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md: Correctly handle device removal via sysfs 

Writing "none" to "../md/dev-xx/slot" removes that device
from being an active part of the array, but it didn't
set ->raid_disk to -1 to record this fact.


Signed-off-by: Maciej Trela <Maciej.Trela@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
Maciej Trela 2010-04-14 16:58:16 +10:00 committed by NeilBrown
parent dab8b29248
commit b71031076e
1 changed files with 1 additions and 0 deletions
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drivers/md/md.c
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@ -2385,6 +2385,7 @@ slot_store(mdk_rdev_t *rdev, const char *buf, size_t len)
return err;
sprintf(nm, "rd%d", rdev->raid_disk);
sysfs_remove_link(&rdev->mddev->kobj, nm);
rdev->raid_disk = -1;
set_bit(MD_RECOVERY_NEEDED, &rdev->mddev->recovery);
md_wakeup_thread(rdev->mddev->thread);
} else if (rdev->mddev->pers) {