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

    hpfs: fix warnings when the filesystem fills up

to the 3.9-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:
     hpfs-fix-warnings-when-the-filesystem-fills-up.patch
and it can be found in the queue-3.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.


>From bbd465df73f0d8ba41b8a0732766a243d0f5b356 Mon Sep 17 00:00:00 2001
From: Mikulas Patocka <[email protected]>
Date: Sun, 9 Jun 2013 01:25:57 +0200
Subject: hpfs: fix warnings when the filesystem fills up

From: Mikulas Patocka <[email protected]>

commit bbd465df73f0d8ba41b8a0732766a243d0f5b356 upstream.

This patch fixes warnings due to missing lock on write error path.

  WARNING: at fs/hpfs/hpfs_fn.h:353 hpfs_truncate+0x75/0x80 [hpfs]()
  Hardware name: empty
  Pid: 26563, comm: dd Tainted: P           O 3.9.4 #12
  Call Trace:
    hpfs_truncate+0x75/0x80 [hpfs]
    hpfs_write_begin+0x84/0x90 [hpfs]
    _hpfs_bmap+0x10/0x10 [hpfs]
    generic_file_buffered_write+0x121/0x2c0
    __generic_file_aio_write+0x1c7/0x3f0
    generic_file_aio_write+0x7c/0x100
    do_sync_write+0x98/0xd0
    hpfs_file_write+0xd/0x50 [hpfs]
    vfs_write+0xa2/0x160
    sys_write+0x51/0xa0
    page_fault+0x22/0x30
    system_call_fastpath+0x1a/0x1f

Signed-off-by: Mikulas Patocka <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 fs/hpfs/file.c |    4 ++++
 1 file changed, 4 insertions(+)

--- a/fs/hpfs/file.c
+++ b/fs/hpfs/file.c
@@ -109,10 +109,14 @@ static void hpfs_write_failed(struct add
 {
        struct inode *inode = mapping->host;
 
+       hpfs_lock(inode->i_sb);
+
        if (to > inode->i_size) {
                truncate_pagecache(inode, to, inode->i_size);
                hpfs_truncate(inode);
        }
+
+       hpfs_unlock(inode->i_sb);
 }
 
 static int hpfs_write_begin(struct file *file, struct address_space *mapping,


Patches currently in stable-queue which might be from 
[email protected] are

queue-3.9/hpfs-fix-warnings-when-the-filesystem-fills-up.patch
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