Expose hardware sector size (e68b903c) · Commits · 戴 / test

block/blk-sysfs.c

+11 −0

Original line number	Diff line number	Diff line
		@@ -102,6 +102,11 @@ static ssize_t queue_max_sectors_show(struct request_queue q, char page)
		return queue_var_show(max_sectors_kb, (page));
		}

		static ssize_t queue_hw_sector_size_show(struct request_queue q, char page)
		{
		return queue_var_show(q->hardsect_size, page);
		}

		static ssize_t
		queue_max_sectors_store(struct request_queue q, const char page, size_t count)
		{
		@@ -160,12 +165,18 @@ static struct queue_sysfs_entry queue_iosched_entry = {
		.store = elv_iosched_store,
		};

		static struct queue_sysfs_entry queue_hw_sector_size_entry = {
		.attr = {.name = "hw_sector_size", .mode = S_IRUGO },
		.show = queue_hw_sector_size_show,
		};

		static struct attribute *default_attrs[] = {
		&queue_requests_entry.attr,
		&queue_ra_entry.attr,
		&queue_max_hw_sectors_entry.attr,
		&queue_max_sectors_entry.attr,
		&queue_iosched_entry.attr,
		&queue_hw_sector_size_entry.attr,
		NULL,
		};