blkg_iostat_set
blkg_iostat_set(&delta, cur);
struct blkg_iostat_set *bisc, *next_bisc;
blkg_iostat_set(&cur, &bisc->cur);
blkg_iostat_set(&blkg->iostat.cur, &tmp);
struct blkg_iostat_set *bis = &blkg->iostat;
struct blkg_iostat_set *bis;
blkg->iostat_cpu = alloc_percpu_gfp(struct blkg_iostat_set, gfp_mask);
static void __blkg_clear_stat(struct blkg_iostat_set *bis)
blkg_iostat_set(&bis->cur, &cur);
blkg_iostat_set(&bis->last, &cur);
struct blkg_iostat_set *s = per_cpu_ptr(blkg->iostat_cpu, cpu);
struct blkg_iostat_set __percpu *iostat_cpu;
struct blkg_iostat_set iostat;