Patch "btrfs: fix state->private cast on 32 bit machines" has been added to the 3.18-stable tree

Patch "btrfs: fix state->private cast on 32 bit machines" has been added to the 3.18-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    btrfs: fix state->private cast on 32 bit machines

to the 3.18-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     btrfs-fix-state-private-cast-on-32-bit-machines.patch
and it can be found in the queue-3.18 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 6e1103a6e9b19dbdc348077d04a546b626911fc5 Mon Sep 17 00:00:00 2001
From: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
Date: Thu, 25 Dec 2014 18:21:41 +0900
Subject: btrfs: fix state->private cast on 32 bit machines
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

From: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>

commit 6e1103a6e9b19dbdc348077d04a546b626911fc5 upstream.

Suppress the following warning displayed on building 32bit (i686) kernel.

===============================================================================
...
   CC [M]  fs/btrfs/extent_io.o
fs/btrfs/extent_io.c: In function ‘btrfs_free_io_failure_record’:
fs/btrfs/extent_io.c:2193:13: warning: cast to pointer from integer of
different size [-Wint-to-pointer-cast]
    failrec = (struct io_failure_record *)state->private;
...
===============================================================================

Signed-off-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
Reported-by: Chris Murphy <chris@colorremedies.com>
Signed-off-by: Chris Mason <clm@fb.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 fs/btrfs/extent_io.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2163,7 +2163,7 @@ void btrfs_free_io_failure_record(struct
 
 		next = next_state(state);
 
-		failrec = (struct io_failure_record *)state->private;
+		failrec = (struct io_failure_record *)(unsigned long)state->private;
 		free_extent_state(state);
 		kfree(failrec);
 


Patches currently in stable-queue which might be from takeuchi_satoru@jp.fujitsu.com are

queue-3.18/btrfs-fix-state-private-cast-on-32-bit-machines.patch