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-rw-r--r--drivers/md/dm.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 93ca051f88f0..32ac19645255 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -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);