[3.16.y-ckt stable] Patch "fuse: notify: don't move pages" has been added to staging queue
Luis Henriques
luis.henriques at canonical.com
Mon Mar 30 12:59:42 UTC 2015
This is a note to let you know that I have just added a patch titled
fuse: notify: don't move pages
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 96d2e901a5e43aeae47c7e0f4983fda439fbaa28 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: notify: don't move pages
commit 0d2783626a53d4c922f82d51fa675cb5d13f0d36 upstream.
fuse_try_move_page() is not prepared for replacing pages that have already
been read.
Reported-by: Al Viro <viro at zeniv.linux.org.uk>
Signed-off-by: Miklos Szeredi <mszeredi at suse.cz>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
fs/fuse/dev.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index ca887314aba9..a221901813a1 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -1721,6 +1721,9 @@ copy_finish:
static int fuse_notify(struct fuse_conn *fc, enum fuse_notify_code code,
unsigned int size, struct fuse_copy_state *cs)
{
+ /* Don't try to move pages (yet) */
+ cs->move_pages = 0;
+
switch (code) {
case FUSE_NOTIFY_POLL:
return fuse_notify_poll(fc, size, cs);
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