fuse: set stolen page uptodate

[ Upstream commit aa991b3b267e24f578bac7b09cc57579b660304b ]

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>
Cc: stable@vger.kernel.org
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>

diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index ca887314aba9deb6d59811f0d19b8c9b9a0381c3..cc756cb0427acb17da18040b713ef8d75c643fea 100644 (file)
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -814,8 +814,8 @@ 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);