Searched refs:rwstat (Results 1 - 3 of 3) sorted by relevance

/linux-master/block/
H A Dblk-cgroup-rwstat.c3 * Legacy blkg rwstat helpers enabled by CONFIG_BLK_CGROUP_RWSTAT.
6 #include "blk-cgroup-rwstat.h"
8 int blkg_rwstat_init(struct blkg_rwstat *rwstat, gfp_t gfp) argument
13 ret = percpu_counter_init(&rwstat->cpu_cnt[i], 0, gfp);
16 percpu_counter_destroy(&rwstat->cpu_cnt[i]);
19 atomic64_set(&rwstat->aux_cnt[i], 0);
25 void blkg_rwstat_exit(struct blkg_rwstat *rwstat) argument
30 percpu_counter_destroy(&rwstat->cpu_cnt[i]);
38 * @rwstat: rwstat t
42 __blkg_prfill_rwstat(struct seq_file *sf, struct blkg_policy_data *pd, const struct blkg_rwstat_sample *rwstat) argument
82 struct blkg_rwstat_sample rwstat = { }; local
115 struct blkg_rwstat *rwstat; local
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H A Dblk-cgroup-rwstat.h3 * Legacy blkg rwstat helpers enabled by CONFIG_BLK_CGROUP_RWSTAT.
35 static inline u64 blkg_rwstat_read_counter(struct blkg_rwstat *rwstat, argument
38 return atomic64_read(&rwstat->aux_cnt[idx]) +
39 percpu_counter_sum_positive(&rwstat->cpu_cnt[idx]);
42 int blkg_rwstat_init(struct blkg_rwstat *rwstat, gfp_t gfp);
43 void blkg_rwstat_exit(struct blkg_rwstat *rwstat);
45 const struct blkg_rwstat_sample *rwstat);
54 * @rwstat: target blkg_rwstat
58 * Add @val to @rwstat. The counters are chosen according to @rw. The
61 static inline void blkg_rwstat_add(struct blkg_rwstat *rwstat, argument
89 blkg_rwstat_read(struct blkg_rwstat *rwstat, struct blkg_rwstat_sample *result) argument
107 blkg_rwstat_total(struct blkg_rwstat *rwstat) argument
119 blkg_rwstat_reset(struct blkg_rwstat *rwstat) argument
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H A DMakefile18 obj-$(CONFIG_BLK_CGROUP_RWSTAT) += blk-cgroup-rwstat.o

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