memset(stat, 0, sizeof(struct disk_stats));
for_each_possible_cpu(cpu) {
- struct disk_stats *ptr = per_cpu_ptr(part->dkstats, cpu);
+ struct disk_stats *ptr = per_cpu_ptr(part->bdev->bd_stats, cpu);
int group;
for (group = 0; group < NR_STAT_GROUPS; group++) {
kobject_put(disk->slave_dir);
part_stat_set_all(&disk->part0, 0);
- disk->part0.stamp = 0;
+ disk->part0.bdev->bd_stamp = 0;
if (!sysfs_deprecated)
sysfs_remove_link(block_depr, dev_name(disk_to_dev(disk)));
pm_runtime_set_memalloc_noio(disk_to_dev(disk), false);
if (!disk->part0.bdev)
goto out_free_disk;
- disk->part0.dkstats = alloc_percpu(struct disk_stats);
- if (!disk->part0.dkstats)
- goto out_bdput;
-
disk->node_id = node_id;
if (disk_expand_part_tbl(disk, 0))
- goto out_free_bdstats;
+ goto out_bdput;
ptbl = rcu_dereference_protected(disk->part_tbl, 1);
rcu_assign_pointer(ptbl->part[0], &disk->part0);
if (hd_ref_init(&disk->part0))
- goto out_free_bdstats;
+ goto out_bdput;
disk->minors = minors;
rand_initialize_disk(disk);
device_initialize(disk_to_dev(disk));
return disk;
-out_free_bdstats:
- free_percpu(disk->part0.dkstats);
out_bdput:
bdput(disk->part0.bdev);
out_free_disk:
#define part_stat_unlock() preempt_enable()
#define part_stat_get_cpu(part, field, cpu) \
- (per_cpu_ptr((part)->dkstats, (cpu))->field)
+ (per_cpu_ptr((part)->bdev->bd_stats, (cpu))->field)
#define part_stat_get(part, field) \
part_stat_get_cpu(part, field, smp_processor_id())
#define part_stat_read(part, field) \
({ \
- typeof((part)->dkstats->field) res = 0; \
+ typeof((part)->bdev->bd_stats->field) res = 0; \
unsigned int _cpu; \
for_each_possible_cpu(_cpu) \
- res += per_cpu_ptr((part)->dkstats, _cpu)->field; \
+ res += per_cpu_ptr((part)->bdev->bd_stats, _cpu)->field; \
res; \
})
int i;
for_each_possible_cpu(i)
- memset(per_cpu_ptr(part->dkstats, i), value,
+ memset(per_cpu_ptr(part->bdev->bd_stats, i), value,
sizeof(struct disk_stats));
}
part_stat_read(part, field[STAT_DISCARD]))
#define __part_stat_add(part, field, addnd) \
- __this_cpu_add((part)->dkstats->field, addnd)
+ __this_cpu_add((part)->bdev->bd_stats->field, addnd)
#define part_stat_add(part, field, addnd) do { \
__part_stat_add((part), field, addnd); \
field, addnd); \
} while (0)
-#define part_stat_dec(gendiskp, field) \
- part_stat_add(gendiskp, field, -1)
-#define part_stat_inc(gendiskp, field) \
- part_stat_add(gendiskp, field, 1)
-#define part_stat_sub(gendiskp, field, subnd) \
- part_stat_add(gendiskp, field, -subnd)
+#define part_stat_dec(part, field) \
+ part_stat_add(part, field, -1)
+#define part_stat_inc(part, field) \
+ part_stat_add(part, field, 1)
+#define part_stat_sub(part, field, subnd) \
+ part_stat_add(part, field, -subnd)
-#define part_stat_local_dec(gendiskp, field) \
- local_dec(&(part_stat_get(gendiskp, field)))
-#define part_stat_local_inc(gendiskp, field) \
- local_inc(&(part_stat_get(gendiskp, field)))
-#define part_stat_local_read(gendiskp, field) \
- local_read(&(part_stat_get(gendiskp, field)))
-#define part_stat_local_read_cpu(gendiskp, field, cpu) \
- local_read(&(part_stat_get_cpu(gendiskp, field, cpu)))
+#define part_stat_local_dec(part, field) \
+ local_dec(&(part_stat_get(part, field)))
+#define part_stat_local_inc(part, field) \
+ local_inc(&(part_stat_get(part, field)))
+#define part_stat_local_read(part, field) \
+ local_read(&(part_stat_get(part, field)))
+#define part_stat_local_read_cpu(part, field, cpu) \
+ local_read(&(part_stat_get_cpu(part, field, cpu)))
#endif /* _LINUX_PART_STAT_H */