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[XFS] A bug was found in xfs_bmap_add_extent_unwritten_real(). In a 

particular case, the delta param which is supposed to describe the region
where extents have changed was not updated appropriately.

SGI-PV: 984030

SGI-Modid: xfs-linux-melb:xfs-kern:31663a

Signed-off-by: Tim Shimmin <tes@sgi.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Olaf Weber <olaf@sgi.com>
This commit is contained in:
Tim Shimmin 2008-07-18 17:13:04 +10:00 committed by Niv Sardi
parent 766b0925c0
commit 6a617dd22b
1 changed files with 2 additions and 2 deletions
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4
fs/xfs/xfs_bmap.c
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@ -1740,9 +1740,9 @@ xfs_bmap_add_extent_unwritten_real(
r[1].br_state)))
goto done;
/* new left extent - oldext */
PREV.br_blockcount =
new->br_startoff - PREV.br_startoff;
cur->bc_rec.b = PREV;
cur->bc_rec.b.br_blockcount =
new->br_startoff - PREV.br_startoff;
if ((error = xfs_bmbt_insert(cur, &i)))
goto done;
XFS_WANT_CORRUPTED_GOTO(i == 1, done);