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authorJens Axboe <axboe@kernel.dk>2023-06-28 16:08:19 -0600
committerJens Axboe <axboe@kernel.dk>2023-06-28 16:08:19 -0600
commit3a08284ff22080e742814dad1dbabb4b66349642 (patch)
tree3de2163fedca694e9b71f5d54eff8847a7875e7e /block/blk-mq.c
parent89181f544ffa4da682b0145738342f9b78b9e8dc (diff)
parent6d85ebf95c44e52337ca1d07f0db4b435d1e6762 (diff)
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Merge branch 'for-6.5/block-late' into block-6.5
* for-6.5/block-late: blk-sysfs: add a new attr_group for blk_mq blk-iocost: move wbt_enable/disable_default() out of spinlock blk-wbt: cleanup rwb_enabled() and wbt_disabled() blk-wbt: remove dead code to handle wbt enable/disable with io inflight blk-wbt: don't create wbt sysfs entry if CONFIG_BLK_WBT is disabled blk-mq: fix two misuses on RQF_USE_SCHED blk-throttle: Fix io statistics for cgroup v1 bcache: Fix bcache device claiming bcache: Alloc holder object before async registration raid10: avoid spin_lock from fastpath from raid10_unplug() md: fix 'delete_mutex' deadlock md: use mddev->external to select holder in export_rdev() md/raid1-10: fix casting from randomized structure in raid1_submit_write() md/raid10: fix the condition to call bio_end_io_acct()
Diffstat (limited to 'block/blk-mq.c')
-rw-r--r--block/blk-mq.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index decb6ab2d508..98eb31ff914d 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1280,7 +1280,11 @@ static void blk_add_rq_to_plug(struct blk_plug *plug, struct request *rq)
if (!plug->multiple_queues && last && last->q != rq->q)
plug->multiple_queues = true;
- if (!plug->has_elevator && (rq->rq_flags & RQF_USE_SCHED))
+ /*
+ * Any request allocated from sched tags can't be issued to
+ * ->queue_rqs() directly
+ */
+ if (!plug->has_elevator && (rq->rq_flags & RQF_SCHED_TAGS))
plug->has_elevator = true;
rq->rq_next = NULL;
rq_list_add(&plug->mq_list, rq);