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authorChristoph Hellwig <hch@lst.de>2022-06-19 09:05:51 +0300
committerJens Axboe <axboe@kernel.dk>2022-06-28 15:30:26 +0300
commit6f8191fdf41d3a53cc1d63fe2234e812c55a0092 (patch)
tree6d945fbe71814027c249acb00b86c6f35e6adfda /drivers/scsi/scsi_lib.c
parent0e3534022f26ae51f7cf28347a253230604b6f4e (diff)
downloadlinux-6f8191fdf41d3a53cc1d63fe2234e812c55a0092.tar.xz
block: simplify disk shutdown
Set the queue dying flag and call blk_mq_exit_queue from del_gendisk for all disks that do not have separately allocated queues, and thus remove the need to call blk_cleanup_queue for them. Rename blk_cleanup_disk to blk_mq_destroy_queue to make it clear that this function is intended only for separately allocated blk-mq queues. This saves an extra queue freeze for devices without a separately allocated queue. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Link: https://lore.kernel.org/r/20220619060552.1850436-6-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/scsi/scsi_lib.c')
-rw-r--r--drivers/scsi/scsi_lib.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 6ffc9e4258a8..cdf0056582d5 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -163,7 +163,7 @@ static void __scsi_queue_insert(struct scsi_cmnd *cmd, int reason, bool unbusy)
* Requeue this command. It will go before all other commands
* that are already in the queue. Schedule requeue work under
* lock such that the kblockd_schedule_work() call happens
- * before blk_cleanup_queue() finishes.
+ * before blk_mq_destroy_queue() finishes.
*/
cmd->result = 0;
@@ -424,9 +424,9 @@ static void scsi_starved_list_run(struct Scsi_Host *shost)
* it and the queue. Mitigate by taking a reference to the
* queue and never touching the sdev again after we drop the
* host lock. Note: if __scsi_remove_device() invokes
- * blk_cleanup_queue() before the queue is run from this
+ * blk_mq_destroy_queue() before the queue is run from this
* function then blk_run_queue() will return immediately since
- * blk_cleanup_queue() marks the queue with QUEUE_FLAG_DYING.
+ * blk_mq_destroy_queue() marks the queue with QUEUE_FLAG_DYING.
*/
slq = sdev->request_queue;
if (!blk_get_queue(slq))