linux-kernel - Re: [PATCH v12 0/3] bio: control bio max size

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Message-ID: <9e1c43a8-1c6d-95c6-ce4c-34ac194b9022@acm.org>
Date:   Fri, 4 Jun 2021 09:13:02 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     Changheun Lee <nanich.lee@...sung.com>, Johannes.Thumshirn@....com,
        alex_y_xu@...oo.ca, asml.silence@...il.com, axboe@...nel.dk,
        bgoncalv@...hat.com, jejb@...ux.ibm.com,
        martin.petersen@...cle.com, cang@...eaurora.org,
        avri.altman@....com, alim.akhtar@...sung.com,
        damien.lemoal@....com, gregkh@...uxfoundation.org,
        hch@...radead.org, jaegeuk@...nel.org, linux-block@...r.kernel.org,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        ming.lei@...hat.com, osandov@...com, patchwork-bot@...nel.org,
        tj@...nel.org, tom.leiming@...il.com, yi.zhang@...hat.com
Cc:     jisoo2146.oh@...sung.com, junho89.kim@...sung.com,
        mj0123.lee@...sung.com, seunghwan.hyun@...sung.com,
        sookwan7.kim@...sung.com, woosung2.lee@...sung.com,
        yt0928.kim@...sung.com
Subject: Re: [PATCH v12 0/3] bio: control bio max size

On 6/3/21 10:03 PM, Changheun Lee wrote:
> bio size can grow up to 4GB after muli-page bvec has been enabled.
> But sometimes large size of bio would lead to inefficient behaviors.
> Control of bio max size will be helpful to improve inefficiency.
> 
> blk_queue_max_bio_bytes() is added to enable be set the max_bio_bytes in
> each driver layer. And max_bio_bytes sysfs is added to show current
> max_bio_bytes for each request queue.
> bio size can be controlled via max_bio_bytes.

Where is the version history for this patch series?

Has this patch series been tested in combination with dm-crypt?

Bart.