t *nextents,
blkmap_t **dblkmap,
int check_dups)
xfs_dinode_t *dino,
int type,
int *dirty,
- xfs_drfsbno_t *atotblocks,
+ xfs_rfsblock_t *atotblocks,
__uint64_t *anextents,
int check_dups,
int extra_attr_check,
int *isa_dir, /* out == 1 if inode is a directory */
xfs_ino_t *parent) /* out -- parent if ino is a dir */
{
- xfs_drfsbno_t totblocks = 0;
- xfs_drfsbno_t atotblocks = 0;
+ xfs_rfsblock_t totblocks = 0;
+ xfs_rfsblock_t atotblocks = 0;
int di_mode;
int type;
int retval = 0;
int
verify_dfsbno(xfs_mount_t *mp,
- xfs_dfsbno_t fsbno);
+ xfs_fsblock_t fsbno);
void
convert_extent(
xfs_bmbt_rec_t *rp,
- xfs_dfiloff_t *op, /* starting offset (blockno in file) */
- xfs_dfsbno_t *sp, /* starting block (fs blockno) */
- xfs_dfilblks_t *cp, /* blockcount */
+ xfs_fileoff_t *op, /* starting offset (blockno in file) */
+ xfs_fsblock_t *sp, /* starting block (fs blockno) */
+ xfs_filblks_t *cp, /* blockcount */
int *fp); /* extent flag */
int
int *numrecs,
int type,
xfs_ino_t ino,
- xfs_drfsbno_t *tot,
+ xfs_rfsblock_t *tot,
struct blkmap **blkmapp,
__uint64_t *first_key,
__uint64_t *last_key,
int *numrecs,
int type,
xfs_ino_t ino,
- xfs_drfsbno_t *tot,
+ xfs_rfsblock_t *tot,
int whichfork);
void
bmap_ext_t *bmp;
struct xfs_buf *bp;
struct xfs_dir2_data_hdr *data;
- xfs_dfiloff_t dbno;
+ xfs_fileoff_t dbno;
int good;
int i;
- xfs_dfiloff_t ndbno;
+ xfs_fileoff_t ndbno;
int nex;
int t;
bmap_ext_t lbmp;
*repair = *dot = *dotdot = good = 0;
*parent = NULLFSINO;
- ndbno = NULLDFILOFF;
+ ndbno = NULLFILEOFF;
while ((dbno = blkmap_next_off(blkmap, ndbno, &t)) < mp->m_dir_geo->leafblk) {
nex = blkmap_getn(blkmap, dbno, mp->m_dir_geo->fsbcount, &bmp, &lbmp);
/* Advance through map to last dfs block in this dir block */
{
int dot;
int dotdot;
- xfs_dfiloff_t last;
+ xfs_fileoff_t last;
int repair;
int res;
*/
int
get_rtbmap(
- xfs_drtbno_t bno)
+ xfs_rtblock_t bno)
{
return (*(rt_bmap + bno / XR_BB_NUM) >>
((bno % XR_BB_NUM) * XR_BB)) & XR_BB_MASK;
void
set_rtbmap(
- xfs_drtbno_t bno,
+ xfs_rtblock_t bno,
int state)
{
*(rt_bmap + bno / XR_BB_NUM) =
for (agno = 0; agno < mp->m_sb.sb_agcount; agno++) {
if (agno == mp->m_sb.sb_agcount - 1)
ag_size = (xfs_extlen_t)(mp->m_sb.sb_dblocks -
- (xfs_drfsbno_t)mp->m_sb.sb_agblocks * agno);
+ (xfs_rfsblock_t)mp->m_sb.sb_agblocks * agno);
#ifdef BTREE_STATS
if (btree_find(ag_bmap[agno], 0, NULL)) {
printf("ag_bmap[%d] btree stats:\n", i);
int get_bmap_ext(xfs_agnumber_t agno, xfs_agblock_t agbno,
xfs_agblock_t maxbno, xfs_extlen_t *blen);
-void set_rtbmap(xfs_drtbno_t bno, int state);
-int get_rtbmap(xfs_drtbno_t bno);
+void set_rtbmap(xfs_rtblock_t bno, int state);
+int get_rtbmap(xfs_rtblock_t bno);
static inline void
set_bmap(xfs_agnumber_t agno, xfs_agblock_t agbno, int state)
typedef struct rt_extent_tree_node {
avlnode_t avl_node;
- xfs_drtbno_t rt_startblock; /* starting realtime block */
+ xfs_rtblock_t rt_startblock; /* starting realtime block */
xfs_extlen_t rt_blockcount; /* number of blocks in extent */
extent_state_t rt_state; /* see state flags below */
xfs_extlen_t blockcount);
int search_dup_extent(xfs_agnumber_t agno,
xfs_agblock_t start_agbno, xfs_agblock_t end_agbno);
-void add_rt_dup_extent(xfs_drtbno_t startblock,
+void add_rt_dup_extent(xfs_rtblock_t startblock,
xfs_extlen_t blockcount);
int search_rt_dup_extent(xfs_mount_t *mp,
- xfs_drtbno_t bno);
+ xfs_rtblock_t bno);
/*
* extent/tree recyling and deletion routines
#define XR_MAX_BMLEVELS 10 /* XXX - rcc need to verify number */
typedef struct bm_level_state {
- xfs_dfsbno_t fsbno;
- xfs_dfsbno_t left_fsbno;
- xfs_dfsbno_t right_fsbno;
+ xfs_fsblock_t fsbno;
+ xfs_fsblock_t left_fsbno;
+ xfs_fsblock_t right_fsbno;
__uint64_t first_key;
__uint64_t last_key;
/*
cursor->num_levels = num_levels;
for (i = 0; i < XR_MAX_BMLEVELS; i++) {
- cursor->level[i].fsbno = NULLDFSBNO;
- cursor->level[i].right_fsbno = NULLDFSBNO;
- cursor->level[i].left_fsbno = NULLDFSBNO;
- cursor->level[i].first_key = NULLDFILOFF;
- cursor->level[i].last_key = NULLDFILOFF;
+ cursor->level[i].fsbno = NULLFSBLOCK;
+ cursor->level[i].right_fsbno = NULLFSBLOCK;
+ cursor->level[i].left_fsbno = NULLFSBLOCK;
+ cursor->level[i].first_key = NULLFILEOFF;
+ cursor->level[i].last_key = NULLFILEOFF;
}
}
* startblocks can be 64-bit values.
*/
static rt_extent_tree_node_t *
-mk_rt_extent_tree_nodes(xfs_drtbno_t new_startblock,
+mk_rt_extent_tree_nodes(xfs_rtblock_t new_startblock,
xfs_extlen_t new_blockcount, extent_state_t new_state)
{
rt_extent_tree_node_t *new;
* add a duplicate real-time extent
*/
void
-add_rt_dup_extent(xfs_drtbno_t startblock, xfs_extlen_t blockcount)
+add_rt_dup_extent(xfs_rtblock_t startblock, xfs_extlen_t blockcount)
{
rt_extent_tree_node_t *first, *last, *ext, *next_ext;
- xfs_drtbno_t new_startblock;
+ xfs_rtblock_t new_startblock;
xfs_extlen_t new_blockcount;
pthread_mutex_lock(&rt_ext_tree_lock);
*/
/* ARGSUSED */
int
-search_rt_dup_extent(xfs_mount_t *mp, xfs_drtbno_t bno)
+search_rt_dup_extent(xfs_mount_t *mp, xfs_rtblock_t bno)
{
int ret;
phase4(xfs_mount_t *mp)
{
ino_tree_node_t *irec;
- xfs_drtbno_t bno;
- xfs_drtbno_t rt_start;
+ xfs_rtblock_t bno;
+ xfs_rtblock_t rt_start;
xfs_extlen_t rt_len;
xfs_agnumber_t i;
xfs_agblock_t j;
for (i = 0; i < mp->m_sb.sb_agcount; i++) {
ag_end = (i < mp->m_sb.sb_agcount - 1) ? mp->m_sb.sb_agblocks :
mp->m_sb.sb_dblocks -
- (xfs_drfsbno_t) mp->m_sb.sb_agblocks * i;
+ (xfs_rfsblock_t) mp->m_sb.sb_agblocks * i;
/*
* set up duplicate extent list for this ag
ag_end = mp->m_sb.sb_agblocks;
else
ag_end = mp->m_sb.sb_dblocks -
- (xfs_drfsbno_t)mp->m_sb.sb_agblocks *
+ (xfs_rfsblock_t)mp->m_sb.sb_agblocks *
(mp->m_sb.sb_agcount - 1);
/*
agi->agi_length = cpu_to_be32(mp->m_sb.sb_agblocks);
else
agi->agi_length = cpu_to_be32(mp->m_sb.sb_dblocks -
- (xfs_drfsbno_t) mp->m_sb.sb_agblocks * agno);
+ (xfs_rfsblock_t) mp->m_sb.sb_agblocks * agno);
agi->agi_count = cpu_to_be32(agi_stat->count);
agi->agi_root = cpu_to_be32(btree_curs->root);
agi->agi_level = cpu_to_be32(btree_curs->num_levels);
agf->agf_length = cpu_to_be32(mp->m_sb.sb_agblocks);
else
agf->agf_length = cpu_to_be32(mp->m_sb.sb_dblocks -
- (xfs_drfsbno_t) mp->m_sb.sb_agblocks * agno);
+ (xfs_rfsblock_t) mp->m_sb.sb_agblocks * agno);
agf->agf_roots[XFS_BTNUM_BNO] = cpu_to_be32(bno_bt->root);
agf->agf_levels[XFS_BTNUM_BNO] = cpu_to_be32(bno_bt->num_levels);
int committed;
int error;
xfs_bmap_free_t flist;
- xfs_dfiloff_t bno;
+ xfs_fileoff_t bno;
xfs_bmbt_irec_t map[XFS_BMAP_MAX_NMAP];
int vers;
int times;
xfs_fsblock_t first;
int nmap;
int error;
- xfs_dfiloff_t bno;
+ xfs_fileoff_t bno;
xfs_bmbt_irec_t map;
struct xfs_trans_res tres = {0};
xfs_fsblock_t first;
int nmap;
int error;
- xfs_dfiloff_t bno;
- xfs_dfiloff_t end_bno;
+ xfs_fileoff_t bno;
+ xfs_fileoff_t end_bno;
xfs_bmbt_irec_t map;
struct xfs_trans_res tres = {0};
int error;
int nsumblocks;
xfs_bmap_free_t flist;
- xfs_dfiloff_t bno;
+ xfs_fileoff_t bno;
xfs_bmbt_irec_t map[XFS_BMAP_MAX_NMAP];
int vers;
int times;
{
int i;
xfs_bmbt_irec_t irec;
- xfs_dfilblks_t cp = 0; /* prev count */
- xfs_dfiloff_t op = 0; /* prev offset */
+ xfs_filblks_t cp = 0; /* prev count */
+ xfs_fileoff_t op = 0; /* prev offset */
#define MAP_ARRAY_SZ 4
struct xfs_buf_map map_array[MAP_ARRAY_SZ];
struct xfs_buf_map *map = map_array;
static int
pf_scan_lbtree(
- xfs_dfsbno_t dbno,
+ xfs_fsblock_t dbno,
int level,
int isadir,
prefetch_args_t *args,
xfs_bmbt_ptr_t *pp;
int numrecs;
int i;
- xfs_dfsbno_t dbno;
+ xfs_fsblock_t dbno;
/*
* do some validation on the block contents
int level;
int numrecs;
int dsize;
- xfs_dfsbno_t dbno;
+ xfs_fsblock_t dbno;
dib = (xfs_bmdr_block_t *)XFS_DFORK_DPTR(dino);
xfs_rtword_t *words,
xfs_suminfo_t *sumcompute)
{
- xfs_drtbno_t extno;
- xfs_drtbno_t start_ext;
+ xfs_rtblock_t extno;
+ xfs_rtblock_t start_ext;
int bitsperblock;
int bmbno;
xfs_rtword_t freebit;
int
check_summary(xfs_mount_t *mp)
{
- xfs_drfsbno_t bno;
+ xfs_rfsblock_t bno;
xfs_suminfo_t *csp;
xfs_suminfo_t *fsp;
int log;
int bitsperblock;
int bmbno;
int end_bmbno;
- xfs_dfsbno_t bno;
+ xfs_fsblock_t bno;
xfs_buf_t *bp;
- xfs_drtbno_t extno;
+ xfs_rtblock_t extno;
int i;
int len;
int log;
for (bmbno = 0; bmbno < end_bmbno; bmbno++) {
bno = blkmap_get(blkmap, bmbno);
- if (bno == NULLDFSBNO) {
+ if (bno == NULLFSBLOCK) {
do_warn(_("can't find block %d for rtbitmap inode\n"),
bmbno);
error = 1;
for (sumbno = 0; sumbno < blkmap->count; sumbno++) {
bno = blkmap_get(blkmap, sumbno);
- if (bno == NULLDFSBNO) {
+ if (bno == NULLFSBLOCK) {
do_warn(_("block %d for rtsummary inode is missing\n"),
sumbno);
error++;
*/
int
scan_lbtree(
- xfs_dfsbno_t root,
+ xfs_fsblock_t root,
int nlevels,
int (*func)(struct xfs_btree_block *block,
int level,
int type,
int whichfork,
- xfs_dfsbno_t bno,
+ xfs_fsblock_t bno,
xfs_ino_t ino,
- xfs_drfsbno_t *tot,
+ xfs_rfsblock_t *tot,
__uint64_t *nex,
blkmap_t **blkmapp,
bmap_cursor_t *bm_cursor,
int type,
int whichfork,
xfs_ino_t ino,
- xfs_drfsbno_t *tot,
+ xfs_rfsblock_t *tot,
__uint64_t *nex,
blkmap_t **blkmapp,
bmap_cursor_t *bm_cursor,
int level,
int type,
int whichfork,
- xfs_dfsbno_t bno,
+ xfs_fsblock_t bno,
xfs_ino_t ino,
- xfs_drfsbno_t *tot,
+ xfs_rfsblock_t *tot,
__uint64_t *nex,
blkmap_t **blkmapp,
bmap_cursor_t *bm_cursor,
xfs_bmbt_ptr_t *pp;
xfs_bmbt_key_t *pkey;
xfs_bmbt_rec_t *rp;
- xfs_dfiloff_t first_key;
- xfs_dfiloff_t last_key;
+ xfs_fileoff_t first_key;
+ xfs_fileoff_t last_key;
char *forkname = get_forkname(whichfork);
int numrecs;
xfs_agnumber_t agno;
* between the sibling pointers and the child pointers
* in the parent block. blow out the inode if that happens
*/
- if (bm_cursor->level[level].fsbno != NULLDFSBNO) {
+ if (bm_cursor->level[level].fsbno != NULLFSBLOCK) {
/*
* this is not the first block on this level
* so the cursor for this level has recorded the
* This is the first or only block on this level.
* Check that the left sibling pointer is NULL
*/
- if (be64_to_cpu(block->bb_u.l.bb_leftsib) != NULLDFSBNO) {
+ if (be64_to_cpu(block->bb_u.l.bb_leftsib) != NULLFSBLOCK) {
do_warn(
_("bad back (left) sibling pointer (saw %llu should be NULL (0))\n"
"\tin inode %" PRIu64 " (%s fork) bmap btree block %" PRIu64 "\n"),
/*
* check that key ordering is monotonically increasing.
* if the last_key value in the cursor is set to
- * NULLDFILOFF, then we know this is the first block
+ * NULLFILEOFF, then we know this is the first block
* on the leaf level and we shouldn't check the
* last_key value.
*/
if (first_key <= bm_cursor->level[level].last_key &&
bm_cursor->level[level].last_key !=
- NULLDFILOFF) {
+ NULLFILEOFF) {
do_warn(
_("out-of-order bmap key (file offset) in inode %" PRIu64 ", %s fork, fsbno %" PRIu64 "\n"),
ino, forkname, bno);
pp = XFS_BMBT_PTR_ADDR(mp, block, 1, mp->m_bmap_dmxr[1]);
pkey = XFS_BMBT_KEY_ADDR(mp, block, 1);
- last_key = NULLDFILOFF;
+ last_key = NULLFILEOFF;
for (i = 0, err = 0; i < numrecs; i++) {
/*
* block's forward sibling pointer is NULL.
*/
if (check_dups == 0 &&
- bm_cursor->level[level].right_fsbno == NULLDFSBNO &&
- bm_cursor->level[level - 1].right_fsbno != NULLDFSBNO) {
+ bm_cursor->level[level].right_fsbno == NULLFSBLOCK &&
+ bm_cursor->level[level - 1].right_fsbno != NULLFSBLOCK) {
do_warn(
-_("bad fwd (right) sibling pointer (saw %" PRIu64 " should be NULLDFSBNO)\n"
+_("bad fwd (right) sibling pointer (saw %" PRIu64 " should be NULLFSBLOCK)\n"
"\tin inode %" PRIu64 " (%s fork) bmap btree block %" PRIu64 "\n"),
bm_cursor->level[level - 1].right_fsbno,
ino, forkname, bm_cursor->level[level - 1].fsbno);
struct blkmap;
int scan_lbtree(
- xfs_dfsbno_t root,
+ xfs_fsblock_t root,
int nlevels,
int (*func)(struct xfs_btree_block *block,
int level,
int type,
int whichfork,
- xfs_dfsbno_t bno,
+ xfs_fsblock_t bno,
xfs_ino_t ino,
- xfs_drfsbno_t *tot,
+ xfs_rfsblock_t *tot,
__uint64_t *nex,
struct blkmap **blkmapp,
bmap_cursor_t *bm_cursor,
int type,
int whichfork,
xfs_ino_t ino,
- xfs_drfsbno_t *tot,
+ xfs_rfsblock_t *tot,
__uint64_t *nex,
struct blkmap **blkmapp,
bmap_cursor_t *bm_cursor,
int level,
int type,
int whichfork,
- xfs_dfsbno_t bno,
+ xfs_fsblock_t bno,
xfs_ino_t ino,
- xfs_drfsbno_t *tot,
+ xfs_rfsblock_t *tot,
__uint64_t *nex,
struct blkmap **blkmapp,
bmap_cursor_t *bm_cursor,