show-delalloc-option.patch

   1 ext4: Show delalloc options
   2
   3 From: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
   4
   5 Delayed allocation is 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 Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
  15
  16 ---
  17
  18  fs/ext4/super.c |    3 +++
  19  1 file changed, 3 insertions(+)
  20
  21
  22 Index: linux-2.6.26-rc6/fs/ext4/super.c
  23 ===================================================================
  24 --- linux-2.6.26-rc6.orig/fs/ext4/super.c       2008-06-17 10:43:40.000000000 -0700
  25 +++ linux-2.6.26-rc6/fs/ext4/super.c    2008-06-17 10:43:40.000000000 -0700
  26 @@ -756,6 +756,9 @@ static int ext4_show_options(struct seq_
  27                 seq_puts(seq, ",nomballoc");
  28         if (test_opt(sb, I_VERSION))
  29                 seq_puts(seq, ",i_version");
  30 +       if (!test_opt(sb, DELALLOC))
  31 +               seq_puts(seq, ",nodelalloc");
  32 +
  33
  34         if (sbi->s_stripe)
  35                 seq_printf(seq, ",stripe=%lu", sbi->s_stripe);