blk-throttle: export io_serviced_recursive, io_service_bytes_recursive

export these two interface for cgroup-v1.

Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: weiping zhang <zhangweiping@didichuxing.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

1 files changed, 10 insertions, 0 deletions

diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index 825bc29767e6..e8428417ac0a 100644
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -1511,10 +1511,20 @@ static struct cftype throtl_legacy_files[] = {
 		.seq_show = blkg_print_stat_bytes,
 	},
 	{
+		.name = "throttle.io_service_bytes_recursive",
+		.private = (unsigned long)&blkcg_policy_throtl,
+		.seq_show = blkg_print_stat_bytes_recursive,
+	},
+	{
 		.name = "throttle.io_serviced",
 		.private = (unsigned long)&blkcg_policy_throtl,
 		.seq_show = blkg_print_stat_ios,
 	},
+	{
+		.name = "throttle.io_serviced_recursive",
+		.private = (unsigned long)&blkcg_policy_throtl,
+		.seq_show = blkg_print_stat_ios_recursive,
+	},
 	{ }	/* terminate */
 };