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>

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index b60c340..00560cf 100644 (file)
--- 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