Commit 2ddb5998 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'md/3.15-fixes' of git://neil.brown.name/md 

Pull md bugfixes from Neil Brown:
 "Two bugfixes for md in 3.15

  Both tagged for -stable"

* tag 'md/3.15-fixes' of git://neil.brown.name/md:
  md: avoid possible spinning md thread at shutdown.
  md/raid10: call wait_barrier() for each request submitted.
parents 200d963b 0f62fb22

drivers/md/md.c

+2 −1
Original line number Diff line number Diff line
@@ -8516,6 +8516,7 @@ static int md_notify_reboot(struct notifier_block *this, 
		if (mddev_trylock(mddev)) {

			if (mddev->pers)

				__md_stop_writes(mddev);

			if (mddev->persistent)

				mddev->safemode = 2;

			mddev_unlock(mddev);

		}

drivers/md/raid10.c

+7 −6
Original line number Diff line number Diff line
@@ -1172,6 +1172,13 @@ static void __make_request(struct mddev *mddev, struct bio *bio) 
	int max_sectors;

	int sectors;



	/*

	 * Register the new request and wait if the reconstruction

	 * thread has put up a bar for new requests.

	 * Continue immediately if no resync is active currently.

	 */

	wait_barrier(conf);



	sectors = bio_sectors(bio);

	while (test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery) &&

	    bio->bi_iter.bi_sector < conf->reshape_progress &&
@@ -1552,12 +1559,6 @@ static void make_request(struct mddev *mddev, struct bio *bio) 


	md_write_start(mddev, bio);



	/*

	 * Register the new request and wait if the reconstruction

	 * thread has put up a bar for new requests.

	 * Continue immediately if no resync is active currently.

	 */

	wait_barrier(conf);



	do {

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