| Message ID | 20210203092247.29258-1-nanich.lee@samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | None | expand |
On Wed, Feb 03, 2021 at 06:22:47PM +0900, Changheun Lee wrote: > Add limit_bio_size block sysfs node to limit bio size. > Queue flag QUEUE_FLAG_LIMIT_BIO_SIZE will be set if limit_bio_size is set. > And bio max size will be limited by queue max sectors via > QUEUE_FLAG_LIMIT_BIO_SIZE set. > > 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, Still no documentation for this new file? That's not allowed :( greg k-h
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,
Add limit_bio_size block sysfs node to limit bio size. Queue flag QUEUE_FLAG_LIMIT_BIO_SIZE will be set if limit_bio_size is set. And bio max size will be limited by queue max sectors via QUEUE_FLAG_LIMIT_BIO_SIZE set. Signed-off-by: Changheun Lee <nanich.lee@samsung.com> --- block/blk-sysfs.c | 3 +++ 1 file changed, 3 insertions(+)