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-rw-r--r--fs/xfs/xfs_mount.c33
-rw-r--r--fs/xfs/xfs_mount.h2
-rw-r--r--fs/xfs/xfs_trans.c17
3 files changed, 13 insertions, 39 deletions
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index bb91f04266b9..d5dcf9869860 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -1190,39 +1190,6 @@ xfs_log_sbcount(xfs_mount_t *mp)
}
/*
- * Deltas for the inode count are +/-64, hence we use a large batch size
- * of 128 so we don't need to take the counter lock on every update.
- */
-#define XFS_ICOUNT_BATCH 128
-int
-xfs_mod_icount(
- struct xfs_mount *mp,
- int64_t delta)
-{
- percpu_counter_add_batch(&mp->m_icount, delta, XFS_ICOUNT_BATCH);
- if (__percpu_counter_compare(&mp->m_icount, 0, XFS_ICOUNT_BATCH) < 0) {
- ASSERT(0);
- percpu_counter_add(&mp->m_icount, -delta);
- return -EINVAL;
- }
- return 0;
-}
-
-int
-xfs_mod_ifree(
- struct xfs_mount *mp,
- int64_t delta)
-{
- percpu_counter_add(&mp->m_ifree, delta);
- if (percpu_counter_compare(&mp->m_ifree, 0) < 0) {
- ASSERT(0);
- percpu_counter_add(&mp->m_ifree, -delta);
- return -EINVAL;
- }
- return 0;
-}
-
-/*
* Deltas for the block count can vary from 1 to very large, but lock contention
* only occurs on frequent small block count updates such as in the delayed
* allocation path for buffered writes (page a time updates). Hence we set
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index aba5a1579279..4835581f3eb0 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -392,8 +392,6 @@ extern int xfs_initialize_perag(xfs_mount_t *mp, xfs_agnumber_t agcount,
xfs_agnumber_t *maxagi);
extern void xfs_unmountfs(xfs_mount_t *);
-extern int xfs_mod_icount(struct xfs_mount *mp, int64_t delta);
-extern int xfs_mod_ifree(struct xfs_mount *mp, int64_t delta);
extern int xfs_mod_fdblocks(struct xfs_mount *mp, int64_t delta,
bool reserved);
extern int xfs_mod_frextents(struct xfs_mount *mp, int64_t delta);
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index e4e29135ad1b..2222a0ed3155 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -545,7 +545,12 @@ xfs_trans_apply_sb_deltas(
* used block counts are not updated in the on disk superblock. In this case,
* XFS_TRANS_SB_DIRTY will not be set when the transaction is updated but we
* still need to update the incore superblock with the changes.
+ *
+ * Deltas for the inode count are +/-64, hence we use a large batch size of 128
+ * so we don't need to take the counter lock on every update.
*/
+#define XFS_ICOUNT_BATCH 128
+
void
xfs_trans_unreserve_and_mod_sb(
struct xfs_trans *tp)
@@ -585,13 +590,17 @@ xfs_trans_unreserve_and_mod_sb(
}
if (idelta) {
- error = xfs_mod_icount(mp, idelta);
- ASSERT(!error);
+ percpu_counter_add_batch(&mp->m_icount, idelta,
+ XFS_ICOUNT_BATCH);
+ if (idelta < 0)
+ ASSERT(__percpu_counter_compare(&mp->m_icount, 0,
+ XFS_ICOUNT_BATCH) >= 0);
}
if (ifreedelta) {
- error = xfs_mod_ifree(mp, ifreedelta);
- ASSERT(!error);
+ percpu_counter_add(&mp->m_ifree, ifreedelta);
+ if (ifreedelta < 0)
+ ASSERT(percpu_counter_compare(&mp->m_ifree, 0) >= 0);
}
if (rtxdelta == 0 && !(tp->t_flags & XFS_TRANS_SB_DIRTY))