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Revert "blk-cgroup: delay calling blkcg_exit_disk until disk_release"

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This reverts commit c43332fe02 as it is not
needed without moving to disk references in the blkg.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20230214183308.1658775-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2023-02-14 19:33:05 +01:00 committed by Jens Axboe
parent 1231039db3
commit b4e94f9c2c
2 changed files with 3 additions and 4 deletions
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3
block/blk-throttle.c
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@ -2407,8 +2407,7 @@ void blk_throtl_exit(struct gendisk *disk)
{
struct request_queue *q = disk->queue;
if (!q->td)
return;
BUG_ON(!q->td);
del_timer_sync(&q->td->service_queue.pending_timer);
throtl_shutdown_wq(q);
blkcg_deactivate_policy(disk, &blkcg_policy_throtl);

4
block/genhd.c
View File

@ -668,6 +668,8 @@ void del_gendisk(struct gendisk *disk)
rq_qos_exit(q);
blk_mq_unquiesce_queue(q);
blkcg_exit_disk(disk);
/*
* If the disk does not own the queue, allow using passthrough requests
* again. Else leave the queue frozen to fail all I/O.
@ -1164,8 +1166,6 @@ static void disk_release(struct device *dev)
might_sleep();
WARN_ON_ONCE(disk_live(disk));
blkcg_exit_disk(disk);
/*
* To undo the all initialization from blk_mq_init_allocated_queue in
* case of a probe failure where add_disk is never called we have to