[PATCH 4.4 79/99] fuse: fix missing unlock_page in fuse_writepage()
From: Greg Kroah-Hartman
Date: Thu Oct 03 2019 - 13:41:15 EST
From: Vasily Averin <vvs@xxxxxxxxxxxxx>
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@xxxxxxxxxxxxx>
Fixes: ff17be086477 ("fuse: writepage: skip already in flight")
Cc: <stable@xxxxxxxxxxxxxxx> # v3.13
Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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;
}