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Tue, 26 Jan 2021 01:48:06 +0000 (GMT) From: Changheun Lee To: Johannes.Thumshirn@wdc.com, asml.silence@gmail.com, axboe@kernel.dk, damien.lemoal@wdc.com, 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 v3 2/2] bio: add limit_bio_size sysfs Date: Tue, 26 Jan 2021 10:32:35 +0900 Message-Id: <20210126013235.28711-2-nanich.lee@samsung.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20210126013235.28711-1-nanich.lee@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA02Te0xTVxzHd+5tb28JHZeC44w5YHevyKNPCwcGi1Hjqi4b7PEHzqRUuAFc X+ttnW7ZxoYWB0hlJhML6JYx2SAL8hAorMaUmAUim0GhjgiMhzyUh1BxDJis9ErGf9/f7/f5 nW9+v3MOiYs9RDiZa7AwZoNWRxMBvOaObdI4jyUoQ9be/CqqqGkGqHbATqATBY8wVDz2FR/9 WziIocVhFrn6Y9DNtgoCuc/kY+hsYwWO+oauC1DHYC8PDVeV4uj3zgU+Oj+6Ay1XXwNobskj QF2tZ3BU5/qH2BGiLs2fFaidjgGB+ma3Vd1Q8zWhnrvSS6hLmmqA2tsQoS64WoSlkgd0yTmM NosxRzGGTGNWriE7hd7/rmaXRhUvk8fJE1ECHWXQ6pkUevebqXF7cnW+aeioI1qd1ZdK1bIs LX092Wy0WpioHCNrSaEZU5bOJJeZJKxWz1oN2ZJMoz5JLpMpVD4yQ5ezXN/DM/0ccHSsZgTL A6tkIRCSkNoOBx+3CQpBACmmWgFcOf8nxgULAK5NDvHXKTH1CMD57nc2OkbGi59ALgCnf53g c4EXwKmTN4h1iqBiYclMP7FeCKWOY9A214evBzg1CuCtTpufCqFUsOP2sl/zqJehzdXi9xNR r8GSO3U45xcJ756q9mshlQwfeOZ4HBMMO8+N+TXuY/Ivl/sNIHWbhLWVNsA174ZNI5M8TofA e781CTgdDqfsNgHXUARgvu0C4ILTAFZNXMQ4SgkXvF5fgfRZbIN1bVIu/QJ0rlQCzvlpOLtY zF9HICWCJ21iDnkJXj8+hG94TfzifHKiGj683w64pdoB/OMh/zSIcmyax7FpHsf/xt8BvAY8 w5hYfTbDyk3KzZfcAPwvPDqhFXw780DiBhgJ3ACSOB0qapcEZohFWdpjnzBmo8Zs1TGsG6h8 2y7Fw7dkGn1fxGDRyFUKpVKJtscnxKuUdJjokOwvjZjK1lqYDxnGxJg3+jBSGJ6HJVvx/CC+ 8MTBlNhTPx5WAW//D5dHb0yNb105FrOlwnpwqIgXWC53NY2/EtF55W5s76giKHD63iV+7ZdP GUeq6Lcnc4NqL1CF0Q5F3mrPUthsxIJHat+b5N36xq6U7kRL0Vtl1fpGNjHMERD+TUtb5K2Z fXRofUBT8MVrPQOa5+odO4dXP0v3aJ6vCJ5xviidjkm6+rl63l5eeFj0ccHjloE0IlLVmN51 KHPme0edBK8VNjdOLFcdTW5L+6Jf7658X/rekQOKJInK9ZNOmLdYNb7v78r7urW8c4ZLo2X4 WcuzZZ+anDvxbuf8naWP1j4oUayZ9nSlZ7jTiOXOYE0H395H89gcrTwaN7Pa/wDs61tSagQA AA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFupnkeLIzCtJLcpLzFFi42LZdlhJTvd6CX+CwcJVTBZzVm1jtFh9t5/N orX9G5NFz5MmVou/XfeYLL4+LLbYe0vb4vKuOWwWhyY3M1lM3zyH2eLa/TPsFofvXWWxeLhk IrPFuZOfWC3mPXaw+LX8KKPF+x/X2S1O7ZjMbLF+7082B2GPic3v2D12zrrL7nH5bKnHplWd bB7v911l8+jbsorR4/MmOY/2A91MARxRXDYpqTmZZalF+nYJXBm/Nl5iKVjJVfFk1SOmBsY/ HF2MnBwSAiYSj571MHUxcnEICexmlNi5YTsTREJK4viJt6xdjBxAtrDE4cPFEDUfGSVOd3ew gNSwCehI9L29xQaSEBGYxCSx9+BuZhCHWeA1o0TX40VgVcICphKHb/xiA7FZBFQl2vZuZwWx eQWsJfrurGeG2CYv8bR3OZjNKWAj8eH6e7BeIaCahZufMkLUC0qcnPkELM4MVN+8dTbzBEaB WUhSs5CkFjAyrWKUTC0ozk3PLTYsMMxLLdcrTswtLs1L10vOz93ECI4zLc0djNtXfdA7xMjE wXiIUYKDWUmEd7ceT4IQb0piZVVqUX58UWlOavEhRmkOFiVx3gtdJ+OFBNITS1KzU1MLUotg skwcnFINTLX+ZzYHbDnGN/HQDC3JuVcWJjxW5meu3n/pwtQ3q7zOrG5fXDKnTsGlXWNOb1HP 8eOWnqbtrXcOBy87d/nY4/nfWSe+vCdaXnmiWazFQpR/15XnL6+Jl5T869u7J9AucL5Y4/3V m1++kM3hN+ZcyL+R1TZH5MNm3rNRdzNTJKeft3xo9O5iTcjFHS9eZ/h+ktux8ESI3Tyl24q/ voc8NXmWp8z3/27Ag46vm+4U2Hvqz++S4y7UmLdug2r8/eu1ngwsO/mcVk/a/Hv5TMbFRfN7 th6+7Lr09dHDV01Vld+wd2q3/8pg7KnYVX/905rqMOGw3P9fN2Zf40r7Jfs91DNo9uS93ZXp C89rh/jYa2spsRRnJBpqMRcVJwIA2geL5SIDAAA= X-CMS-MailID: 20210126014807epcas1p1a7274e9ba472286df03aac8e627b4633 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: 20210126014807epcas1p1a7274e9ba472286df03aac8e627b4633 References: <20210126013235.28711-1-nanich.lee@samsung.com> Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Add new sysfs node to limit bio size. Signed-off-by: Changheun Lee --- block/blk-sysfs.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index b513f1683af0..840d97f427e6 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -288,6 +288,7 @@ QUEUE_SYSFS_BIT_FNS(nonrot, NONROT, 1); QUEUE_SYSFS_BIT_FNS(random, ADD_RANDOM, 0); QUEUE_SYSFS_BIT_FNS(iostats, IO_STAT, 0); QUEUE_SYSFS_BIT_FNS(stable_writes, STABLE_WRITES, 0); +QUEUE_SYSFS_BIT_FNS(limit_bio_size, LIMIT_BIO_SIZE, 0); #undef QUEUE_SYSFS_BIT_FNS static ssize_t queue_zoned_show(struct request_queue *q, char *page) @@ -615,6 +616,7 @@ QUEUE_RW_ENTRY(queue_nonrot, "rotational"); QUEUE_RW_ENTRY(queue_iostats, "iostats"); QUEUE_RW_ENTRY(queue_random, "add_random"); QUEUE_RW_ENTRY(queue_stable_writes, "stable_writes"); +QUEUE_RW_ENTRY(queue_limit_bio_size, "limit_bio_size"); static struct attribute *queue_attrs[] = { &queue_requests_entry.attr, @@ -648,6 +650,7 @@ static struct attribute *queue_attrs[] = { &queue_rq_affinity_entry.attr, &queue_iostats_entry.attr, &queue_stable_writes_entry.attr, + &queue_limit_bio_size_entry.attr, &queue_random_entry.attr, &queue_poll_entry.attr, &queue_wc_entry.attr, -- 2.28.0