linux-kernel - [PATCH v7 0/3] limit bio max size

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Date:   Tue, 13 Apr 2021 11:54:59 +0900
From:   Changheun Lee <nanich.lee@...sung.com>
To:     damien.lemoal@....com, bvanassche@....org,
        Johannes.Thumshirn@....com, asml.silence@...il.com,
        axboe@...nel.dk, gregkh@...uxfoundation.org, hch@...radead.org,
        linux-block@...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
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, Changheun Lee <nanich.lee@...sung.com>
Subject: [PATCH v7 0/3] limit bio max size

I found a inefficient behavior from multipage bvec. Large chunk DIO
scenario is that. This patch series could be a solution to improve it.

Changheun Lee (3):
  bio: limit bio max size
  ufs: set QUEUE_FLAG_LIMIT_BIO_SIZE
  bio: add limit_bio_size sysfs

 Documentation/ABI/testing/sysfs-block | 10 ++++++++++
 Documentation/block/queue-sysfs.rst   |  7 +++++++
 block/bio.c                           | 13 ++++++++++++-
 block/blk-settings.c                  | 17 +++++++++++++++++
 block/blk-sysfs.c                     |  3 +++
 drivers/scsi/scsi_lib.c               |  2 ++
 drivers/scsi/ufs/ufshcd.c             |  1 +
 include/linux/bio.h                   |  4 +++-
 include/linux/blkdev.h                |  4 ++++
 include/scsi/scsi_host.h              |  2 ++
 10 files changed, 61 insertions(+), 2 deletions(-)

-- 
2.29.0