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-rw-r--r--block/blk-sysfs.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index fa831cb2fc307..b315e62cc914c 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -677,6 +677,14 @@ static struct queue_sysfs_entry queue_wb_lat_entry = {
.store = queue_wb_lat_store,
};
+#ifdef CONFIG_BLK_DEV_THROTTLING_LOW
+static struct queue_sysfs_entry throtl_sample_time_entry = {
+ .attr = {.name = "throttle_sample_time", .mode = S_IRUGO | S_IWUSR },
+ .show = blk_throtl_sample_time_show,
+ .store = blk_throtl_sample_time_store,
+};
+#endif
+
static struct attribute *default_attrs[] = {
&queue_requests_entry.attr,
&queue_ra_entry.attr,
@@ -710,6 +718,9 @@ static struct attribute *default_attrs[] = {
&queue_dax_entry.attr,
&queue_wb_lat_entry.attr,
&queue_poll_delay_entry.attr,
+#ifdef CONFIG_BLK_DEV_THROTTLING_LOW
+ &throtl_sample_time_entry.attr,
+#endif
NULL,
};