src/patches/suse-2.6.27.31/patches.fixes/ocfs2-truncate-outstanding-block-after-direct-io-fa.patch

   1 From: Dmitri Monakhov <dmonakhov@openvz.org>
   2 Date: Mon, 27 Oct 2008 13:01:49 -0700
   3 Subject: ocfs2: truncate outstanding block after direct io failure
   4
   5 Signed-off-by: Dmitri Monakhov <dmonakhov@openvz.org>
   6 Cc: Jeff Moyer <jmoyer@redhat.com>
   7 Cc: Mark Fasheh <mark.fasheh@oracle.com>
   8 Cc: Joel Becker <Joel.Becker@oracle.com>
   9 Cc: Nick Piggin <nickpiggin@yahoo.com.au>
  10 Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
  11 Signed-off-by: Mark Fasheh <mfasheh@suse.com>
  12 ---
  13  fs/ocfs2/file.c |    7 +++++++
  14  1 files changed, 7 insertions(+), 0 deletions(-)
  15
  16 Index: linux-2.6.27-ocfs2/fs/ocfs2/file.c
  17 ===================================================================
  18 --- linux-2.6.27-ocfs2.orig/fs/ocfs2/file.c
  19 +++ linux-2.6.27-ocfs2/fs/ocfs2/file.c
  20 @@ -1866,6 +1866,13 @@ relock:
  21                 written = generic_file_direct_write(iocb, iov, &nr_segs, *ppos,
  22                                                     ppos, count, ocount);
  23                 if (written < 0) {
  24 +                       /*
  25 +                        * direct write may have instantiated a few
  26 +                        * blocks outside i_size. Trim these off again.
  27 +                        * Don't need i_size_read because we hold i_mutex.
  28 +                        */
  29 +                       if (*ppos + count > inode->i_size)
  30 +                               vmtruncate(inode, inode->i_size);
  31                         ret = written;
  32                         goto out_dio;
  33                 }