From: NeilBrown <neilb@suse.de>
Date: Mon, 23 Oct 2006 07:07:48 +0000 (+1000)
Subject: [PATCH] md: Fix bug where spares don't always get rebuilt properly when they become... 
X-Git-Tag: v2.6.18.2~35
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=563f2416b31884d196f194bcca580f8226b1dc4a;p=thirdparty%2Fkernel%2Fstable.git

[PATCH] md: Fix bug where spares don't always get rebuilt properly when they become live.

If save_raid_disk is >= 0, then the device could be a device that is
already in sync that is being re-added.  So we need to default this
value to -1.

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
---

diff --git a/drivers/md/md.c b/drivers/md/md.c
index c9d2919347df5..1869e819afb8d 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1994,6 +1994,7 @@ static mdk_rdev_t *md_import_device(dev_t newdev, int super_format, int super_mi
 	kobject_init(&rdev->kobj);
 
 	rdev->desc_nr = -1;
+	rdev->saved_raid_disk = -1;
 	rdev->flags = 0;
 	rdev->data_offset = 0;
 	rdev->sb_events = 0;