[RFC] blk-throttle: export io_serviced_recursive, io_service_bytes_recursive

[weiping zhang]

export these two interface for cgroup-v1.

Signed-off-by: weiping zhang <zhangweip...@didichuxing.com>
---
 block/blk-throttle.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index 96ad326..1d7637f 100644
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -1512,10 +1512,20 @@ 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 */
 };
 
-- 
2.9.4