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Subject[PATCH 4.4 79/99] fuse: fix missing unlock_page in fuse_writepage()
Date
From: Vasily Averin <vvs@virtuozzo.com>

commit d5880c7a8620290a6c90ced7a0e8bd0ad9419601 upstream.

unlock_page() was missing in case of an already in-flight write against the
same page.

Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Fixes: ff17be086477 ("fuse: writepage: skip already in flight")
Cc: <stable@vger.kernel.org> # v3.13
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
fs/fuse/file.c | 1 +
1 file changed, 1 insertion(+)

--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1706,6 +1706,7 @@ static int fuse_writepage(struct page *p
WARN_ON(wbc->sync_mode == WB_SYNC_ALL);

redirty_page_for_writepage(wbc, page);
+ unlock_page(page);
return 0;
}


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