[3.16.y-ckt stable] Patch "fuse: set stolen page uptodate" has been added to staging queue

[Luis Henriques]

This is a note to let you know that I have just added a patch titled

    fuse: set stolen page uptodate

to the linux-3.16.y-queue branch of the 3.16.y-ckt extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.16.y-queue

This patch is scheduled to be released in version 3.16.7-ckt10.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.16.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

------

>From 97941a9c48dc47c9b6682f724c65967cd3a238ef Mon Sep 17 00:00:00 2001
From: Miklos Szeredi <mszeredi at suse.cz>
Date: Thu, 26 Feb 2015 11:45:47 +0100
Subject: 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 at suse.cz>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 fs/fuse/dev.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index a221901813a1..f2bbb8513360 100644
--- 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);