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authorNathan Scott <nathans@sgi.com>2006-03-24 14:46:22 +1100
committerGreg Kroah-Hartman <gregkh@suse.de>2006-03-27 22:47:30 -0800
commit9620554ca94a95059466e7e9cd6298bf78a09a09 (patch)
treec9b36420d15e979e605c4fb0bb5c62e112bea9d7
parent8513187b93ba2092688c99d529ff85864359b729 (diff)
[PATCH] XFS writeout fix
[XFS] Check that a page has dirty buffers before finding it acceptable for rewrite clustering. This prevents writing excessive amounts of clean data when doing random rewrites of a cached file. Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com> Signed-off-by: Chris Wright <chrisw@sous-sol.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--fs/xfs/linux-2.6/xfs_aops.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index 74d8be87f983..a98073629b48 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -616,7 +616,7 @@ xfs_is_delayed_page(
acceptable = (type == IOMAP_UNWRITTEN);
else if (buffer_delay(bh))
acceptable = (type == IOMAP_DELAY);
- else if (buffer_mapped(bh))
+ else if (buffer_dirty(bh) && buffer_mapped(bh))
acceptable = (type == 0);
else
break;