[PATCH] md: report spare drives in /proc/mdstat

Just like failed drives have (F), so spare drives now have (S).

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 0a13016829da26f9634a69d29670f15310d79f2a..f27e8f644dfe24adc8d07db3b02e131e36d8c088 100644 (file)
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3334,7 +3334,8 @@ static int md_seq_show(struct seq_file *seq, void *v)
                        if (rdev->faulty) {
                                seq_printf(seq, "(F)");
                                continue;
-                       }
+                       } else if (rdev->raid_disk < 0)
+                               seq_printf(seq, "(S)"); /* spare */
                        size += rdev->size;
                }