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From: Changheun Lee <nanich.lee@samsung.com>
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 <nanich.lee@samsung.com>
Subject: [PATCH v3 2/2] bio: add limit_bio_size sysfs
Date: Tue, 26 Jan 2021 10:32:35 +0900	[thread overview]
Message-ID: <20210126013235.28711-2-nanich.lee@samsung.com> (raw)
In-Reply-To: <20210126013235.28711-1-nanich.lee@samsung.com>

Add new sysfs node to limit bio size.

Signed-off-by: Changheun Lee <nanich.lee@samsung.com>
---
 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


  parent reply	other threads:[~2021-01-26 10:37 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20210126014805epcas1p2c4fc40f01c9c89b0a94ff6cac5408347@epcas1p2.samsung.com>
2021-01-26  1:32 ` [PATCH v3 1/2] bio: limit bio max size Changheun Lee
     [not found]   ` <CGME20210126014807epcas1p1a7274e9ba472286df03aac8e627b4633@epcas1p1.samsung.com>
2021-01-26  1:32     ` Changheun Lee [this message]
2021-01-26  3:57   ` Ming Lei
2021-01-26  4:06     ` Damien Le Moal
2021-01-26  6:07       ` Ming Lei
2021-01-26  6:26         ` Damien Le Moal
2021-01-26 11:54           ` Ming Lei
     [not found]             ` <CGME20210127005900epcas1p2456b0f3321b404995445b8654468c30e@epcas1p2.samsung.com>
2021-01-27  0:43               ` Changheun Lee
2021-01-26 15:05     ` Christoph Hellwig

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