From 155fead9b6347ead90e0b0396cb108a6ba6126c6 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Sun, 1 Apr 2012 14:38:44 -0700 Subject: blkcg: move blkio_group_stats to cfq-iosched.c blkio_group_stats contains only fields used by cfq and has no reason to be defined in blkcg core. * Move blkio_group_stats to cfq-iosched.c and rename it to cfqg_stats. * blkg_policy_data->stats is replaced with cfq_group->stats. blkg_prfill_[rw]stat() are updated to use offset against pd->pdata instead. * All related macros / functions are renamed so that they have cfqg_ prefix and the unnecessary @pol arguments are dropped. * All stat functions now take cfq_group * instead of blkio_group *. * lockdep assertion on queue lock dropped. Elevator runs under queue lock by default. There isn't much to be gained by adding lockdep assertions at stat function level. * cfqg_stats_reset() implemented for blkio_reset_group_stats_fn method so that cfqg->stats can be reset. Signed-off-by: Tejun Heo --- block/blk-cgroup.h | 41 ----------------------------------------- 1 file changed, 41 deletions(-) (limited to 'block/blk-cgroup.h') diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h index d0ee649e8bbb..791570394e87 100644 --- a/block/blk-cgroup.h +++ b/block/blk-cgroup.h @@ -64,46 +64,6 @@ struct blkg_rwstat { uint64_t cnt[BLKG_RWSTAT_NR]; }; -struct blkio_group_stats { - /* total bytes transferred */ - struct blkg_rwstat service_bytes; - /* total IOs serviced, post merge */ - struct blkg_rwstat serviced; - /* number of ios merged */ - struct blkg_rwstat merged; - /* total time spent on device in ns, may not be accurate w/ queueing */ - struct blkg_rwstat service_time; - /* total time spent waiting in scheduler queue in ns */ - struct blkg_rwstat wait_time; - /* number of IOs queued up */ - struct blkg_rwstat queued; - /* total sectors transferred */ - struct blkg_stat sectors; - /* total disk time and nr sectors dispatched by this group */ - struct blkg_stat time; -#ifdef CONFIG_DEBUG_BLK_CGROUP - /* time not charged to this cgroup */ - struct blkg_stat unaccounted_time; - /* sum of number of ios queued across all samples */ - struct blkg_stat avg_queue_size_sum; - /* count of samples taken for average */ - struct blkg_stat avg_queue_size_samples; - /* how many times this group has been removed from service tree */ - struct blkg_stat dequeue; - /* total time spent waiting for it to be assigned a timeslice. */ - struct blkg_stat group_wait_time; - /* time spent idling for this blkio_group */ - struct blkg_stat idle_time; - /* total time with empty current active q with other requests queued */ - struct blkg_stat empty_time; - /* fields after this shouldn't be cleared on stat reset */ - uint64_t start_group_wait_time; - uint64_t start_idle_time; - uint64_t start_empty_time; - uint16_t flags; -#endif -}; - /* Per cpu blkio group stats */ struct blkio_group_stats_cpu { /* total bytes transferred */ @@ -126,7 +86,6 @@ struct blkg_policy_data { /* Configuration */ struct blkio_group_conf conf; - struct blkio_group_stats stats; /* Per cpu stats pointer */ struct blkio_group_stats_cpu __percpu *stats_cpu; -- cgit v1.2.3-58-ga151