src/patches/suse-2.6.27.31/patches.fixes/ocfs2-quota-Make-global-quota-files-blocksize-aligned.patch

   1 From 96e8cc43fbecaee5a2b9eee4ec27a765474e7671 Mon Sep 17 00:00:00 2001
   2 From: Jan Kara <jack@suse.cz>
   3 Date: Wed, 17 Jun 2009 17:35:07 +0200
   4 Subject: [PATCH 1/6] ocfs2: Make global quota files blocksize aligned
   5
   6 Change i_size of global quota files so that it always remains aligned to block
   7 size. This is mainly because the end of quota block may contain checksum (if
   8 checksumming is enabled) and it's a bit awkward for it to be "outside" of quota
   9 file (and it makes life harder for ocfs2-tools).
  10
  11 Signed-off-by: Jan Kara <jack@suse.cz>
  12 ---
  13  fs/ocfs2/quota_global.c |    6 ++++--
  14  1 files changed, 4 insertions(+), 2 deletions(-)
  15
  16 Index: linux-2.6.27-SLE11_BRANCH/fs/ocfs2/quota_global.c
  17 ===================================================================
  18 --- linux-2.6.27-SLE11_BRANCH.orig/fs/ocfs2/quota_global.c      2009-07-16 13:21:13.000000000 +0200
  19 +++ linux-2.6.27-SLE11_BRANCH/fs/ocfs2/quota_global.c   2009-07-16 13:25:41.000000000 +0200
  20 @@ -145,14 +145,16 @@
  21         }
  22         mutex_lock_nested(&gqinode->i_mutex, I_MUTEX_QUOTA);
  23         if (gqinode->i_size < off + len) {
  24 +               loff_t rounded_end = ALIGN(off + len, sb->s_blocksize);
  25 +
  26                 down_write(&OCFS2_I(gqinode)->ip_alloc_sem);
  27 -               err = ocfs2_extend_no_holes(gqinode, off + len, off);
  28 +               err = ocfs2_extend_no_holes(gqinode, rounded_end, off);
  29                 up_write(&OCFS2_I(gqinode)->ip_alloc_sem);
  30                 if (err < 0)
  31                         goto out;
  32                 err = ocfs2_simple_size_update(gqinode,
  33                                                oinfo->dqi_gqi_bh,
  34 -                                              off + len);
  35 +                                              rounded_end);
  36                 if (err < 0)
  37                         goto out;
  38         }