diff options
Diffstat (limited to 'include/linux/blk-cgroup.h')
| -rw-r--r-- | include/linux/blk-cgroup.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h index 4630ce8f9425..286e1bde249f 100644 --- a/include/linux/blk-cgroup.h +++ b/include/linux/blk-cgroup.h @@ -127,6 +127,9 @@ struct blkcg_gq { /* is this blkg online? protected by both blkcg and q locks */ bool online; + struct blkg_rwstat stat_bytes; + struct blkg_rwstat stat_ios; + struct blkg_policy_data *pd[BLKCG_MAX_POLS]; struct rcu_head rcu_head; @@ -190,6 +193,10 @@ u64 __blkg_prfill_rwstat(struct seq_file *sf, struct blkg_policy_data *pd, u64 blkg_prfill_stat(struct seq_file *sf, struct blkg_policy_data *pd, int off); u64 blkg_prfill_rwstat(struct seq_file *sf, struct blkg_policy_data *pd, int off); +int blkg_print_stat_bytes(struct seq_file *sf, void *v); +int blkg_print_stat_ios(struct seq_file *sf, void *v); +int blkg_print_stat_bytes_recursive(struct seq_file *sf, void *v); +int blkg_print_stat_ios_recursive(struct seq_file *sf, void *v); u64 blkg_stat_recursive_sum(struct blkcg_gq *blkg, struct blkcg_policy *pol, int off); @@ -700,6 +707,13 @@ static inline bool blkcg_bio_issue_check(struct request_queue *q, throtl = blk_throtl_bio(q, blkg, bio); + if (!throtl) { + blkg = blkg ?: q->root_blkg; + blkg_rwstat_add(&blkg->stat_bytes, bio->bi_flags, + bio->bi_iter.bi_size); + blkg_rwstat_add(&blkg->stat_ios, bio->bi_flags, 1); + } + rcu_read_unlock(); return !throtl; } |