core: add support for IOReadIOPSMax and IOWriteIOPSMax

cgroup IO controller supports maximum limits for both bandwidth and IOPS but systemd resource control currently only supports bandwidth limits. This patch adds support for IOReadIOPSMax and IOWriteIOPSMax when unified cgroup hierarchy is in use. It isn't difficult to also add BlockIOReadIOPS and BlockIOWriteIOPS for legacy hierarchies but IO control on legacy hierarchies is half-broken anyway, so let's leave it alone for now.
2016-05-18 13:50:56 -07:00
parent 9be572497d
commit ac06a0cf8a
6 changed files with 38 additions and 3 deletions
@@ -76,6 +76,8 @@ static inline bool CGROUP_WEIGHT_IS_OK(uint64_t x) {
 typedef enum CGroupIOLimitType {
        CGROUP_IO_RBPS_MAX,
        CGROUP_IO_WBPS_MAX,
+        CGROUP_IO_RIOPS_MAX,
+        CGROUP_IO_WIOPS_MAX,

        _CGROUP_IO_LIMIT_TYPE_MAX,
        _CGROUP_IO_LIMIT_TYPE_INVALID = -1