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| author | Nikita Danilov <nikita@clusterfs.com> | 2005-05-01 08:58:39 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-05-01 08:58:39 -0700 |
| commit | 552fca4cbe552520d85b21e839f289c880fa48d2 (patch) | |
| tree | 8a91530f62a2118e390db209779c184983684e66 /fs/mpage.c | |
| parent | 97e2bde47f886a317909c8a8f9bd2fcd8ce2f0b0 (diff) | |
| download | linux-552fca4cbe552520d85b21e839f289c880fa48d2.tar.gz linux-552fca4cbe552520d85b21e839f289c880fa48d2.tar.bz2 linux-552fca4cbe552520d85b21e839f289c880fa48d2.zip | |
[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/mpage.c')
| -rw-r--r-- | fs/mpage.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/mpage.c b/fs/mpage.c index e7d8d1a77606..3923facf94eb 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)) { |