block: don't drain in-progress dispatch in blk_cleanup_queue()
Now freeing hw queue resource is moved to hctx's release handler, we don't need to worry about the race between blk_cleanup_queue and run queue any more. So don't drain in-progress dispatch in blk_cleanup_queue(). This is basically revert of c2856ae2 ("blk-mq: quiesce queue before freeing queue"). Cc: Dongli Zhang <dongli.zhang@oracle.com> Cc: James Smart <james.smart@broadcom.com> Cc: Bart Van Assche <bart.vanassche@wdc.com> Cc: linux-scsi@vger.kernel.org, Cc: Martin K . Petersen <martin.petersen@oracle.com>, Cc: Christoph Hellwig <hch@lst.de>, Cc: James E . J . Bottomley <jejb@linux.vnet.ibm.com>, Reviewed-by: NBart Van Assche <bvanassche@acm.org> Reviewed-by: NHannes Reinecke <hare@suse.com> Tested-by: NJames Smart <james.smart@broadcom.com> Signed-off-by: NMing Lei <ming.lei@redhat.com> Signed-off-by: NJens Axboe <axboe@kernel.dk>
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