On Apr 18, 2012, at 9:05 AM, Brassow Jonathan wrote:
... that's not quite right. I do call 'md_rdev_init' which sets 'saved_raid_disk' to -1. Then, if the device has returned after a disappearance, I set 'saved_raid_disk' to it's old position. Therefore, 'saved_raid_disk >= 0' would be fine and wouldn't require me to set -1 in dm-raid.c.