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authorDave Chinner <dchinner@redhat.com>2015-02-23 21:19:53 +1100
committerDave Chinner <david@fromorbit.com>2015-02-23 21:19:53 +1100
commite88b64ea1f3da64dbb52636377be295c90367377 (patch)
tree0031d3ed6f296981fdcd2b9f4cf3cebc8b557ab8 /fs/xfs/xfs_trans.c
parent501ab32387533924b211cacff36d19296414ec0b (diff)
downloadlinux-e88b64ea1f3da64dbb52636377be295c90367377.tar.bz2
xfs: use generic percpu counters for free inode counter
XFS has hand-rolled per-cpu counters for the superblock since before there was any generic implementation. The free inode counter is not used for any limit enforcement - the per-AG free inode counters are used during allocation to determine if there are inode available for allocation. Hence we don't need any of the complexity of the hand-rolled counters and we can simply replace them with generic per-cpu counters similar to the inode counter. This version introduces a xfs_mod_ifree() helper function from Christoph Hellwig. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Brian Foster <bfoster@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/xfs/xfs_trans.c')
-rw-r--r--fs/xfs/xfs_trans.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index 9bc742b65f24..68680ce67547 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -560,8 +560,7 @@ xfs_trans_unreserve_and_mod_sb(
}
if (ifreedelta) {
- error = xfs_icsb_modify_counters(mp, XFS_SBS_IFREE,
- ifreedelta, rsvd);
+ error = xfs_mod_ifree(mp, ifreedelta);
if (error)
goto out_undo_icount;
}
@@ -630,7 +629,7 @@ xfs_trans_unreserve_and_mod_sb(
out_undo_ifreecount:
if (ifreedelta)
- xfs_icsb_modify_counters(mp, XFS_SBS_IFREE, -ifreedelta, rsvd);
+ xfs_mod_ifree(mp, -ifreedelta);
out_undo_icount:
if (idelta)
xfs_mod_icount(mp, -idelta);