ext4_show_stripe_mount_option.patch

   1 ext4: Add stripe= option to /proc/mounts
   2 From: Miklos Szeredi <mszeredi@suse.cz>
   3
   4 Add stripe= option to /proc/mounts for ext4 filesystems.
   5
   6 Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
   7 Signed-off-by: Mingming Cao <cmm@us.ibm.com>
   8 ---
   9  fs/ext4/super.c |    2 ++
  10  1 file changed, 2 insertions(+)
  11
  12 Index: linux-2.6.24-rc8/fs/ext4/super.c
  13 ===================================================================
  14 --- linux-2.6.24-rc8.orig/fs/ext4/super.c       2008-01-25 08:48:59.000000000 -0800
  15 +++ linux-2.6.24-rc8/fs/ext4/super.c    2008-01-25 09:06:07.000000000 -0800
  16 @@ -741,6 +741,8 @@ static int ext4_show_options(struct seq_
  17         if (test_opt(sb, I_VERSION))
  18                 seq_puts(seq, ",i_version");
  19
  20 +       if (sbi->s_stripe)
  21 +               seq_printf(seq, ",stripe=%lu", sbi->s_stripe);
  22         /*
  23          * journal mode get enabled in different ways
  24          * So just print the value even if we didn't specify it