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Diffstat (limited to 'fs/xfs/xfs_mount.c')
-rw-r--r--fs/xfs/xfs_mount.c70
1 files changed, 30 insertions, 40 deletions
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index d7bf38c8cd1c..69f62d8b2816 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -268,10 +268,10 @@ xfs_sb_validate_fsb_count(
#if XFS_BIG_BLKNOS /* Limited by ULONG_MAX of page cache index */
if (nblocks >> (PAGE_CACHE_SHIFT - sbp->sb_blocklog) > ULONG_MAX)
- return E2BIG;
+ return EFBIG;
#else /* Limited by UINT_MAX of sectors */
if (nblocks << (sbp->sb_blocklog - BBSHIFT) > UINT_MAX)
- return E2BIG;
+ return EFBIG;
#endif
return 0;
}
@@ -393,7 +393,7 @@ xfs_mount_validate_sb(
xfs_sb_validate_fsb_count(sbp, sbp->sb_rblocks)) {
xfs_fs_mount_cmn_err(flags,
"file system too large to be mounted on this system.");
- return XFS_ERROR(E2BIG);
+ return XFS_ERROR(EFBIG);
}
if (unlikely(sbp->sb_inprogress)) {
@@ -413,17 +413,6 @@ xfs_mount_validate_sb(
return 0;
}
-STATIC void
-xfs_initialize_perag_icache(
- xfs_perag_t *pag)
-{
- if (!pag->pag_ici_init) {
- rwlock_init(&pag->pag_ici_lock);
- INIT_RADIX_TREE(&pag->pag_ici_root, GFP_ATOMIC);
- pag->pag_ici_init = 1;
- }
-}
-
int
xfs_initialize_perag(
xfs_mount_t *mp,
@@ -436,13 +425,8 @@ xfs_initialize_perag(
xfs_agino_t agino;
xfs_ino_t ino;
xfs_sb_t *sbp = &mp->m_sb;
- xfs_ino_t max_inum = XFS_MAXINUMBER_32;
int error = -ENOMEM;
- /* Check to see if the filesystem can overflow 32 bit inodes */
- agino = XFS_OFFBNO_TO_AGINO(mp, sbp->sb_agblocks - 1, 0);
- ino = XFS_AGINO_TO_INO(mp, agcount - 1, agino);
-
/*
* Walk the current per-ag tree so we don't try to initialise AGs
* that already exist (growfs case). Allocate and insert all the
@@ -456,11 +440,18 @@ xfs_initialize_perag(
}
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;
+ rwlock_init(&pag->pag_ici_lock);
+ INIT_RADIX_TREE(&pag->pag_ici_root, GFP_ATOMIC);
+
if (radix_tree_preload(GFP_NOFS))
goto out_unwind;
+
spin_lock(&mp->m_perag_lock);
if (radix_tree_insert(&mp->m_perag_tree, index, pag)) {
BUG();
@@ -469,25 +460,26 @@ xfs_initialize_perag(
error = -EEXIST;
goto out_unwind;
}
- pag->pag_agno = index;
- pag->pag_mount = mp;
spin_unlock(&mp->m_perag_lock);
radix_tree_preload_end();
}
- /* Clear the mount flag if no inode can overflow 32 bits
- * on this filesystem, or if specifically requested..
+ /*
+ * If we mount with the inode64 option, or no inode overflows
+ * the legacy 32-bit address space clear the inode32 option.
*/
- if ((mp->m_flags & XFS_MOUNT_SMALL_INUMS) && ino > max_inum) {
+ agino = XFS_OFFBNO_TO_AGINO(mp, sbp->sb_agblocks - 1, 0);
+ 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 {
+ else
mp->m_flags &= ~XFS_MOUNT_32BITINODES;
- }
- /* If we can overflow then setup the ag headers accordingly */
if (mp->m_flags & XFS_MOUNT_32BITINODES) {
- /* Calculate how much should be reserved for inodes to
- * meet the max inode percentage.
+ /*
+ * Calculate how much should be reserved for inodes to meet
+ * the max inode percentage.
*/
if (mp->m_maxicount) {
__uint64_t icount;
@@ -500,30 +492,28 @@ xfs_initialize_perag(
} else {
max_metadata = agcount;
}
+
for (index = 0; index < agcount; index++) {
ino = XFS_AGINO_TO_INO(mp, index, agino);
- if (ino > max_inum) {
+ if (ino > XFS_MAXINUMBER_32) {
index++;
break;
}
- /* This ag is preferred for inodes */
pag = xfs_perag_get(mp, index);
pag->pagi_inodeok = 1;
if (index < max_metadata)
pag->pagf_metadata = 1;
- xfs_initialize_perag_icache(pag);
xfs_perag_put(pag);
}
} else {
- /* Setup default behavior for smaller filesystems */
for (index = 0; index < agcount; index++) {
pag = xfs_perag_get(mp, index);
pag->pagi_inodeok = 1;
- xfs_initialize_perag_icache(pag);
xfs_perag_put(pag);
}
}
+
if (maxagi)
*maxagi = index;
return 0;
@@ -1009,7 +999,7 @@ 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) {
cmn_err(CE_WARN, "XFS: size check 1 failed");
- return XFS_ERROR(E2BIG);
+ return XFS_ERROR(EFBIG);
}
error = xfs_read_buf(mp, mp->m_ddev_targp,
d - XFS_FSS_TO_BB(mp, 1),
@@ -1019,7 +1009,7 @@ xfs_check_sizes(xfs_mount_t *mp)
} else {
cmn_err(CE_WARN, "XFS: size check 2 failed");
if (error == ENOSPC)
- error = XFS_ERROR(E2BIG);
+ error = XFS_ERROR(EFBIG);
return error;
}
@@ -1027,7 +1017,7 @@ 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) {
cmn_err(CE_WARN, "XFS: size check 3 failed");
- return XFS_ERROR(E2BIG);
+ return XFS_ERROR(EFBIG);
}
error = xfs_read_buf(mp, mp->m_logdev_targp,
d - XFS_FSB_TO_BB(mp, 1),
@@ -1037,7 +1027,7 @@ xfs_check_sizes(xfs_mount_t *mp)
} else {
cmn_err(CE_WARN, "XFS: size check 3 failed");
if (error == ENOSPC)
- error = XFS_ERROR(E2BIG);
+ error = XFS_ERROR(EFBIG);
return error;
}
}
@@ -1254,7 +1244,7 @@ xfs_mountfs(
* Allocate and initialize the per-ag data.
*/
spin_lock_init(&mp->m_perag_lock);
- INIT_RADIX_TREE(&mp->m_perag_tree, GFP_NOFS);
+ INIT_RADIX_TREE(&mp->m_perag_tree, GFP_ATOMIC);
error = xfs_initialize_perag(mp, sbp->sb_agcount, &mp->m_maxagi);
if (error) {
cmn_err(CE_WARN, "XFS: Failed per-ag init: %d", error);
@@ -1310,7 +1300,7 @@ xfs_mountfs(
* Get and sanity-check the root inode.
* Save the pointer to it in the mount structure.
*/
- error = xfs_iget(mp, NULL, sbp->sb_rootino, 0, XFS_ILOCK_EXCL, &rip, 0);
+ error = xfs_iget(mp, NULL, sbp->sb_rootino, 0, XFS_ILOCK_EXCL, &rip);
if (error) {
cmn_err(CE_WARN, "XFS: failed to read root inode");
goto out_log_dealloc;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.