f2fs: add device name in debugfs

In file status, it can't distinguish between different devices.
So add device name to do this function.

Signed-off-by: Jianpeng Ma <majianpeng@gmail.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index c8c37307b326..025b9e2f935d 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -183,10 +183,12 @@ static int stat_show(struct seq_file *s, void *v)
 
         mutex_lock(&f2fs_stat_mutex);
         list_for_each_entry_safe(si, next, &f2fs_stat_list, stat_list) {
+                char devname[BDEVNAME_SIZE];
 
                 update_general_status(si->sbi);
 
-                seq_printf(s, "\n=====[ partition info. #%d ]=====\n", i++);
+                seq_printf(s, "\n=====[ partition info(%s). #%d ]=====\n",
+                        bdevname(si->sbi->sb->s_bdev, devname), i++);
                 seq_printf(s, "[SB: 1] [CP: 2] [SIT: %d] [NAT: %d] ",
                            si->sit_area_segs, si->nat_area_segs);
                 seq_printf(s, "[SSA: %d] [MAIN: %d",