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-rw-r--r--fs/xfs/linux-2.6/xfs_sync.c9
-rw-r--r--fs/xfs/xfs_ag.h1
-rw-r--r--fs/xfs/xfs_iget.c3
-rw-r--r--fs/xfs/xfs_inode.c2
-rw-r--r--fs/xfs/xfs_mount.c52
5 files changed, 21 insertions, 46 deletions
diff --git a/fs/xfs/linux-2.6/xfs_sync.c b/fs/xfs/linux-2.6/xfs_sync.c
index 3884e20..ef7f021 100644
--- a/fs/xfs/linux-2.6/xfs_sync.c
+++ b/fs/xfs/linux-2.6/xfs_sync.c
@@ -164,10 +164,6 @@ xfs_inode_ag_iterator(
struct xfs_perag *pag;
pag = xfs_perag_get(mp, ag);
- if (!pag->pag_ici_init) {
- xfs_perag_put(pag);
- continue;
- }
error = xfs_inode_ag_walk(mp, pag, execute, flags, tag,
exclusive, &nr);
xfs_perag_put(pag);
@@ -867,12 +863,7 @@ xfs_reclaim_inode_shrink(
down_read(&xfs_mount_list_lock);
list_for_each_entry(mp, &xfs_mount_list, m_mplist) {
for (ag = 0; ag < mp->m_sb.sb_agcount; ag++) {
-
pag = xfs_perag_get(mp, ag);
- if (!pag->pag_ici_init) {
- xfs_perag_put(pag);
- continue;
- }
reclaimable += pag->pag_ici_reclaimable;
xfs_perag_put(pag);
}
diff --git a/fs/xfs/xfs_ag.h b/fs/xfs/xfs_ag.h
index 401f364..4917d4e 100644
--- a/fs/xfs/xfs_ag.h
+++ b/fs/xfs/xfs_ag.h
@@ -227,7 +227,6 @@ typedef struct xfs_perag {
atomic_t pagf_fstrms; /* # of filestreams active in this AG */
- int pag_ici_init; /* incore inode cache initialised */
rwlock_t pag_ici_lock; /* incore inode lock */
struct radix_tree_root pag_ici_root; /* incore inode cache root */
int pag_ici_reclaimable; /* reclaimable inodes */
diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c
index 6845db9..f44a367 100644
--- a/fs/xfs/xfs_iget.c
+++ b/fs/xfs/xfs_iget.c
@@ -382,9 +382,6 @@ xfs_iget(
/* get the perag structure and ensure that it's inode capable */
pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, ino));
- if (!pag->pagi_inodeok)
- return EINVAL;
- ASSERT(pag->pag_ici_init);
agino = XFS_INO_TO_AGINO(mp, ino);
again:
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 8cd6e8d..6ba7765 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -2649,8 +2649,6 @@ xfs_iflush_cluster(
int i;
pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, ip->i_ino));
- ASSERT(pag->pagi_inodeok);
- ASSERT(pag->pag_ici_init);
inodes_per_cluster = XFS_INODE_CLUSTER_SIZE(mp) >> mp->m_sb.sb_inodelog;
ilist_size = inodes_per_cluster * sizeof(xfs_inode_t *);
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index ef1233b..d59f4e8 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -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;
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