commit 17534c6f2c065ad8e34ff6f013e5afaa90428512
author weiping zhang <zhangweiping@didichuxing.com> Mon Dec 11 22:56:25 2017 +0800
committer Jens Axboe <axboe@kernel.dk> Thu Jan 18 12:55:55 2018 -0700
tree 075d77bb924aa8e4d05668676cd13e7f101bb7c0
parent 2c2086afc2b8b974fac32cb028e73dc27bfae442

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>

block/blk-throttle.c

diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index 825bc29..e842841 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 */
 };