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Diffstat (limited to 'drivers/md/dm-mpath.c')
| -rw-r--r-- | drivers/md/dm-mpath.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index 7259eeba..fde08c98 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -426,7 +426,11 @@ static int __multipath_map(struct dm_target *ti, struct request *clone, clone->rq_disk = bdev->bd_disk; clone->cmd_flags |= REQ_FAILFAST_TRANSPORT; } else { - /* blk-mq request-based interface */ + /* + * blk-mq request-based interface; used by both: + * .request_fn stacked on blk-mq path(s) and + * blk-mq stacked on blk-mq path(s). + */ *__clone = blk_get_request(bdev_get_queue(bdev), rq_data_dir(rq), GFP_ATOMIC); if (IS_ERR(*__clone)) { |