[PATCH 28/61] md: Fix bug where spares dont always get rebuilt properly when they become live.

[Chris Wright]

-stable review patch.  If anyone has any objections, please let us know.
------------------

From: NeilBrown <neilb@xxxxxxx>

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@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
Signed-off-by: Chris Wright <chrisw@xxxxxxxxxxxx>

---
 drivers/md/md.c |    1 +
 1 file changed, 1 insertion(+)

--- linux-2.6.18.1.orig/drivers/md/md.c
+++ linux-2.6.18.1/drivers/md/md.c
@@ -1994,6 +1994,7 @@ static mdk_rdev_t *md_import_device(dev_
 	kobject_init(&rdev->kobj);
 
 	rdev->desc_nr = -1;
+	rdev->saved_raid_disk = -1;
 	rdev->flags = 0;
 	rdev->data_offset = 0;
 	rdev->sb_events = 0;

--
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