Commit 0cede372 authored by Mike Snitzer's avatar Mike Snitzer
Browse files

dm: fix comment in __dm_suspend() 



Fix stale references to functions that have been renamed and fix typo.

Signed-off-by: default avatarMike Snitzer <snitzer@redhat.com>
parent b2abdb1b

drivers/md/dm.c

+4 −5
Original line number Diff line number Diff line
@@ -2518,13 +2518,12 @@ static int __dm_suspend(struct mapped_device *md, struct dm_table *map, 
	/*

	 * Here we must make sure that no processes are submitting requests

	 * to target drivers i.e. no one may be executing

	 * __split_and_process_bio. This is called from dm_request and

	 * dm_wq_work.

	 * __split_and_process_bio from dm_submit_bio.

	 *

	 * To get all processes out of __split_and_process_bio in dm_request,

	 * To get all processes out of __split_and_process_bio in dm_submit_bio,

	 * we take the write lock. To prevent any process from reentering

	 * __split_and_process_bio from dm_request and quiesce the thread

	 * (dm_wq_work), we set BMF_BLOCK_IO_FOR_SUSPEND and call

	 * __split_and_process_bio from dm_submit_bio and quiesce the thread

	 * (dm_wq_work), we set DMF_BLOCK_IO_FOR_SUSPEND and call

	 * flush_workqueue(md->wq).

	 */

	set_bit(DMF_BLOCK_IO_FOR_SUSPEND, &md->flags);