Commit 096386a5 authored by Kent Overstreet's avatar Kent Overstreet
Browse files

bcachefs: discard path uses unlock_long() 



Some (bad) devices can have really terrible discard latency; we don't
want them blocking memory reclaim and causing warnings.

Signed-off-by: default avatarKent Overstreet <kent.overstreet@linux.dev>
parent 3e44f325

fs/bcachefs/alloc_background.c

+1 −1
Original line number Diff line number Diff line
@@ -1715,7 +1715,7 @@ static int bch2_discard_one_bucket(struct btree_trans *trans, 
		 * This works without any other locks because this is the only

		 * thread that removes items from the need_discard tree

		 */

		bch2_trans_unlock(trans);

		bch2_trans_unlock_long(trans);

		blkdev_issue_discard(ca->disk_sb.bdev,

				     k.k->p.offset * ca->mi.bucket_size,

				     ca->mi.bucket_size,