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由 Tejun Heo 提交于
iscsi_remove_host() uses bsg_remove_queue() which implements custom queue draining. fc_bsg_remove() open-codes mostly identical logic. The draining logic isn't correct in that blk_stop_queue() doesn't prevent new requests from being queued - it just stops processing, so nothing prevents new requests to be queued after the logic determines that the queue is drained. blk_cleanup_queue() now implements proper queue draining and these custom draining logics aren't necessary. Drop them and use bsg_unregister_queue() + blk_cleanup_queue() instead. Signed-off-by: NTejun Heo <tj@kernel.org> Reviewed-by: NMike Christie <michaelc@cs.wisc.edu> Acked-by: NVivek Goyal <vgoyal@redhat.com> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Cc: James Smart <james.smart@emulex.com> Signed-off-by: NJens Axboe <axboe@kernel.dk>
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