summaryrefslogtreecommitdiff
path: root/block/blk-sysfs.c
diff options
context:
space:
mode:
authorChristoph Hellwig2025-05-06 17:47:25 +0530
committerJens Axboe2025-05-06 07:46:43 -0600
commitc23acfac10786ac5062a0615e23e68b913ac8da0 (patch)
tree5f43ddf6849a05e0541e0138466ebb7f79331e1e /block/blk-sysfs.c
parentd2f526ba27d29c442542f7c5df0a86ef0b576716 (diff)
block: introduce a write_stream_granularity queue limit
Export the granularity that write streams should be discarded with, as it is essential for making good use of them. Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Nitesh Shetty <nj.shetty@samsung.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Keith Busch <kbusch@kernel.org> Signed-off-by: Kanchan Joshi <joshi.k@samsung.com> Link: https://lore.kernel.org/r/20250506121732.8211-5-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.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index 5934150d4204..386374ff655b 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -135,6 +135,7 @@ 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(write_stream_granularity)
QUEUE_SYSFS_LIMIT_SHOW(logical_block_size)
QUEUE_SYSFS_LIMIT_SHOW(physical_block_size)
QUEUE_SYSFS_LIMIT_SHOW(chunk_sectors)
@@ -490,6 +491,7 @@ 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_LIM_RO_ENTRY(queue_write_stream_granularity, "write_stream_granularity");
QUEUE_RW_ENTRY(elv_iosched, "scheduler");
QUEUE_LIM_RO_ENTRY(queue_logical_block_size, "logical_block_size");
@@ -645,6 +647,7 @@ static struct attribute *queue_attrs[] = {
&queue_max_integrity_segments_entry.attr,
&queue_max_segment_size_entry.attr,
&queue_max_write_streams_entry.attr,
+ &queue_write_stream_granularity_entry.attr,
&queue_hw_sector_size_entry.attr,
&queue_logical_block_size_entry.attr,
&queue_physical_block_size_entry.attr,