ext4: Add stripe= option to /proc/mounts

Add stripe= option to /proc/mounts for ext4 filesystems.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Mingming Cao <cmm@us.ibm.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index b60c34038bb8..00560cfa519d 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -741,6 +741,8 @@ static int ext4_show_options(struct seq_file *seq, struct vfsmount *vfs)
         if (test_opt(sb, I_VERSION))
                 seq_puts(seq, ",i_version");
 
+        if (sbi->s_stripe)
+                seq_printf(seq, ",stripe=%lu", sbi->s_stripe);
         /*
          * journal mode get enabled in different ways
          * So just print the value even if we didn't specify it