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authorDavid Chinner <dgc@sgi.com>2005-09-02 10:40:47 +0400
committerNathan Scott <nathans@sgi.com>2005-09-02 10:40:47 +0400
commit3bdbfb104e53b367892cc9510e6722346dfb656b (patch)
treef4528809d197fc687a73b8152fab8356540455ba /fs/xfs/xfs_bmap.c
parentbcec2b7f2bf856bdf2a8780a57fe78417a513682 (diff)
downloadlinux-3bdbfb104e53b367892cc9510e6722346dfb656b.tar.xz
[XFS] Prevent the incore superblock sb_fdblocks count from leaking when we
are getting ENOSPC errors on writes. When we fail to allocate space for indirect blocks in xfs_bmapi() make sure we release the direct block allocation before returning. SGI-PV: 938502 SGI-Modid: xfs-linux:xfs-kern:22986a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_bmap.c')
-rw-r--r--fs/xfs/xfs_bmap.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c
index 6f5d283888aa..3e76def1283d 100644
--- a/fs/xfs/xfs_bmap.c
+++ b/fs/xfs/xfs_bmap.c
@@ -4754,10 +4754,20 @@ xfs_bmapi(
error = xfs_mod_incore_sb(mp,
XFS_SBS_FDBLOCKS,
-(alen), rsvd);
- if (!error)
+ if (!error) {
error = xfs_mod_incore_sb(mp,
XFS_SBS_FDBLOCKS,
-(indlen), rsvd);
+ if (error && rt) {
+ xfs_mod_incore_sb(ip->i_mount,
+ XFS_SBS_FREXTENTS,
+ extsz, rsvd);
+ } else if (error) {
+ xfs_mod_incore_sb(ip->i_mount,
+ XFS_SBS_FDBLOCKS,
+ alen, rsvd);
+ }
+ }
if (error) {
if (XFS_IS_QUOTA_ON(ip->i_mount))