linux-kernel - Re: [PATCH 4/4] blk-mq: add a exit

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Message-ID: <CACVXFVNx=s1na1o7cPgjqL2rMcT73gVjmUOYyZdzE3KQ+MZH9Q@mail.gmail.com>
Date:	Wed, 19 Mar 2014 13:22:07 +0800
From:	Ming Lei <tom.leiming@...il.com>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	Jens Axboe <axboe@...nel.dk>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 4/4] blk-mq: add a exit_request method

On Mon, Mar 17, 2014 at 9:18 PM, Christoph Hellwig <hch@...radead.org> wrote:
> This gives drivers an easy way to free any resources allocated in
> ->init_request.
>
> Signed-off-by: Christoph Hellwig <hch@....de>
> ---
>  block/blk-mq.c |   18 +++++++++++++++++-
>  1 file changed, 17 insertions(+), 1 deletion(-)
>
> diff --git a/block/blk-mq.c b/block/blk-mq.c
> index c2ce99b..c7e723e 100644
> --- a/block/blk-mq.c
> +++ b/block/blk-mq.c
> @@ -1000,6 +1000,16 @@ static void blk_mq_free_rq_map(struct blk_mq_hw_ctx *hctx)
>  {
>         struct page *page;
>
> +       if (hctx->rqs && hctx->queue->mq_ops->exit_request) {

exit_request definition is missed.


Thanks,
-- 
Ming Lei
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