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authorNikita Danilov <nikita@clusterfs.com>2005-05-01 08:58:39 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-05-01 08:58:39 -0700
commit552fca4cbe552520d85b21e839f289c880fa48d2 (patch)
tree8a91530f62a2118e390db209779c184983684e66 /fs
parent97e2bde47f886a317909c8a8f9bd2fcd8ce2f0b0 (diff)
[PATCH] mpage_writepages() page locking fix
When ->writepage() returns WRITEPAGE_ACTIVATE, the page is still locked. Explicitly unlock the page in mpage_writepages(). Signed-off-by: Nikita Danilov <nikita@clusterfs.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/mpage.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/mpage.c b/fs/mpage.c
index e7d8d1a7760..3923facf94e 100644
--- a/fs/mpage.c
+++ b/fs/mpage.c
@@ -727,6 +727,8 @@ retry:
&last_block_in_bio, &ret, wbc,
writepage_fn);
}
+ if (unlikely(ret == WRITEPAGE_ACTIVATE))
+ unlock_page(page);
if (ret || (--(wbc->nr_to_write) <= 0))
done = 1;
if (wbc->nonblocking && bdi_write_congested(bdi)) {