From b325a32e5732d7aef70ca3c58acb3953ed20f66c Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Fri, 9 Sep 2005 16:24:00 -0700
Subject: [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 0a13016..f27e8f6 100644
--- 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;
 		}
 
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