fuse: set stolen page uptodate

commit aa991b3b267e24f578bac7b09cc57579b660304b upstream.

Regular pipe buffers' ->steal method (generic_pipe_buf_steal()) doesn't set
PG_uptodate.

Don't warn on this condition, just set the uptodate flag.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Zefan Li <lizefan@huawei.com>

diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 8b3fd48a491e250128459aab95fcdd28efa4e62c..0949b833557e3ee79e8176cae4ce23e4fdcc7fcd 100644 (file)
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -717,8 +717,8 @@ static int fuse_try_move_page(struct fuse_copy_state *cs, struct page **pagep)
 
        newpage = buf->page;
 
-       if (WARN_ON(!PageUptodate(newpage)))
-               return -EIO;
+       if (!PageUptodate(newpage))
+               SetPageUptodate(newpage);
 
        ClearPageMappedToDisk(newpage);