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Tue, 13 Apr 2021 03:12:56 +0000 (GMT) From: Changheun Lee To: damien.lemoal@wdc.com, bvanassche@acm.org, Johannes.Thumshirn@wdc.com, asml.silence@gmail.com, axboe@kernel.dk, gregkh@linuxfoundation.org, hch@infradead.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, ming.lei@redhat.com, osandov@fb.com, patchwork-bot@kernel.org, tj@kernel.org, tom.leiming@gmail.com Cc: jisoo2146.oh@samsung.com, junho89.kim@samsung.com, mj0123.lee@samsung.com, seunghwan.hyun@samsung.com, sookwan7.kim@samsung.com, woosung2.lee@samsung.com, yt0928.kim@samsung.com, Changheun Lee Subject: [PATCH v7 0/3] limit bio max size Date: Tue, 13 Apr 2021 11:54:59 +0900 Message-Id: <20210413025502.31579-1-nanich.lee@samsung.com> X-Mailer: git-send-email 2.29.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA01TfUxbVRzdfa+8FhSthcFdnYM1IwoOaFcKlwmMKJvPoAZFIyGa0sELEPq1 vnabGh2uowhjAxzp+JZt6JaCq5aOAAlfrYjIWNACW0iAERh0sMHkY7ChiS2PRf77nXPP7557 fvdeDs6bJficbKWW0ihlcgHhxWq2B4eHRj+vSxPOj3mhalMzQA1jxQQyPnqCo7z8xxjSXzET qL/kMoaKpk97oH8LxzG0Okmj9tHXkaOtmkC2C3oMXWyqxtHIxE02so8Ps9BkfSmObvUteaDa qXj09GoPQIvrt9noj5YLODK3PyHi/UjHUCJZql9gk62VY2yy6VoI6RjQkRZTAUF21jSyycWO YYI8bzUBctmyh8zvOoslPZcqj8miZBmUJpBSpqsyspWZsYLEZOlbUkmkUBQqikZRgkClTEHF ChLeTQo9ki13JRUEHpfJdS4qSUbTgvC4GI1Kp6UCs1S0NlZAqTPkapFQHUbLFLROmRmWrlIc FAmFByQuZZo8q944ANR3iJMzl66CXGBnFQIOB3IjYJf5RCHw4vC4LQC2FMxhDFgCsGz0BzYD HgOY11CFFwLPzY7m3g0Ws9AO4O2/bVuqZQALv2nE3CqCux+efzhKuBd8uX0YXG/oB26Ac6cA HOozEG6VDzcEjhpGgLtmcYOg417zpoc39w04cuMXFuMXAP+ZKNriX4J9FdObPO7i9TfcZ/Jy ae5yYKfeCpiGBLiWV81mah8412vdqvnwfrGBzTScBVBv+B4woATA+tkfMUYlhkvLy8A9HJwb DM1t4Qy9F7Zu1ADG+QW4sFrkwczPG35r4DGSffDmmQn8mdfsT61bO5JwvLZuMzCP+xnsKFhm lYCAym15KrflqfzfuA7gJuBHqWlFJkWL1BHbL9YCNl98CGoBNQ8fhdkAxgE2ADm4wNf7SJk2 jeedIfv8C0qjkmp0coq2AYlrwqU4f2e6yvVllFqpSHJALBajiMioSIlY4O99VHhXyuNmyrRU DkWpKc2zPozjyc/FdiUKbT0z5waNnz4our5iObaj4UPLd5kVvI71zvTdv6ts98vW4bXW8ofJ fP8PnF0isXkt+NdU35MJ1kPWnak/l6wOoKK23s57VYn6tdCj/tF0vGn/Qh+bNfDyvNQzkjxT bgpcHLjcZVQtxL09tufrQafjt2H417Hdl+IidrwzquRtGC1+3Tn8YSr30EfdbLHzRdZGVFPQ g7mv+g35KZq9Zv3pxRXJndpXmnbNV63M5FxpHUmxfTky019vf60x5vBTR8V1n6kTAUbpe7Vj k9l61lD34OG86dryOnK157g11fPjU5+8X2Fvd/65ryTonLg45dZBXt6paftF6lXnmwpnocKW LGDRWTJRCK6hZf8BuaUufXoEAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprMIsWRmVeSWpSXmKPExsWy7bCSvK4FT2mCwf+DIhZzVm1jtFh9t5/N YtqHn8wWre3fmCyaF69nszg9YRGTRc+TJlaLv133mCy+Piy22HtL2+LyrjlsFocmNzNZTN88 h9ni2v0z7BaH711lsXi4ZCKzxbmTn1gt5j12sPi1/Cijxfsf19ktTu2YzGyxfu9PNgcxj8tX vD0mNr9j99g56y67x+YVWh6Xz5Z6bFrVyeaxf+4ado/3+66yefRtWcXo8XmTnEf7gW6mAO4o LpuU1JzMstQifbsErowl084yFtxgq3i2cDljA+Nhli5GTg4JAROJbcd/A9lcHEICuxkljrRO ZYZISEkcP/GWtYuRA8gWljh8uBii5iOjxJ0rtxlBatgEdCT63t5iA0mICNxmkri05SjYJGaB 14wSXY8Xga0QFtCSuNV2DayDRUBV4vLTbWAbeAWsJa5t3Qh1hrzEn/s9UHFBiZMzn4DFmYHi zVtnM09g5JuFJDULSWoBI9MqRsnUguLc9NxiwwLDvNRyveLE3OLSvHS95PzcTYzgeNPS3MG4 fdUHvUOMTByMhxglOJiVRHjdppQkCPGmJFZWpRblxxeV5qQWH2KU5mBREue90HUyXkggPbEk NTs1tSC1CCbLxMEp1cA081fFevPvq1W+xG+q6G/3N+zbJi3JskdleuS0Gv2zC+/8PP3KaX66 TfL8I46b6resPPKeKfLpHDfTs0vqL85Q5xS+/qRrd2LTJ2slsTAvv/uztDfkW57pEpq0e0r0 pw1L/heJBDmyfz5hEfkx7br20X43J8UVd9JN+S9s37mySuuKDr+Oaewfn9u9TwvXTpdZME/g LeNvbfGUvE9nJG//elW7K2BTelZYf78/++9+vogbp7laP/z/YjGzzVDjcPD8yc90ml6dzDmU +0fv+t776jFXZ17x3cXz4qNaje+MrkK7G5/y8hbdy98Y9C1M5k9NzoQnJ4LPSLkeNuDZ9sQm +8uHX9999/988vPuF13mZUosxRmJhlrMRcWJAPJ18L4mAwAA X-CMS-MailID: 20210413031256epcas1p2f3c3f140192178928b92fc070010354d X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: SVC_REQ_APPROVE CMS-TYPE: 101P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20210413031256epcas1p2f3c3f140192178928b92fc070010354d References: Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org 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