Re: [PATCH 0/5] blk-mq: allow to run queue if queue refcount is held

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To: "jianchao.wang" <jianchao.w.wang@xxxxxxxxxx>, Ming Lei <ming.lei@xxxxxxxxxx>
Subject: Re: [PATCH 0/5] blk-mq: allow to run queue if queue refcount is held
From: Bart Van Assche <bvanassche@xxxxxxx>
Date: Tue, 02 Apr 2019 11:07:15 -0700
Cc: Jens Axboe <axboe@xxxxxxxxx>, linux-block@xxxxxxxxxxxxxxx, James Smart <james.smart@xxxxxxxxxxxx>, Bart Van Assche <bart.vanassche@xxxxxxx>, linux-scsi@xxxxxxxxxxxxxxx, "Martin K . Petersen" <martin.petersen@xxxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, "James E . J . Bottomley" <jejb@xxxxxxxxxxxxxxxxxx>
In-reply-to: <fa9375ec-a2a7-d065-b941-7822f3791242@oracle.com>
References: <20190331030954.22320-1-ming.lei@redhat.com> <10c8ed10-3c96-b73c-18d8-114773b1d675@acm.org> <20190401020036.GB30776@ming.t460p> <a64684d1-c3dc-b10a-1a03-0a8b2d01b331@acm.org> <fa9375ec-a2a7-d065-b941-7822f3791242@oracle.com>

On Mon, 2019-04-01 at 10:44 +-0800, jianchao.wang wrote:
+AD4 percpu+AF8-ref+AF8-tryget would be better to get pending requests to be issued when queue is frozen.

Agreed.

Thanks,

Bart.

References:
- [PATCH 0/5] blk-mq: allow to run queue if queue refcount is held
  - From: Ming Lei
- Re: [PATCH 0/5] blk-mq: allow to run queue if queue refcount is held
  - From: Bart Van Assche
- Re: [PATCH 0/5] blk-mq: allow to run queue if queue refcount is held
  - From: Ming Lei
- Re: [PATCH 0/5] blk-mq: allow to run queue if queue refcount is held
  - From: Bart Van Assche
- Re: [PATCH 0/5] blk-mq: allow to run queue if queue refcount is held
  - From: jianchao.wang

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