linux-kernel - Re: [PATCH v2] blk-mq: Properly init requests from blk_mq_alloc_request

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Message-ID: <CAFj5m9+o4Q9o-qYgwn-XLJxOn6h0JjGOscwCOHEZkxzOBCdDGA@mail.gmail.com>
Date:   Wed, 26 Oct 2022 19:39:58 +0800
From:   Ming Lei <ming.lei@...hat.com>
To:     John Garry <john.garry@...wei.com>
Cc:     axboe@...nel.dk, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, hch@....de, bvanassche@....org
Subject: Re: [PATCH v2] blk-mq: Properly init requests from blk_mq_alloc_request_hctx()

On Wed, Oct 26, 2022 at 6:04 PM John Garry <john.garry@...wei.com> wrote:
>
> Function blk_mq_alloc_request_hctx() is missing zeroing/init of rq->bio,
> biotail, __sector, and __data_len members, which blk_mq_alloc_request()
> has, so duplicate what we do in blk_mq_alloc_request().
>
> Fixes: 1f5bd336b9150 ("blk-mq: add blk_mq_alloc_request_hctx")
> Signed-off-by: John Garry <john.garry@...wei.com>

Reviewed-by: Ming Lei <ming.lei@...hat.com>