[PATCH v4 2/2] bio: add limit_bio_size sysfs
From: Changheun Lee <hidden>
Date: 2021-01-29 04:07:53
Also in:
lkml
Subsystem:
block layer, the rest · Maintainers:
Jens Axboe, Linus Torvalds
Add new sysfs node to limit bio size. Signed-off-by: Changheun Lee <redacted> --- 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