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-rw-r--r--include/linux/genhd.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index c6c0c41af35..56b50514ab2 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -101,7 +101,7 @@ struct hd_struct {
unsigned long stamp;
int in_flight[2];
#ifdef CONFIG_SMP
- struct disk_stats *dkstats;
+ struct disk_stats __percpu *dkstats;
#else
struct disk_stats dkstats;
#endif
@@ -256,9 +256,9 @@ extern struct hd_struct *disk_map_sector_rcu(struct gendisk *disk,
#define part_stat_read(part, field) \
({ \
typeof((part)->dkstats->field) res = 0; \
- int i; \
- for_each_possible_cpu(i) \
- res += per_cpu_ptr((part)->dkstats, i)->field; \
+ unsigned int _cpu; \
+ for_each_possible_cpu(_cpu) \
+ res += per_cpu_ptr((part)->dkstats, _cpu)->field; \
res; \
})