Dan Williams: imsm: fix spare promotion

[Martin F. Krafft]

Module: mdadm
Branch: upstream
Commit: ac6449bee9b40b0e8131005dc0cbe2d91a070ae2
URL:    http://git.debian.org/?p=pkg-mdadm/mdadm.git;a=commit;h=ac6449bee9b40b0e8131005dc0cbe2d91a070ae2

Author: Dan Williams <dan.j.williams at intel.com>
Date:   Thu Dec 10 15:03:34 2009 -0700

imsm: fix spare promotion

When associating a spare take on the target's metadata version number to
satisfy future compare_super checks.

Signed-off-by: Dan Williams <dan.j.williams at intel.com>

---

 super-intel.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/super-intel.c b/super-intel.c
index 4372ab4..39a2985 100644
--- a/super-intel.c
+++ b/super-intel.c
@@ -1566,6 +1566,7 @@ static int compare_super_imsm(struct supertype *st, struct supertype *tst)
 		first->anchor->num_raid_devs = sec->anchor->num_raid_devs;
 		first->anchor->orig_family_num = sec->anchor->orig_family_num;
 		first->anchor->family_num = sec->anchor->family_num;
+		memcpy(first->anchor->sig, sec->anchor->sig, MAX_SIGNATURE_LENGTH);
 		for (i = 0; i < sec->anchor->num_raid_devs; i++)
 			imsm_copy_dev(get_imsm_dev(first, i), get_imsm_dev(sec, i));
 	}