md: do not count blocked devices as spares



remove_and_add_spares() assumes that failed devices have been hot-removed
from the array.  Removal is skipped in the 'blocked' case so do not count a
device in this state as 'spare'.

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

parent df10cfbc

drivers/md/md.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -5996,7 +5996,8 @@ static int remove_and_add_spares(mddev_t *mddev)
		if (mddev->degraded) {
		rdev_for_each(rdev, rtmp, mddev) {
		if (rdev->raid_disk >= 0 &&
		!test_bit(In_sync, &rdev->flags))
		!test_bit(In_sync, &rdev->flags) &&
		!test_bit(Blocked, &rdev->flags))
		spares++;
		if (rdev->raid_disk < 0
		&& !test_bit(Faulty, &rdev->flags)) {