+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2000-2005 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
*/
-#include <xfs/libxfs.h>
#include <sys/stat.h>
#include "init.h"
-#define findrawpath(x) x
-#define findblockpath(x) x
+#include "libxfs_priv.h"
+#include "xfs_fs.h"
+#include "xfs_shared.h"
+#include "xfs_format.h"
+#include "xfs_log_format.h"
+#include "xfs_trans_resv.h"
+#include "xfs_mount.h"
+#include "xfs_defer.h"
+#include "xfs_inode_buf.h"
+#include "xfs_inode_fork.h"
+#include "xfs_inode.h"
+#include "xfs_trans.h"
+#include "xfs_rmap_btree.h"
+#include "xfs_refcount_btree.h"
+
+#include "libxfs.h" /* for now */
char *progname = "libxfs"; /* default, changed by each tool */
-struct cache *libxfs_icache; /* global inode cache */
-int libxfs_ihash_size; /* #buckets in icache */
-
struct cache *libxfs_bcache; /* global buffer cache */
int libxfs_bhash_size; /* #buckets in bcache */
-static void manage_zones(int); /* setup global zones */
+int use_xfs_buf_lock; /* global flag: use xfs_buf_t locks for MT */
/*
* dev_map - map open devices to fd.
*/
#define MAX_DEVS 10 /* arbitary maximum */
-int nextfakedev = -1; /* device number to give to next fake device */
+static int nextfakedev = -1; /* device number to give to next fake device */
static struct dev_to_fd {
dev_t dev;
int fd;
static int
check_isactive(char *name, char *block, int fatal)
{
- struct stat64 st;
+ struct stat st;
- if (stat64(block, &st) < 0)
+ if (stat(block, &st) < 0)
return 0;
if ((st.st_mode & S_IFMT) != S_IFBLK)
return 0;
if (platform_check_ismounted(name, block, &st, 0) == 0)
return 0;
- return platform_check_iswritable(name, block, &st, fatal);
+ if (platform_check_iswritable(name, block, &st))
+ return fatal ? 1 : 0;
+ return 0;
}
/* libxfs_device_to_fd:
{
dev_t dev;
int fd, d, flags;
- int readonly, excl;
- struct stat64 statb;
+ int readonly, dio, excl;
+ struct stat statb;
readonly = (xflags & LIBXFS_ISREADONLY);
excl = (xflags & LIBXFS_EXCLUSIVELY) && !creat;
+ dio = (xflags & LIBXFS_DIRECT) && !creat && platform_direct_blockdev();
+retry:
flags = (readonly ? O_RDONLY : O_RDWR) | \
(creat ? (O_CREAT|O_TRUNC) : 0) | \
+ (dio ? O_DIRECT : 0) | \
(excl ? O_EXCL : 0);
+
if ((fd = open(path, flags, 0666)) < 0) {
+ if (errno == EINVAL && --dio == 0)
+ goto retry;
fprintf(stderr, _("%s: cannot open %s: %s\n"),
progname, path, strerror(errno));
exit(1);
}
- if (fstat64(fd, &statb) < 0) {
+ if (fstat(fd, &statb) < 0) {
fprintf(stderr, _("%s: cannot stat %s: %s\n"),
progname, path, strerror(errno));
exit(1);
}
if (!readonly && setblksize && (statb.st_mode & S_IFMT) == S_IFBLK) {
- platform_set_blocksize(fd, path, 512);
+ if (setblksize == 1)
+ /* use the default blocksize */
+ (void)platform_set_blocksize(fd, path, statb.st_rdev, XFS_MIN_SECTORSIZE, 0);
+ else {
+ /* given an explicit blocksize to use */
+ if (platform_set_blocksize(fd, path, statb.st_rdev, setblksize, 1))
+ exit(1);
+ }
}
/*
int readonly = (flags & LIBXFS_ISREADONLY);
int inactive = (flags & LIBXFS_ISINACTIVE);
int dangerously = (flags & LIBXFS_DANGEROUSLY);
- struct stat64 stbuf;
+ struct stat stbuf;
- if (stat64(path, &stbuf) < 0) {
+ if (stat(path, &stbuf) < 0) {
perror(path);
return 0;
}
- if (!(*rawfile = findrawpath(path))) {
+ if (!(*rawfile = platform_findrawpath(path))) {
fprintf(stderr, _("%s: "
"can't find a character device matching %s\n"),
progname, path);
return 0;
}
- if (!(*blockfile = findblockpath(path))) {
+ if (!(*blockfile = platform_findblockpath(path))) {
fprintf(stderr, _("%s: "
"can't find a block device matching %s\n"),
progname, path);
}
if (!readonly && !inactive && platform_check_ismounted(path, *blockfile, NULL, 1))
return 0;
-
+
if (inactive && check_isactive(path, *blockfile, ((readonly|dangerously)?1:0)))
return 0;
return 1;
}
+/*
+ * Initialize/destroy all of the zone allocators we use.
+ */
+static void
+init_zones(void)
+{
+ /* initialise zone allocation */
+ xfs_buf_zone = kmem_zone_init(sizeof(struct xfs_buf), "xfs_buffer");
+ xfs_inode_zone = kmem_zone_init(sizeof(struct xfs_inode), "xfs_inode");
+ xfs_ifork_zone = kmem_zone_init(sizeof(struct xfs_ifork), "xfs_ifork");
+ xfs_ili_zone = kmem_zone_init(
+ sizeof(struct xfs_inode_log_item),"xfs_inode_log_item");
+ xfs_buf_item_zone = kmem_zone_init(
+ sizeof(struct xfs_buf_log_item), "xfs_buf_log_item");
+ xfs_da_state_zone = kmem_zone_init(
+ sizeof(struct xfs_da_state), "xfs_da_state");
+ xfs_btree_cur_zone = kmem_zone_init(
+ sizeof(struct xfs_btree_cur), "xfs_btree_cur");
+ xfs_bmap_free_item_zone = kmem_zone_init(
+ sizeof(struct xfs_extent_free_item),
+ "xfs_bmap_free_item");
+ xfs_trans_zone = kmem_zone_init(
+ sizeof(struct xfs_trans), "xfs_trans");
+}
+
+static int
+destroy_zones(void)
+{
+ int leaked = 0;
+
+ leaked += kmem_zone_destroy(xfs_buf_zone);
+ leaked += kmem_zone_destroy(xfs_ili_zone);
+ leaked += kmem_zone_destroy(xfs_inode_zone);
+ leaked += kmem_zone_destroy(xfs_ifork_zone);
+ leaked += kmem_zone_destroy(xfs_buf_item_zone);
+ leaked += kmem_zone_destroy(xfs_da_state_zone);
+ leaked += kmem_zone_destroy(xfs_btree_cur_zone);
+ leaked += kmem_zone_destroy(xfs_bmap_free_item_zone);
+ leaked += kmem_zone_destroy(xfs_trans_zone);
+
+ return leaked;
+}
+
/*
* libxfs initialization.
* Caller gets a 0 on failure (and we print a message), 1 on success.
libxfs_init(libxfs_init_t *a)
{
char *blockfile;
- char curdir[MAXPATHLEN];
char *dname;
char dpath[25];
int fd;
char *logname;
char logpath[25];
- int needcd;
char *rawfile;
char *rtname;
char rtpath[25];
rtname = a->rtname;
a->dfd = a->logfd = a->rtfd = -1;
a->ddev = a->logdev = a->rtdev = 0;
- a->dbsize = a->lbsize = a->rtbsize = 0;
- a->dsize = a->logBBsize = a->logBBstart = a->rtsize = 0;
+ a->dsize = a->lbsize = a->rtbsize = 0;
+ a->dbsize = a->logBBsize = a->logBBstart = a->rtsize = 0;
- (void)getcwd(curdir,MAXPATHLEN);
- needcd = 0;
fd = -1;
- flags = a->isreadonly;
+ flags = (a->isreadonly | a->isdirect);
+
+ radix_tree_init();
if (a->volname) {
if(!check_open(a->volname,flags,&rawfile,&blockfile))
goto done;
- needcd = 1;
fd = open(rawfile, O_RDONLY);
-#ifdef HAVE_VOLUME_MANAGER
- xlv_getdev_t getdev;
- if (ioctl(fd, DIOCGETVOLDEV, &getdev) < 0)
-#else
- if (1)
-#endif
- {
- if (a->notvolok) {
- dname = a->dname = a->volname;
- a->volname = NULL;
- goto voldone;
- }
- fprintf(stderr, _("%s: "
- "%s is not a volume device name\n"),
- progname, a->volname);
- if (a->notvolmsg)
- fprintf(stderr, a->notvolmsg, a->volname);
- goto done;
- }
-#ifdef HAVE_VOLUME_MANAGER
- if (getdev.data_subvol_dev && dname) {
- fprintf(stderr, _("%s: "
- "%s has a data subvolume, cannot specify %s\n"),
- progname, a->volname, dname);
- goto done;
- }
- if (getdev.log_subvol_dev && logname) {
- fprintf(stderr, _("%s: "
- "%s has a log subvolume, cannot specify %s\n"),
- progname, a->volname, logname);
- goto done;
- }
- if (getdev.rt_subvol_dev && rtname) {
- fprintf(stderr, _("%s: %s has a realtime subvolume, "
- "cannot specify %s\n"),
- progname, a->volname, rtname);
- goto done;
- }
- if (!dname && getdev.data_subvol_dev) {
- strcpy(dpath, "/tmp/libxfsdXXXXXX");
- (void)mktemp(dpath);
- if (mknod(dpath, S_IFCHR | 0600,
- getdev.data_subvol_dev) < 0) {
- fprintf(stderr, _("%s: mknod failed: %s\n"),
- progname, strerror(errno));
- goto done;
- }
- dname = dpath;
- }
- if (!logname && getdev.log_subvol_dev) {
- strcpy(logpath, "/tmp/libxfslXXXXXX");
- (void)mktemp(logpath);
- if (mknod(logpath, S_IFCHR | 0600,
- getdev.log_subvol_dev) < 0) {
- fprintf(stderr, _("%s: mknod failed: %s\n"),
- progname, strerror(errno));
- goto done;
- }
- logname = logpath;
- }
- if (!rtname && getdev.rt_subvol_dev) {
- strcpy(rtpath, "/tmp/libxfsrXXXXXX");
- (void)mktemp(rtpath);
- if (mknod(rtpath, S_IFCHR | 0600,
- getdev.rt_subvol_dev) < 0) {
- fprintf(stderr, _("%s: mknod failed: %s\n"),
- progname, strerror(errno));
- goto done;
- }
- rtname = rtpath;
- }
-#endif
+ dname = a->dname = a->volname;
+ a->volname = NULL;
}
-voldone:
if (dname) {
- if (dname[0] != '/' && needcd)
- chdir(curdir);
if (a->disfile) {
a->ddev= libxfs_device_open(dname, a->dcreat, flags,
a->setblksize);
a->dfd = libxfs_device_to_fd(a->ddev);
+ platform_findsizes(dname, a->dfd, &a->dsize,
+ &a->dbsize);
} else {
if (!check_open(dname, flags, &rawfile, &blockfile))
goto done;
a->dcreat, flags, a->setblksize);
a->dfd = libxfs_device_to_fd(a->ddev);
platform_findsizes(rawfile, a->dfd,
- &a->dsize, &a->dbsize);
+ &a->dsize, &a->dbsize);
}
- needcd = 1;
} else
a->dsize = 0;
if (logname) {
- if (logname[0] != '/' && needcd)
- chdir(curdir);
if (a->lisfile) {
a->logdev = libxfs_device_open(logname,
a->lcreat, flags, a->setblksize);
a->logfd = libxfs_device_to_fd(a->logdev);
+ platform_findsizes(dname, a->logfd, &a->logBBsize,
+ &a->lbsize);
} else {
if (!check_open(logname, flags, &rawfile, &blockfile))
goto done;
a->lcreat, flags, a->setblksize);
a->logfd = libxfs_device_to_fd(a->logdev);
platform_findsizes(rawfile, a->logfd,
- &a->logBBsize, &a->lbsize);
+ &a->logBBsize, &a->lbsize);
}
- needcd = 1;
} else
a->logBBsize = 0;
if (rtname) {
- if (rtname[0] != '/' && needcd)
- chdir(curdir);
if (a->risfile) {
a->rtdev = libxfs_device_open(rtname,
a->rcreat, flags, a->setblksize);
a->rtfd = libxfs_device_to_fd(a->rtdev);
+ platform_findsizes(dname, a->rtfd, &a->rtsize,
+ &a->rtbsize);
} else {
if (!check_open(rtname, flags, &rawfile, &blockfile))
goto done;
a->rcreat, flags, a->setblksize);
a->rtfd = libxfs_device_to_fd(a->rtdev);
platform_findsizes(rawfile, a->rtfd,
- &a->rtsize, &a->rtbsize);
+ &a->rtsize, &a->rtbsize);
}
- needcd = 1;
} else
a->rtsize = 0;
if (a->dsize < 0) {
progname);
goto done;
}
- if (needcd)
- chdir(curdir);
- if (!libxfs_ihash_size)
- libxfs_ihash_size = LIBXFS_IHASHSIZE(sbp);
- libxfs_icache = cache_init(libxfs_ihash_size, &libxfs_icache_operations);
if (!libxfs_bhash_size)
libxfs_bhash_size = LIBXFS_BHASHSIZE(sbp);
- libxfs_bcache = cache_init(libxfs_bhash_size, &libxfs_bcache_operations);
- manage_zones(0);
+ libxfs_bcache = cache_init(a->bcache_flags, libxfs_bhash_size,
+ &libxfs_bcache_operations);
+ use_xfs_buf_lock = a->usebuflock;
+ xfs_dir_startup();
+ init_zones();
rval = 1;
done:
if (dpath[0])
}
-/*
- * Initialize/destroy all of the zone allocators we use.
- */
-static void
-manage_zones(int release)
-{
- extern xfs_zone_t *xfs_buf_zone;
- extern xfs_zone_t *xfs_ili_zone;
- extern xfs_zone_t *xfs_inode_zone;
- extern xfs_zone_t *xfs_ifork_zone;
- extern xfs_zone_t *xfs_dabuf_zone;
- extern xfs_zone_t *xfs_buf_item_zone;
- extern xfs_zone_t *xfs_da_state_zone;
- extern xfs_zone_t *xfs_btree_cur_zone;
- extern xfs_zone_t *xfs_bmap_free_item_zone;
- extern void xfs_dir_startup();
-
- if (release) { /* free zone allocation */
- libxfs_free(xfs_buf_zone);
- libxfs_free(xfs_inode_zone);
- libxfs_free(xfs_ifork_zone);
- libxfs_free(xfs_dabuf_zone);
- libxfs_free(xfs_buf_item_zone);
- libxfs_free(xfs_da_state_zone);
- libxfs_free(xfs_btree_cur_zone);
- libxfs_free(xfs_bmap_free_item_zone);
- return;
- }
- /* otherwise initialise zone allocation */
- xfs_buf_zone = libxfs_zone_init(sizeof(xfs_buf_t), "xfs_buffer");
- xfs_inode_zone = libxfs_zone_init(sizeof(xfs_inode_t), "xfs_inode");
- xfs_ifork_zone = libxfs_zone_init(sizeof(xfs_ifork_t), "xfs_ifork");
- xfs_dabuf_zone = libxfs_zone_init(sizeof(xfs_dabuf_t), "xfs_dabuf");
- xfs_ili_zone = libxfs_zone_init(
- sizeof(xfs_inode_log_item_t), "xfs_inode_log_item");
- xfs_buf_item_zone = libxfs_zone_init(
- sizeof(xfs_buf_log_item_t), "xfs_buf_log_item");
- xfs_da_state_zone = libxfs_zone_init(
- sizeof(xfs_da_state_t), "xfs_da_state");
- xfs_btree_cur_zone = libxfs_zone_init(
- sizeof(xfs_btree_cur_t), "xfs_btree_cur");
- xfs_bmap_free_item_zone = libxfs_zone_init(
- sizeof(xfs_bmap_free_item_t), "xfs_bmap_free_item");
- xfs_dir_startup();
-}
-
-/*
- * Get the bitmap and summary inodes into the mount structure
- * at mount time.
- */
-static int
-rtmount_inodes(xfs_mount_t *mp)
-{
- int error;
- xfs_sb_t *sbp;
-
- sbp = &mp->m_sb;
- if (sbp->sb_rbmino == NULLFSINO)
- return 0;
- error = libxfs_iget(mp, NULL, sbp->sb_rbmino, 0, &mp->m_rbmip, 0);
- if (error) {
- fprintf(stderr,
- _("%s: cannot read realtime bitmap inode (%d)\n"),
- progname, error);
- return error;
- }
- ASSERT(mp->m_rbmip != NULL);
- ASSERT(sbp->sb_rsumino != NULLFSINO);
- error = libxfs_iget(mp, NULL, sbp->sb_rsumino, 0, &mp->m_rsumip, 0);
- if (error) {
- libxfs_iput(mp->m_rbmip, 0);
- fprintf(stderr,
- _("%s: cannot read realtime summary inode (%d)\n"),
- progname, error);
- return error;
- }
- ASSERT(mp->m_rsumip != NULL);
- return 0;
-}
-
/*
* Initialize realtime fields in the mount structure.
*/
sbp = &mp->m_sb;
if (sbp->sb_rblocks == 0)
return 0;
- if (mp->m_rtdev == 0 && !(flags & LIBXFS_MOUNT_DEBUGGER)) {
+ if (mp->m_rtdev_targp->dev == 0 && !(flags & LIBXFS_MOUNT_DEBUGGER)) {
fprintf(stderr, _("%s: filesystem has a realtime subvolume\n"),
progname);
return -1;
return -1;
}
bp = libxfs_readbuf(mp->m_rtdev,
- d - XFS_FSB_TO_BB(mp, 1), XFS_FSB_TO_BB(mp, 1), 0);
+ d - XFS_FSB_TO_BB(mp, 1), XFS_FSB_TO_BB(mp, 1), 0, NULL);
if (bp == NULL) {
fprintf(stderr, _("%s: realtime size check failed\n"),
progname);
return 0;
}
+static int
+libxfs_initialize_perag(
+ xfs_mount_t *mp,
+ xfs_agnumber_t agcount,
+ xfs_agnumber_t *maxagi)
+{
+ xfs_agnumber_t index, max_metadata;
+ xfs_agnumber_t first_initialised = 0;
+ xfs_perag_t *pag;
+ xfs_agino_t agino;
+ xfs_ino_t ino;
+ xfs_sb_t *sbp = &mp->m_sb;
+ int error = -ENOMEM;
+
+ /*
+ * Walk the current per-ag tree so we don't try to initialise AGs
+ * that already exist (growfs case). Allocate and insert all the
+ * AGs we don't find ready for initialisation.
+ */
+ for (index = 0; index < agcount; index++) {
+ pag = xfs_perag_get(mp, index);
+ if (pag) {
+ xfs_perag_put(pag);
+ continue;
+ }
+ if (!first_initialised)
+ first_initialised = index;
+
+ pag = kmem_zalloc(sizeof(*pag), KM_MAYFAIL);
+ if (!pag)
+ goto out_unwind;
+ pag->pag_agno = index;
+ pag->pag_mount = mp;
+
+ if (radix_tree_insert(&mp->m_perag_tree, index, pag)) {
+ error = -EEXIST;
+ goto out_unwind;
+ }
+ }
+
+ /*
+ * If we mount with the inode64 option, or no inode overflows
+ * the legacy 32-bit address space clear the inode32 option.
+ */
+ agino = XFS_AGB_TO_AGINO(mp, sbp->sb_agblocks - 1);
+ ino = XFS_AGINO_TO_INO(mp, agcount - 1, agino);
+
+ if ((mp->m_flags & XFS_MOUNT_SMALL_INUMS) && ino > XFS_MAXINUMBER_32)
+ mp->m_flags |= XFS_MOUNT_32BITINODES;
+ else
+ mp->m_flags &= ~XFS_MOUNT_32BITINODES;
+
+ if (mp->m_flags & XFS_MOUNT_32BITINODES) {
+ /*
+ * Calculate how much should be reserved for inodes to meet
+ * the max inode percentage.
+ */
+ if (M_IGEO(mp)->maxicount) {
+ uint64_t icount;
+
+ icount = sbp->sb_dblocks * sbp->sb_imax_pct;
+ do_div(icount, 100);
+ icount += sbp->sb_agblocks - 1;
+ do_div(icount, sbp->sb_agblocks);
+ max_metadata = icount;
+ } else {
+ max_metadata = agcount;
+ }
+
+ for (index = 0; index < agcount; index++) {
+ ino = XFS_AGINO_TO_INO(mp, index, agino);
+ if (ino > XFS_MAXINUMBER_32) {
+ index++;
+ break;
+ }
+
+ pag = xfs_perag_get(mp, index);
+ pag->pagi_inodeok = 1;
+ if (index < max_metadata)
+ pag->pagf_metadata = 1;
+ xfs_perag_put(pag);
+ }
+ } else {
+ for (index = 0; index < agcount; index++) {
+ pag = xfs_perag_get(mp, index);
+ pag->pagi_inodeok = 1;
+ xfs_perag_put(pag);
+ }
+ }
+
+ if (maxagi)
+ *maxagi = index;
+
+ mp->m_ag_prealloc_blocks = xfs_prealloc_blocks(mp);
+ return 0;
+
+out_unwind:
+ kmem_free(pag);
+ for (; index > first_initialised; index--) {
+ pag = radix_tree_delete(&mp->m_perag_tree, index);
+ kmem_free(pag);
+ }
+ return error;
+}
+
+static struct xfs_buftarg *
+libxfs_buftarg_alloc(
+ struct xfs_mount *mp,
+ dev_t dev)
+{
+ struct xfs_buftarg *btp;
+
+ btp = malloc(sizeof(*btp));
+ if (!btp) {
+ fprintf(stderr, _("%s: buftarg init failed\n"),
+ progname);
+ exit(1);
+ }
+ btp->bt_mount = mp;
+ btp->dev = dev;
+ return btp;
+}
+
+void
+libxfs_buftarg_init(
+ struct xfs_mount *mp,
+ dev_t dev,
+ dev_t logdev,
+ dev_t rtdev)
+{
+ if (mp->m_ddev_targp) {
+ /* should already have all buftargs initialised */
+ if (mp->m_ddev_targp->dev != dev ||
+ mp->m_ddev_targp->bt_mount != mp) {
+ fprintf(stderr,
+ _("%s: bad buftarg reinit, ddev\n"),
+ progname);
+ exit(1);
+ }
+ if (!logdev || logdev == dev) {
+ if (mp->m_logdev_targp != mp->m_ddev_targp) {
+ fprintf(stderr,
+ _("%s: bad buftarg reinit, ldev mismatch\n"),
+ progname);
+ exit(1);
+ }
+ } else if (mp->m_logdev_targp->dev != logdev ||
+ mp->m_logdev_targp->bt_mount != mp) {
+ fprintf(stderr,
+ _("%s: bad buftarg reinit, logdev\n"),
+ progname);
+ exit(1);
+ }
+ if (rtdev && (mp->m_rtdev_targp->dev != rtdev ||
+ mp->m_rtdev_targp->bt_mount != mp)) {
+ fprintf(stderr,
+ _("%s: bad buftarg reinit, rtdev\n"),
+ progname);
+ exit(1);
+ }
+ return;
+ }
+
+ mp->m_ddev_targp = libxfs_buftarg_alloc(mp, dev);
+ if (!logdev || logdev == dev)
+ mp->m_logdev_targp = mp->m_ddev_targp;
+ else
+ mp->m_logdev_targp = libxfs_buftarg_alloc(mp, logdev);
+ mp->m_rtdev_targp = libxfs_buftarg_alloc(mp, rtdev);
+}
+
/*
* Mount structure initialization, provides a filled-in xfs_mount_t
* such that the numerous XFS_* macros can be used. If dev is zero,
xfs_daddr_t d;
xfs_buf_t *bp;
xfs_sb_t *sbp;
- size_t size;
int error;
- mp->m_dev = dev;
- mp->m_rtdev = rtdev;
- mp->m_logdev = logdev;
+ libxfs_buftarg_init(mp, dev, logdev, rtdev);
+
+ mp->m_finobt_nores = true;
mp->m_flags = (LIBXFS_MOUNT_32BITINODES|LIBXFS_MOUNT_32BITINOOPT);
mp->m_sb = *sb;
+ INIT_RADIX_TREE(&mp->m_perag_tree, GFP_KERNEL);
sbp = &(mp->m_sb);
- libxfs_mount_common(mp, sb);
-
- libxfs_alloc_compute_maxlevels(mp);
- libxfs_bmap_compute_maxlevels(mp, XFS_DATA_FORK);
- libxfs_bmap_compute_maxlevels(mp, XFS_ATTR_FORK);
- libxfs_ialloc_compute_maxlevels(mp);
-
- if (sbp->sb_imax_pct) {
- /* Make sure the maximum inode count is a multiple of the
- * units we allocate inodes in.
- */
- mp->m_maxicount = (sbp->sb_dblocks * sbp->sb_imax_pct) / 100;
- mp->m_maxicount = ((mp->m_maxicount / mp->m_ialloc_blks) *
- mp->m_ialloc_blks) << sbp->sb_inopblog;
- } else
- mp->m_maxicount = 0;
-
- mp->m_inode_cluster_size = XFS_INODE_BIG_CLUSTER_SIZE;
+ xfs_sb_mount_common(mp, sb);
/*
* Set whether we're using stripe alignment.
*/
- if (XFS_SB_VERSION_HASDALIGN(&mp->m_sb)) {
+ if (xfs_sb_version_hasdalign(&mp->m_sb)) {
mp->m_dalign = sbp->sb_unit;
mp->m_swidth = sbp->sb_width;
}
- /*
- * Set whether we're using inode alignment.
- */
- if (XFS_SB_VERSION_HASALIGN(&mp->m_sb) &&
- mp->m_sb.sb_inoalignmt >=
- XFS_B_TO_FSBT(mp, mp->m_inode_cluster_size))
- mp->m_inoalign_mask = mp->m_sb.sb_inoalignmt - 1;
- else
- mp->m_inoalign_mask = 0;
- /*
- * If we are using stripe alignment, check whether
- * the stripe unit is a multiple of the inode alignment
- */
- if ( mp->m_dalign
- && mp->m_inoalign_mask && !(mp->m_dalign & mp->m_inoalign_mask))
- mp->m_sinoalign = mp->m_dalign;
- else
- mp->m_sinoalign = 0;
+ xfs_alloc_compute_maxlevels(mp);
+ xfs_bmap_compute_maxlevels(mp, XFS_DATA_FORK);
+ xfs_bmap_compute_maxlevels(mp, XFS_ATTR_FORK);
+ xfs_ialloc_setup_geometry(mp);
+ xfs_rmapbt_compute_maxlevels(mp);
+ xfs_refcountbt_compute_maxlevels(mp);
/*
* Check that the data (and log if separate) are an ok size.
return NULL;
}
- /* Initialize the appropriate directory manager */
- if (XFS_SB_VERSION_HASDIRV2(sbp))
- libxfs_dir2_mount(mp);
- else
- libxfs_dir_mount(mp);
+ /*
+ * We automatically convert v1 inodes to v2 inodes now, so if
+ * the NLINK bit is not set we can't operate on the filesystem.
+ */
+ if (!(sbp->sb_versionnum & XFS_SB_VERSION_NLINKBIT)) {
+
+ fprintf(stderr, _(
+ "%s: V1 inodes unsupported. Please try an older xfsprogs.\n"),
+ progname);
+ exit(1);
+ }
+
+ /* Check for supported directory formats */
+ if (!(sbp->sb_versionnum & XFS_SB_VERSION_DIRV2BIT)) {
+
+ fprintf(stderr, _(
+ "%s: V1 directories unsupported. Please try an older xfsprogs.\n"),
+ progname);
+ exit(1);
+ }
+
+ /* check for unsupported other features */
+ if (!xfs_sb_good_version(sbp)) {
+ fprintf(stderr, _(
+ "%s: Unsupported features detected. Please try a newer xfsprogs.\n"),
+ progname);
+ exit(1);
+ }
+
+ xfs_da_mount(mp);
- /* Initialize cached values for the attribute manager */
- mp->m_attr_magicpct = (mp->m_sb.sb_blocksize * 37) / 100;
+ if (xfs_sb_version_hasattr2(&mp->m_sb))
+ mp->m_flags |= LIBXFS_MOUNT_ATTR2;
/* Initialize the precomputed transaction reservations values */
- libxfs_trans_init(mp);
+ xfs_trans_init(mp);
if (dev == 0) /* maxtrres, we have no device so leave now */
return mp;
bp = libxfs_readbuf(mp->m_dev,
d - XFS_FSS_TO_BB(mp, 1), XFS_FSS_TO_BB(mp, 1),
- !(flags & LIBXFS_MOUNT_DEBUGGER));
+ !(flags & LIBXFS_MOUNT_DEBUGGER), NULL);
if (!bp) {
fprintf(stderr, _("%s: data size check failed\n"), progname);
if (!(flags & LIBXFS_MOUNT_DEBUGGER))
return NULL;
- }
- libxfs_putbuf(bp);
+ } else
+ libxfs_putbuf(bp);
- if (mp->m_logdev && mp->m_logdev != mp->m_dev) {
+ if (mp->m_logdev_targp->dev &&
+ mp->m_logdev_targp->dev != mp->m_ddev_targp->dev) {
d = (xfs_daddr_t) XFS_FSB_TO_BB(mp, mp->m_sb.sb_logblocks);
if ( (XFS_BB_TO_FSB(mp, d) != mp->m_sb.sb_logblocks) ||
- (!(bp = libxfs_readbuf(mp->m_logdev,
+ (!(bp = libxfs_readbuf(mp->m_logdev_targp,
d - XFS_FSB_TO_BB(mp, 1),
XFS_FSB_TO_BB(mp, 1),
- !(flags & LIBXFS_MOUNT_DEBUGGER)))) ) {
+ !(flags & LIBXFS_MOUNT_DEBUGGER), NULL))) ) {
fprintf(stderr, _("%s: log size checks failed\n"),
progname);
if (!(flags & LIBXFS_MOUNT_DEBUGGER))
return NULL;
}
- libxfs_putbuf(bp);
+ if (bp)
+ libxfs_putbuf(bp);
}
/* Initialize realtime fields in the mount structure */
return NULL;
}
- /* Allocate and initialize the per-ag data */
- size = sbp->sb_agcount * sizeof(xfs_perag_t);
- if (size && (mp->m_perag = calloc(size, 1)) == NULL) {
- fprintf(stderr, _("%s: failed to alloc %ld bytes: %s\n"),
- progname, (long)size, strerror(errno));
- exit(1);
- }
-
- mp->m_maxagi = libxfs_initialize_perag(mp, sbp->sb_agcount);
-
/*
- * mkfs calls mount before the root inode is allocated.
+ * libxfs_initialize_perag will allocate a perag structure for each ag.
+ * If agcount is corrupted and insanely high, this will OOM the box.
+ * If the agount seems (arbitrarily) high, try to read what would be
+ * the last AG, and if that fails for a relatively high agcount, just
+ * read the first one and let the user know to check the geometry.
*/
- if ((flags & LIBXFS_MOUNT_ROOTINOS) && sbp->sb_rootino != NULLFSINO) {
- error = libxfs_iget(mp, NULL, sbp->sb_rootino, 0,
- &mp->m_rootip, 0);
- if (error) {
- fprintf(stderr, _("%s: cannot read root inode (%d)\n"),
- progname, error);
+ if (sbp->sb_agcount > 1000000) {
+ bp = libxfs_readbuf(mp->m_dev,
+ XFS_AG_DADDR(mp, sbp->sb_agcount - 1, 0), 1,
+ !(flags & LIBXFS_MOUNT_DEBUGGER), NULL);
+ if (bp->b_error) {
+ fprintf(stderr, _("%s: read of AG %u failed\n"),
+ progname, sbp->sb_agcount);
if (!(flags & LIBXFS_MOUNT_DEBUGGER))
return NULL;
+ fprintf(stderr, _("%s: limiting reads to AG 0\n"),
+ progname);
+ sbp->sb_agcount = 1;
}
- ASSERT(mp->m_rootip != NULL);
+ libxfs_putbuf(bp);
}
- if ((flags & LIBXFS_MOUNT_ROOTINOS) && rtmount_inodes(mp)) {
- libxfs_iput(mp->m_rootip, 0);
- return NULL;
+
+ error = libxfs_initialize_perag(mp, sbp->sb_agcount, &mp->m_maxagi);
+ if (error) {
+ fprintf(stderr, _("%s: perag init failed\n"),
+ progname);
+ exit(1);
}
+
return mp;
}
libxfs_rtmount_destroy(xfs_mount_t *mp)
{
if (mp->m_rsumip)
- libxfs_iput(mp->m_rsumip, 0);
+ libxfs_irele(mp->m_rsumip);
if (mp->m_rbmip)
- libxfs_iput(mp->m_rbmip, 0);
+ libxfs_irele(mp->m_rbmip);
mp->m_rsumip = mp->m_rbmip = NULL;
}
void
libxfs_umount(xfs_mount_t *mp)
{
+ struct xfs_perag *pag;
+ int agno;
+
libxfs_rtmount_destroy(mp);
- libxfs_icache_purge();
libxfs_bcache_purge();
- if (mp->m_perag) {
- int agno;
- for (agno = 0; agno < mp->m_maxagi; agno++) {
- if (mp->m_perag[agno].pagb_list)
- free(mp->m_perag[agno].pagb_list);
- }
- free(mp->m_perag);
+ for (agno = 0; agno < mp->m_maxagi; agno++) {
+ pag = radix_tree_delete(&mp->m_perag_tree, agno);
+ kmem_free(pag);
}
+
+ kmem_free(mp->m_attr_geo);
+ kmem_free(mp->m_dir_geo);
+
+ kmem_free(mp->m_rtdev_targp);
+ if (mp->m_logdev_targp != mp->m_ddev_targp)
+ kmem_free(mp->m_logdev_targp);
+ kmem_free(mp->m_ddev_targp);
+
}
/*
void
libxfs_destroy(void)
{
- manage_zones(1);
- cache_destroy(libxfs_icache);
+ int leaked;
+
+ /* Free everything from the buffer cache before freeing buffer zone */
+ libxfs_bcache_purge();
+ libxfs_bcache_free();
cache_destroy(libxfs_bcache);
+ leaked = destroy_zones();
+ if (getenv("LIBXFS_LEAK_CHECK") && leaked)
+ exit(1);
+}
+
+int
+libxfs_device_alignment(void)
+{
+ return platform_align_blockdev();
}
void
time_t t;
char *c;
- cache_report(fp, "libxfs_icache", libxfs_icache);
cache_report(fp, "libxfs_bcache", libxfs_bcache);
t = time(NULL);
c = asctime(localtime(&t));
fprintf(fp, "%s", c);
}
-
-char *
-libxfs_findrawpath(char *path)
-{
- return platform_findrawpath(path);
-}
projects / thirdparty / xfsprogs-dev.git / blobdiff