show-mballoc-delalloc-option.patch

   1 ext4: Show mballoc and delalloc options
   2
   3 From: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
   4
   5 Both these options are enabled by default.
   6 So if they are are not set in mount options
   7 that means the user explicity disabled them
   8 using nomablloc and nodelalloc option. Show
   9 the same in ext4_show_options
  10
  11 Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
  12 Acked-by: Eric Sandeen <sandeen@redhat.com>
  13 Signed-off-by: Mingming Cao <cmm@us.ibm.com>
  14 ---
  15
  16  fs/ext4/super.c |    5 +++++
  17  1 file changed, 5 insertions(+)
  18
  19
  20 Index: linux-2.6.24-rc3/fs/ext4/super.c
  21 ===================================================================
  22 --- linux-2.6.24-rc3.orig/fs/ext4/super.c       2007-12-03 16:03:49.000000000 -0800
  23 +++ linux-2.6.24-rc3/fs/ext4/super.c    2007-12-03 16:05:45.000000000 -0800
  24 @@ -737,6 +737,11 @@ static int ext4_show_options(struct seq_
  25                 seq_puts(seq, ",noextents");
  26         if (test_opt(sb, I_VERSION))
  27                 seq_puts(seq, ",i_version");
  28 +       if (!test_opt(sb, MBALLOC))
  29 +               seq_puts(seq, ",nomballoc");
  30 +       if (!test_opt(sb, DELALLOC))
  31 +               seq_puts(seq, ",nodelalloc");
  32 +
  33
  34         if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA)
  35                 seq_puts(seq, ",data=journal");