+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2000-2006 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
*/
#define IO_BCOMPARE_CHECK
-void
+/* XXX: (dgc) Propagate errors, only exit if fail-on-error flag set */
+int
libxfs_device_zero(struct xfs_buftarg *btp, xfs_daddr_t start, uint len)
{
xfs_off_t start_offset, end_offset, offset;
fd = libxfs_device_to_fd(btp->dev);
start_offset = LIBXFS_BBTOOFF64(start);
- if ((lseek64(fd, start_offset, SEEK_SET)) < 0) {
+ if ((lseek(fd, start_offset, SEEK_SET)) < 0) {
fprintf(stderr, _("%s: %s seek to offset %llu failed: %s\n"),
progname, __FUNCTION__,
(unsigned long long)start_offset, strerror(errno));
offset += bytes;
}
free(z);
+ return 0;
}
static void unmount_record(void *p)
xlog_op_header_t *op = (xlog_op_header_t *)p;
/* the data section must be 32 bit size aligned */
struct {
- __uint16_t magic;
- __uint16_t pad1;
- __uint32_t pad2; /* may as well make it 64 bits */
+ uint16_t magic;
+ uint16_t pad1;
+ uint32_t pad2; /* may as well make it 64 bits */
} magic = { XLOG_UNMOUNT_TYPE, 0, 0 };
memset(p, 0, BBSIZE);
struct xfs_buf *buf = (struct xfs_buf *)private;
if (buf &&
- (XFS_BUF_COUNT(buf) < (int)(ptr - XFS_BUF_PTR(buf)) + offset))
+ (buf->b_bcount < (int)(ptr - (char *)buf->b_addr) + offset))
abort();
return ptr + offset;
* previous cycle.
*/
len = ((version == 2) && sunit) ? BTOBB(sunit) : 2;
- len = MAX(len, 2);
+ len = max(len, 2);
lsn = xlog_assign_lsn(cycle, 0);
if (cycle == XLOG_INIT_CYCLE)
tail_lsn = lsn;
ptr = dptr;
if (btp) {
bp = libxfs_getbufr(btp, start, len);
- ptr = XFS_BUF_PTR(bp);
+ ptr = bp->b_addr;
}
libxfs_log_header(ptr, fs_uuid, version, sunit, fmt, lsn, tail_lsn,
next, bp);
ptr = dptr;
if (btp) {
bp = libxfs_getbufr(btp, blk, len);
- ptr = XFS_BUF_PTR(bp);
+ ptr = bp->b_addr;
}
/*
* Note: pass the full buffer length as the sunit to initialize
head->h_prev_block = cpu_to_be32(-1);
head->h_num_logops = cpu_to_be32(1);
head->h_fmt = cpu_to_be32(fmt);
- head->h_size = cpu_to_be32(MAX(sunit, XLOG_BIG_RECORD_BSIZE));
+ head->h_size = cpu_to_be32(max(sunit, XLOG_BIG_RECORD_BSIZE));
head->h_lsn = cpu_to_be64(lsn);
head->h_tail_lsn = cpu_to_be64(tail_lsn);
* minimum (1 hdr blk + 1 data blk). The record length is the total
* minus however many header blocks are required.
*/
- head->h_len = cpu_to_be32(MAX(BBTOB(2), sunit) - hdrs * BBSIZE);
+ head->h_len = cpu_to_be32(max(BBTOB(2), sunit) - hdrs * BBSIZE);
/*
* Write out the unmount record, pack the first word into the record
* the cycle. We don't need to pack any of these blocks because the
* cycle data in the headers has already been zeroed.
*/
- len = MAX(len, hdrs + 1);
+ len = max(len, hdrs + 1);
for (i = hdrs + 1; i < len; i++) {
p = nextfunc(p, BBSIZE, private);
memset(p, 0, BBSIZE);
return CACHE_MISS;
}
-void
+static void
libxfs_bprint(xfs_buf_t *bp)
{
- fprintf(stderr, "Buffer 0x%p blkno=%llu bytes=%u flags=0x%x count=%u\n",
+ fprintf(stderr, "Buffer %p blkno=%llu bytes=%u flags=0x%x count=%u\n",
bp, (unsigned long long)bp->b_bn, (unsigned)bp->b_bcount,
bp->b_flags, bp->b_node.cn_count);
}
bp->b_holder = 0;
bp->b_recur = 0;
bp->b_ops = NULL;
+
+ if (!bp->b_maps) {
+ bp->b_nmaps = 1;
+ bp->b_maps = &bp->__b_map;
+ bp->b_maps[0].bm_bn = bp->b_bn;
+ bp->b_maps[0].bm_len = bp->b_length;
+ }
}
static void
int i;
bytes = sizeof(struct xfs_buf_map) * nmaps;
- bp->b_map = malloc(bytes);
- if (!bp->b_map) {
+ bp->b_maps = malloc(bytes);
+ if (!bp->b_maps) {
fprintf(stderr,
_("%s: %s can't malloc %u bytes: %s\n"),
progname, __FUNCTION__, bytes,
bytes = 0;
for ( i = 0; i < nmaps; i++) {
- bp->b_map[i].bm_bn = map[i].bm_bn;
- bp->b_map[i].bm_len = map[i].bm_len;
+ bp->b_maps[i].bm_bn = map[i].bm_bn;
+ bp->b_maps[i].bm_len = map[i].bm_len;
bytes += BBTOB(map[i].bm_len);
}
bp->b_flags |= LIBXFS_B_DISCONTIG;
}
-xfs_buf_t *
+static xfs_buf_t *
__libxfs_getbufr(int blen)
{
xfs_buf_t *bp;
list_del_init(&bp->b_node.cn_mru);
free(bp->b_addr);
bp->b_addr = NULL;
- free(bp->b_map);
- bp->b_map = NULL;
+ if (bp->b_maps != &bp->__b_map)
+ free(bp->b_maps);
+ bp->b_maps = NULL;
}
} else
bp = kmem_zone_zalloc(xfs_buf_zone, 0);
pthread_mutex_unlock(&xfs_buf_freelist.cm_mutex);
bp->b_ops = NULL;
+ if (bp->b_flags & LIBXFS_B_DIRTY)
+ fprintf(stderr, "found dirty buffer (bulk) on free list!");
return bp;
}
return bp;
}
-xfs_buf_t *
+static xfs_buf_t *
libxfs_getbufr_map(struct xfs_buftarg *btp, xfs_daddr_t blkno, int bblen,
struct xfs_buf_map *map, int nmaps)
{
libxfs_getbuf_flags(struct xfs_buftarg *btp, xfs_daddr_t blkno, int len,
unsigned int flags)
{
- struct xfs_bufkey key = {0};
+ struct xfs_bufkey key = {NULL};
key.buftarg = btp;
key.blkno = blkno;
__libxfs_getbuf_map(struct xfs_buftarg *btp, struct xfs_buf_map *map,
int nmaps, int flags)
{
- struct xfs_bufkey key = {0};
+ struct xfs_bufkey key = {NULL};
int i;
if (nmaps == 1)
void
libxfs_purgebuf(xfs_buf_t *bp)
{
- struct xfs_bufkey key = {0};
+ struct xfs_bufkey key = {NULL};
key.buftarg = bp->b_target;
key.blkno = bp->b_bn;
{
int sts;
- sts = pread64(fd, buf, len, offset);
+ sts = pread(fd, buf, len, offset);
if (sts < 0) {
int error = errno;
fprintf(stderr, _("%s: read failed: %s\n"),
{
int fd;
int error = 0;
- char *buf;
+ void *buf;
int i;
fd = libxfs_device_to_fd(btp->dev);
buf = bp->b_addr;
for (i = 0; i < bp->b_nmaps; i++) {
- off64_t offset = LIBXFS_BBTOOFF64(bp->b_map[i].bm_bn);
- int len = BBTOB(bp->b_map[i].bm_len);
+ off64_t offset = LIBXFS_BBTOOFF64(bp->b_maps[i].bm_bn);
+ int len = BBTOB(bp->b_maps[i].bm_len);
error = __read_buf(fd, buf, len, offset, flags);
if (error) {
if (!error)
bp->b_flags |= LIBXFS_B_UPTODATE;
#ifdef IO_DEBUG
- printf("%lx: %s: read %u bytes, error %d, blkno=0x%llx(0x%llx), %p\n",
- pthread_self(), __FUNCTION__, , error,
- (long long)LIBXFS_BBTOOFF64(blkno), (long long)blkno, bp);
+ printf("%lx: %s: read %lu bytes, error %d, blkno=%llu(%llu), %p\n",
+ pthread_self(), __FUNCTION__, buf - (char *)bp->b_addr, error,
+ (long long)LIBXFS_BBTOOFF64(bp->b_bn), (long long)bp->b_bn, bp);
#endif
return error;
}
if (!error)
libxfs_readbuf_verify(bp, ops);
-#ifdef IO_DEBUG
+#ifdef IO_DEBUGX
printf("%lx: %s: read %lu bytes, error %d, blkno=%llu(%llu), %p\n",
pthread_self(), __FUNCTION__, buf - (char *)bp->b_addr, error,
(long long)LIBXFS_BBTOOFF64(bp->b_bn), (long long)bp->b_bn, bp);
{
int sts;
- sts = pwrite64(fd, buf, len, offset);
+ sts = pwrite(fd, buf, len, offset);
if (sts < 0) {
int error = errno;
- fprintf(stderr, _("%s: pwrite64 failed: %s\n"),
+ fprintf(stderr, _("%s: pwrite failed: %s\n"),
progname, strerror(error));
if (flags & LIBXFS_B_EXIT)
exit(1);
return -error;
} else if (sts != len) {
- fprintf(stderr, _("%s: error - pwrite64 only %d of %d bytes\n"),
+ fprintf(stderr, _("%s: error - pwrite only %d of %d bytes\n"),
progname, sts, len);
if (flags & LIBXFS_B_EXIT)
exit(1);
libxfs_writebufr(xfs_buf_t *bp)
{
int fd = libxfs_device_to_fd(bp->b_target->dev);
- int error = 0;
/*
* we never write buffers that are marked stale. This indicates they
}
if (!(bp->b_flags & LIBXFS_B_DISCONTIG)) {
- error = __write_buf(fd, bp->b_addr, bp->b_bcount,
+ bp->b_error = __write_buf(fd, bp->b_addr, bp->b_bcount,
LIBXFS_BBTOOFF64(bp->b_bn), bp->b_flags);
} else {
int i;
- char *buf = bp->b_addr;
+ void *buf = bp->b_addr;
for (i = 0; i < bp->b_nmaps; i++) {
- off64_t offset = LIBXFS_BBTOOFF64(bp->b_map[i].bm_bn);
- int len = BBTOB(bp->b_map[i].bm_len);
+ off64_t offset = LIBXFS_BBTOOFF64(bp->b_maps[i].bm_bn);
+ int len = BBTOB(bp->b_maps[i].bm_len);
- error = __write_buf(fd, buf, len, offset, bp->b_flags);
- if (error) {
- bp->b_error = error;
+ bp->b_error = __write_buf(fd, buf, len, offset,
+ bp->b_flags);
+ if (bp->b_error)
break;
- }
buf += len;
}
}
printf("%lx: %s: wrote %u bytes, blkno=%llu(%llu), %p, error %d\n",
pthread_self(), __FUNCTION__, bp->b_bcount,
(long long)LIBXFS_BBTOOFF64(bp->b_bn),
- (long long)bp->b_bn, bp, error);
+ (long long)bp->b_bn, bp, bp->b_error);
#endif
- if (!error) {
+ if (!bp->b_error) {
bp->b_flags |= LIBXFS_B_UPTODATE;
bp->b_flags &= ~(LIBXFS_B_DIRTY | LIBXFS_B_EXIT |
LIBXFS_B_UNCHECKED);
}
- return error;
+ return bp->b_error;
}
int
}
static void
-libxfs_brelse(struct cache_node *node)
+libxfs_brelse(
+ struct cache_node *node)
{
- xfs_buf_t *bp = (xfs_buf_t *)node;
+ struct xfs_buf *bp = (struct xfs_buf *)node;
- if (bp != NULL) {
- if (bp->b_flags & LIBXFS_B_DIRTY)
- libxfs_writebufr(bp);
- pthread_mutex_lock(&xfs_buf_freelist.cm_mutex);
- list_add(&bp->b_node.cn_mru, &xfs_buf_freelist.cm_list);
- pthread_mutex_unlock(&xfs_buf_freelist.cm_mutex);
- }
+ if (!bp)
+ return;
+ if (bp->b_flags & LIBXFS_B_DIRTY)
+ fprintf(stderr,
+ "releasing dirty buffer to free list!");
+
+ pthread_mutex_lock(&xfs_buf_freelist.cm_mutex);
+ list_add(&bp->b_node.cn_mru, &xfs_buf_freelist.cm_list);
+ pthread_mutex_unlock(&xfs_buf_freelist.cm_mutex);
}
static unsigned int
libxfs_bulkrelse(
- struct cache *cache,
- struct list_head *list)
+ struct cache *cache,
+ struct list_head *list)
{
xfs_buf_t *bp;
int count = 0;
list_for_each_entry(bp, list, b_node.cn_mru) {
if (bp->b_flags & LIBXFS_B_DIRTY)
- libxfs_writebufr(bp);
+ fprintf(stderr,
+ "releasing dirty buffer (bulk) to free list!");
count++;
}
pthread_mutex_lock(&xfs_buf_freelist.cm_mutex);
- __list_splice(list, &xfs_buf_freelist.cm_list);
+ list_splice(list, &xfs_buf_freelist.cm_list);
pthread_mutex_unlock(&xfs_buf_freelist.cm_mutex);
return count;
}
-static void
-libxfs_bflush(struct cache_node *node)
+/*
+ * Free everything from the xfs_buf_freelist MRU, used at final teardown
+ */
+void
+libxfs_bcache_free(void)
+{
+ struct list_head *cm_list;
+ xfs_buf_t *bp, *next;
+
+ cm_list = &xfs_buf_freelist.cm_list;
+ list_for_each_entry_safe(bp, next, cm_list, b_node.cn_mru) {
+ free(bp->b_addr);
+ if (bp->b_maps != &bp->__b_map)
+ free(bp->b_maps);
+ kmem_zone_free(xfs_buf_zone, bp);
+ }
+}
+
+/*
+ * When a buffer is marked dirty, the error is cleared. Hence if we are trying
+ * to flush a buffer prior to cache reclaim that has an error on it it means
+ * we've already tried to flush it and it failed. Prevent repeated corruption
+ * errors from being reported by skipping such buffers - when the corruption is
+ * fixed the buffer will be marked dirty again and we can write it again.
+ */
+static int
+libxfs_bflush(
+ struct cache_node *node)
{
- xfs_buf_t *bp = (xfs_buf_t *)node;
+ struct xfs_buf *bp = (struct xfs_buf *)node;
- if ((bp != NULL) && (bp->b_flags & LIBXFS_B_DIRTY))
- libxfs_writebufr(bp);
+ if (!bp->b_error && bp->b_flags & LIBXFS_B_DIRTY)
+ return libxfs_writebufr(bp);
+ return bp->b_error;
}
void
libxfs_putbufr(xfs_buf_t *bp)
{
+ if (bp->b_flags & LIBXFS_B_DIRTY)
+ libxfs_writebufr(bp);
libxfs_brelse((struct cache_node *)bp);
}
* Inode cache stubs.
*/
+kmem_zone_t *xfs_inode_zone;
extern kmem_zone_t *xfs_ili_zone;
-extern kmem_zone_t *xfs_inode_zone;
+
+/*
+ * If there are inline format data / attr forks attached to this inode,
+ * make sure they're not corrupt.
+ */
+bool
+libxfs_inode_verify_forks(
+ struct xfs_inode *ip,
+ struct xfs_ifork_ops *ops)
+{
+ struct xfs_ifork *ifp;
+ xfs_failaddr_t fa;
+
+ if (!ops)
+ return true;
+
+ fa = xfs_ifork_verify_data(ip, ops);
+ if (fa) {
+ ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK);
+ xfs_inode_verifier_error(ip, -EFSCORRUPTED, "data fork",
+ ifp->if_u1.if_data, ifp->if_bytes, fa);
+ return false;
+ }
+
+ fa = xfs_ifork_verify_attr(ip, ops);
+ if (fa) {
+ ifp = XFS_IFORK_PTR(ip, XFS_ATTR_FORK);
+ xfs_inode_verifier_error(ip, -EFSCORRUPTED, "attr fork",
+ ifp ? ifp->if_u1.if_data : NULL,
+ ifp ? ifp->if_bytes : 0, fa);
+ return false;
+ }
+ return true;
+}
int
-libxfs_iget(xfs_mount_t *mp, xfs_trans_t *tp, xfs_ino_t ino, uint lock_flags,
- xfs_inode_t **ipp, xfs_daddr_t bno)
+libxfs_iget(
+ struct xfs_mount *mp,
+ struct xfs_trans *tp,
+ xfs_ino_t ino,
+ uint lock_flags,
+ struct xfs_inode **ipp,
+ struct xfs_ifork_ops *ifork_ops)
{
- xfs_inode_t *ip;
- int error = 0;
+ struct xfs_inode *ip;
+ int error = 0;
ip = kmem_zone_zalloc(xfs_inode_zone, 0);
if (!ip)
ip->i_ino = ino;
ip->i_mount = mp;
- error = xfs_iread(mp, tp, ip, bno);
+ error = xfs_iread(mp, tp, ip, 0);
if (error) {
kmem_zone_free(xfs_inode_zone, ip);
*ipp = NULL;
return error;
}
+ if (!libxfs_inode_verify_forks(ip, ifork_ops)) {
+ libxfs_irele(ip);
+ return -EFSCORRUPTED;
+ }
+
/*
* set up the inode ops structure that the libxfs code relies on
*/
- if (S_ISDIR(ip->i_d.di_mode))
+ if (XFS_ISDIR(ip))
ip->d_ops = mp->m_dir_inode_ops;
else
ip->d_ops = mp->m_nondir_inode_ops;
static void
libxfs_idestroy(xfs_inode_t *ip)
{
- switch (ip->i_d.di_mode & S_IFMT) {
+ switch (VFS_I(ip)->i_mode & S_IFMT) {
case S_IFREG:
case S_IFDIR:
case S_IFLNK:
}
if (ip->i_afp)
libxfs_idestroy_fork(ip, XFS_ATTR_FORK);
+ if (ip->i_cowfp)
+ xfs_idestroy_fork(ip, XFS_COW_FORK);
}
void
-libxfs_iput(xfs_inode_t *ip)
+libxfs_irele(
+ struct xfs_inode *ip)
{
if (ip->i_itemp)
kmem_zone_free(xfs_ili_zone, ip->i_itemp);
projects / thirdparty / xfsprogs-dev.git / blobdiff