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path: root/fs/xfs/xfs_mount.c
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Diffstat (limited to 'fs/xfs/xfs_mount.c')
-rw-r--r--fs/xfs/xfs_mount.c97
1 files changed, 52 insertions, 45 deletions
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index 3507cd0ec400..fbf0384a466f 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -42,6 +42,7 @@
#include "xfs_trace.h"
#include "xfs_icache.h"
#include "xfs_dinode.h"
+#include "xfs_sysfs.h"
#ifdef HAVE_PERCPU_SB
@@ -60,6 +61,8 @@ static DEFINE_MUTEX(xfs_uuid_table_mutex);
static int xfs_uuid_table_size;
static uuid_t *xfs_uuid_table;
+extern struct kset *xfs_kset;
+
/*
* See if the UUID is unique among mounted XFS filesystems.
* Mount fails if UUID is nil or a FS with the same UUID is already mounted.
@@ -76,7 +79,7 @@ xfs_uuid_mount(
if (uuid_is_nil(uuid)) {
xfs_warn(mp, "Filesystem has nil UUID - can't mount");
- return XFS_ERROR(EINVAL);
+ return -EINVAL;
}
mutex_lock(&xfs_uuid_table_mutex);
@@ -104,7 +107,7 @@ xfs_uuid_mount(
out_duplicate:
mutex_unlock(&xfs_uuid_table_mutex);
xfs_warn(mp, "Filesystem has duplicate UUID %pU - can't mount", uuid);
- return XFS_ERROR(EINVAL);
+ return -EINVAL;
}
STATIC void
@@ -173,13 +176,9 @@ xfs_sb_validate_fsb_count(
ASSERT(PAGE_SHIFT >= sbp->sb_blocklog);
ASSERT(sbp->sb_blocklog >= BBSHIFT);
-#if XFS_BIG_BLKNOS /* Limited by ULONG_MAX of page cache index */
+ /* Limited by ULONG_MAX of page cache index */
if (nblocks >> (PAGE_CACHE_SHIFT - sbp->sb_blocklog) > ULONG_MAX)
- return EFBIG;
-#else /* Limited by UINT_MAX of sectors */
- if (nblocks << (sbp->sb_blocklog - BBSHIFT) > UINT_MAX)
- return EFBIG;
-#endif
+ return -EFBIG;
return 0;
}
@@ -250,9 +249,9 @@ xfs_initialize_perag(
mp->m_flags &= ~XFS_MOUNT_32BITINODES;
if (mp->m_flags & XFS_MOUNT_32BITINODES)
- index = xfs_set_inode32(mp);
+ index = xfs_set_inode32(mp, agcount);
else
- index = xfs_set_inode64(mp);
+ index = xfs_set_inode64(mp, agcount);
if (maxagi)
*maxagi = index;
@@ -308,15 +307,15 @@ reread:
if (!bp) {
if (loud)
xfs_warn(mp, "SB buffer read failed");
- return EIO;
+ return -EIO;
}
if (bp->b_error) {
error = bp->b_error;
if (loud)
xfs_warn(mp, "SB validate failed with error %d.", error);
/* bad CRC means corrupted metadata */
- if (error == EFSBADCRC)
- error = EFSCORRUPTED;
+ if (error == -EFSBADCRC)
+ error = -EFSCORRUPTED;
goto release_buf;
}
@@ -324,7 +323,6 @@ reread:
* Initialize the mount structure from the superblock.
*/
xfs_sb_from_disk(sbp, XFS_BUF_TO_SBP(bp));
- xfs_sb_quota_from_disk(sbp);
/*
* If we haven't validated the superblock, do so now before we try
@@ -333,7 +331,7 @@ reread:
if (sbp->sb_magicnum != XFS_SB_MAGIC) {
if (loud)
xfs_warn(mp, "Invalid superblock magic number");
- error = EINVAL;
+ error = -EINVAL;
goto release_buf;
}
@@ -344,7 +342,7 @@ reread:
if (loud)
xfs_warn(mp, "device supports %u byte sectors (not %u)",
sector_size, sbp->sb_sectsize);
- error = ENOSYS;
+ error = -ENOSYS;
goto release_buf;
}
@@ -392,7 +390,7 @@ xfs_update_alignment(xfs_mount_t *mp)
xfs_warn(mp,
"alignment check failed: sunit/swidth vs. blocksize(%d)",
sbp->sb_blocksize);
- return XFS_ERROR(EINVAL);
+ return -EINVAL;
} else {
/*
* Convert the stripe unit and width to FSBs.
@@ -402,14 +400,14 @@ xfs_update_alignment(xfs_mount_t *mp)
xfs_warn(mp,
"alignment check failed: sunit/swidth vs. agsize(%d)",
sbp->sb_agblocks);
- return XFS_ERROR(EINVAL);
+ return -EINVAL;
} else if (mp->m_dalign) {
mp->m_swidth = XFS_BB_TO_FSBT(mp, mp->m_swidth);
} else {
xfs_warn(mp,
"alignment check failed: sunit(%d) less than bsize(%d)",
mp->m_dalign, sbp->sb_blocksize);
- return XFS_ERROR(EINVAL);
+ return -EINVAL;
}
}
@@ -429,7 +427,7 @@ xfs_update_alignment(xfs_mount_t *mp)
} else {
xfs_warn(mp,
"cannot change alignment: superblock does not support data alignment");
- return XFS_ERROR(EINVAL);
+ return -EINVAL;
}
} else if ((mp->m_flags & XFS_MOUNT_NOALIGN) != XFS_MOUNT_NOALIGN &&
xfs_sb_version_hasdalign(&mp->m_sb)) {
@@ -556,14 +554,14 @@ xfs_check_sizes(xfs_mount_t *mp)
d = (xfs_daddr_t)XFS_FSB_TO_BB(mp, mp->m_sb.sb_dblocks);
if (XFS_BB_TO_FSB(mp, d) != mp->m_sb.sb_dblocks) {
xfs_warn(mp, "filesystem size mismatch detected");
- return XFS_ERROR(EFBIG);
+ return -EFBIG;
}
bp = xfs_buf_read_uncached(mp->m_ddev_targp,
d - XFS_FSS_TO_BB(mp, 1),
XFS_FSS_TO_BB(mp, 1), 0, NULL);
if (!bp) {
xfs_warn(mp, "last sector read failed");
- return EIO;
+ return -EIO;
}
xfs_buf_relse(bp);
@@ -571,14 +569,14 @@ xfs_check_sizes(xfs_mount_t *mp)
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) {
xfs_warn(mp, "log size mismatch detected");
- return XFS_ERROR(EFBIG);
+ return -EFBIG;
}
bp = xfs_buf_read_uncached(mp->m_logdev_targp,
d - XFS_FSB_TO_BB(mp, 1),
XFS_FSB_TO_BB(mp, 1), 0, NULL);
if (!bp) {
xfs_warn(mp, "log device read failed");
- return EIO;
+ return -EIO;
}
xfs_buf_relse(bp);
}
@@ -731,10 +729,15 @@ xfs_mountfs(
xfs_set_maxicount(mp);
- error = xfs_uuid_mount(mp);
+ mp->m_kobj.kobject.kset = xfs_kset;
+ error = xfs_sysfs_init(&mp->m_kobj, &xfs_mp_ktype, NULL, mp->m_fsname);
if (error)
goto out;
+ error = xfs_uuid_mount(mp);
+ if (error)
+ goto out_remove_sysfs;
+
/*
* Set the minimum read and write sizes
*/
@@ -816,7 +819,7 @@ xfs_mountfs(
if (!sbp->sb_logblocks) {
xfs_warn(mp, "no log defined");
XFS_ERROR_REPORT("xfs_mountfs", XFS_ERRLEVEL_LOW, mp);
- error = XFS_ERROR(EFSCORRUPTED);
+ error = -EFSCORRUPTED;
goto out_free_perag;
}
@@ -855,7 +858,7 @@ xfs_mountfs(
!mp->m_sb.sb_inprogress) {
error = xfs_initialize_perag_data(mp, sbp->sb_agcount);
if (error)
- goto out_fail_wait;
+ goto out_log_dealloc;
}
/*
@@ -876,7 +879,7 @@ xfs_mountfs(
xfs_iunlock(rip, XFS_ILOCK_EXCL);
XFS_ERROR_REPORT("xfs_mountfs_int(2)", XFS_ERRLEVEL_LOW,
mp);
- error = XFS_ERROR(EFSCORRUPTED);
+ error = -EFSCORRUPTED;
goto out_rele_rip;
}
mp->m_rootip = rip; /* save it */
@@ -927,7 +930,7 @@ xfs_mountfs(
xfs_notice(mp, "resetting quota flags");
error = xfs_mount_reset_sbqflags(mp);
if (error)
- return error;
+ goto out_rtunmount;
}
}
@@ -989,6 +992,8 @@ xfs_mountfs(
xfs_da_unmount(mp);
out_remove_uuid:
xfs_uuid_unmount(mp);
+ out_remove_sysfs:
+ xfs_sysfs_del(&mp->m_kobj);
out:
return error;
}
@@ -1071,6 +1076,8 @@ xfs_unmountfs(
xfs_errortag_clearall(mp, 0);
#endif
xfs_free_perag(mp);
+
+ xfs_sysfs_del(&mp->m_kobj);
}
int
@@ -1152,7 +1159,7 @@ xfs_mod_incore_sb_unlocked(
lcounter += delta;
if (lcounter < 0) {
ASSERT(0);
- return XFS_ERROR(EINVAL);
+ return -EINVAL;
}
mp->m_sb.sb_icount = lcounter;
return 0;
@@ -1161,7 +1168,7 @@ xfs_mod_incore_sb_unlocked(
lcounter += delta;
if (lcounter < 0) {
ASSERT(0);
- return XFS_ERROR(EINVAL);
+ return -EINVAL;
}
mp->m_sb.sb_ifree = lcounter;
return 0;
@@ -1191,7 +1198,7 @@ xfs_mod_incore_sb_unlocked(
* blocks if were allowed to.
*/
if (!rsvd)
- return XFS_ERROR(ENOSPC);
+ return -ENOSPC;
lcounter = (long long)mp->m_resblks_avail + delta;
if (lcounter >= 0) {
@@ -1202,7 +1209,7 @@ xfs_mod_incore_sb_unlocked(
"Filesystem \"%s\": reserve blocks depleted! "
"Consider increasing reserve pool size.",
mp->m_fsname);
- return XFS_ERROR(ENOSPC);
+ return -ENOSPC;
}
mp->m_sb.sb_fdblocks = lcounter + XFS_ALLOC_SET_ASIDE(mp);
@@ -1211,7 +1218,7 @@ xfs_mod_incore_sb_unlocked(
lcounter = (long long)mp->m_sb.sb_frextents;
lcounter += delta;
if (lcounter < 0) {
- return XFS_ERROR(ENOSPC);
+ return -ENOSPC;
}
mp->m_sb.sb_frextents = lcounter;
return 0;
@@ -1220,7 +1227,7 @@ xfs_mod_incore_sb_unlocked(
lcounter += delta;
if (lcounter < 0) {
ASSERT(0);
- return XFS_ERROR(EINVAL);
+ return -EINVAL;
}
mp->m_sb.sb_dblocks = lcounter;
return 0;
@@ -1229,7 +1236,7 @@ xfs_mod_incore_sb_unlocked(
scounter += delta;
if (scounter < 0) {
ASSERT(0);
- return XFS_ERROR(EINVAL);
+ return -EINVAL;
}
mp->m_sb.sb_agcount = scounter;
return 0;
@@ -1238,7 +1245,7 @@ xfs_mod_incore_sb_unlocked(
scounter += delta;
if (scounter < 0) {
ASSERT(0);
- return XFS_ERROR(EINVAL);
+ return -EINVAL;
}
mp->m_sb.sb_imax_pct = scounter;
return 0;
@@ -1247,7 +1254,7 @@ xfs_mod_incore_sb_unlocked(
scounter += delta;
if (scounter < 0) {
ASSERT(0);
- return XFS_ERROR(EINVAL);
+ return -EINVAL;
}
mp->m_sb.sb_rextsize = scounter;
return 0;
@@ -1256,7 +1263,7 @@ xfs_mod_incore_sb_unlocked(
scounter += delta;
if (scounter < 0) {
ASSERT(0);
- return XFS_ERROR(EINVAL);
+ return -EINVAL;
}
mp->m_sb.sb_rbmblocks = scounter;
return 0;
@@ -1265,7 +1272,7 @@ xfs_mod_incore_sb_unlocked(
lcounter += delta;
if (lcounter < 0) {
ASSERT(0);
- return XFS_ERROR(EINVAL);
+ return -EINVAL;
}
mp->m_sb.sb_rblocks = lcounter;
return 0;
@@ -1274,7 +1281,7 @@ xfs_mod_incore_sb_unlocked(
lcounter += delta;
if (lcounter < 0) {
ASSERT(0);
- return XFS_ERROR(EINVAL);
+ return -EINVAL;
}
mp->m_sb.sb_rextents = lcounter;
return 0;
@@ -1283,13 +1290,13 @@ xfs_mod_incore_sb_unlocked(
scounter += delta;
if (scounter < 0) {
ASSERT(0);
- return XFS_ERROR(EINVAL);
+ return -EINVAL;
}
mp->m_sb.sb_rextslog = scounter;
return 0;
default:
ASSERT(0);
- return XFS_ERROR(EINVAL);
+ return -EINVAL;
}
}
@@ -1452,7 +1459,7 @@ xfs_dev_is_read_only(
(mp->m_rtdev_targp && xfs_readonly_buftarg(mp->m_rtdev_targp))) {
xfs_notice(mp, "%s required on read-only device.", message);
xfs_notice(mp, "write access unavailable, cannot proceed.");
- return EROFS;
+ return -EROFS;
}
return 0;
}
@@ -1995,7 +2002,7 @@ slow_path:
* (e.g. lots of space just got freed). After that
* we are done.
*/
- if (ret != ENOSPC)
+ if (ret != -ENOSPC)
xfs_icsb_balance_counter(mp, field, 0);
xfs_icsb_unlock(mp);
return ret;
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-27 21:13:15 +0300