block: Add sysfs entry for fua support (6fcefbe5) · Commits · e / devices / android_kernel_fairphone_FP5

block/blk-sysfs.c

+11 −0

Original line number	Diff line number	Diff line
		@@ -491,6 +491,11 @@ static ssize_t queue_wc_store(struct request_queue q, const char page,
		return count;
		}

		static ssize_t queue_fua_show(struct request_queue q, char page)
		{
		return sprintf(page, "%u\n", test_bit(QUEUE_FLAG_FUA, &q->queue_flags));
		}

		static ssize_t queue_dax_show(struct request_queue q, char page)
		{
		return queue_var_show(blk_queue_dax(q), page);
		@@ -659,6 +664,11 @@ static struct queue_sysfs_entry queue_wc_entry = {
		.store = queue_wc_store,
		};

		static struct queue_sysfs_entry queue_fua_entry = {
		.attr = {.name = "fua", .mode = S_IRUGO },
		.show = queue_fua_show,
		};

		static struct queue_sysfs_entry queue_dax_entry = {
		.attr = {.name = "dax", .mode = S_IRUGO },
		.show = queue_dax_show,
		@@ -708,6 +718,7 @@ static struct attribute *default_attrs[] = {
		&queue_random_entry.attr,
		&queue_poll_entry.attr,
		&queue_wc_entry.attr,
		&queue_fua_entry.attr,
		&queue_dax_entry.attr,
		&queue_wb_lat_entry.attr,
		&queue_poll_delay_entry.attr,