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| author | Keith Busch <kbusch@kernel.org> | 2025-05-06 17:47:24 +0530 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2025-05-06 07:46:43 -0600 |
| commit | d2f526ba27d29c442542f7c5df0a86ef0b576716 (patch) | |
| tree | 89335d624eda11b9c200da635ee2d805f1c91fd0 /block/blk-sysfs.c | |
| parent | 5006f85ea23ea0bda9a8e31fdda126f4fca48f20 (diff) | |
| download | linux-d2f526ba27d29c442542f7c5df0a86ef0b576716.tar.gz linux-d2f526ba27d29c442542f7c5df0a86ef0b576716.tar.bz2 linux-d2f526ba27d29c442542f7c5df0a86ef0b576716.zip | |
block: introduce max_write_streams queue limit
Drivers with hardware that support write streams need a way to export how
many are available so applications can generically query this.
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Nitesh Shetty <nj.shetty@samsung.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
[hch: renamed hints to streams, removed stacking]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Kanchan Joshi <joshi.k@samsung.com>
Link: https://lore.kernel.org/r/20250506121732.8211-4-joshi.k@samsung.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-sysfs.c')
| -rw-r--r-- | block/blk-sysfs.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index 01e0ead13278..5934150d4204 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -134,6 +134,7 @@ QUEUE_SYSFS_LIMIT_SHOW(max_segments) QUEUE_SYSFS_LIMIT_SHOW(max_discard_segments) QUEUE_SYSFS_LIMIT_SHOW(max_integrity_segments) QUEUE_SYSFS_LIMIT_SHOW(max_segment_size) +QUEUE_SYSFS_LIMIT_SHOW(max_write_streams) QUEUE_SYSFS_LIMIT_SHOW(logical_block_size) QUEUE_SYSFS_LIMIT_SHOW(physical_block_size) QUEUE_SYSFS_LIMIT_SHOW(chunk_sectors) @@ -488,6 +489,7 @@ QUEUE_LIM_RO_ENTRY(queue_max_hw_sectors, "max_hw_sectors_kb"); QUEUE_LIM_RO_ENTRY(queue_max_segments, "max_segments"); QUEUE_LIM_RO_ENTRY(queue_max_integrity_segments, "max_integrity_segments"); QUEUE_LIM_RO_ENTRY(queue_max_segment_size, "max_segment_size"); +QUEUE_LIM_RO_ENTRY(queue_max_write_streams, "max_write_streams"); QUEUE_RW_ENTRY(elv_iosched, "scheduler"); QUEUE_LIM_RO_ENTRY(queue_logical_block_size, "logical_block_size"); @@ -642,6 +644,7 @@ static struct attribute *queue_attrs[] = { &queue_max_discard_segments_entry.attr, &queue_max_integrity_segments_entry.attr, &queue_max_segment_size_entry.attr, + &queue_max_write_streams_entry.attr, &queue_hw_sector_size_entry.attr, &queue_logical_block_size_entry.attr, &queue_physical_block_size_entry.attr, |