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[XFS] Fix regression in xfs_buf_rele dealing with non-hashed buffers, as 

occur during log replay.  Novell bug 145204, Fedora bug 177848.

SGI-PV: 948860
SGI-Modid: xfs-linux-melb:xfs-kern:25064a

Signed-off-by: Nathan Scott <nathans@sgi.com>
This commit is contained in:
Nathan Scott 2006-02-01 12:14:52 +11:00
parent 3a69c7dc6f
commit fad3aa1e8e
1 changed files with 7 additions and 0 deletions
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7
fs/xfs/linux-2.6/xfs_buf.c
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@ -822,6 +822,13 @@ xfs_buf_rele(
XB_TRACE(bp, "rele", bp->b_relse);
if (unlikely(!hash)) {
ASSERT(!bp->b_relse);
if (atomic_dec_and_test(&bp->b_hold))
xfs_buf_free(bp);
return;
}
if (atomic_dec_and_lock(&bp->b_hold, &hash->bh_lock)) {
if (bp->b_relse) {
atomic_inc(&bp->b_hold);