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-rw-r--r--block/blk-cgroup.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 79aa96240cec..031114d454a6 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -820,9 +820,9 @@ static void blkcg_fill_root_iostats(void)
class_dev_iter_init(&iter, &block_class, NULL, &disk_type);
while ((dev = class_dev_iter_next(&iter))) {
- struct gendisk *disk = dev_to_disk(dev);
- struct hd_struct *part = disk_get_part(disk, 0);
- struct blkcg_gq *blkg = blk_queue_root_blkg(disk->queue);
+ struct block_device *bdev = dev_to_bdev(dev);
+ struct blkcg_gq *blkg =
+ blk_queue_root_blkg(bdev->bd_disk->queue);
struct blkg_iostat tmp;
int cpu;
@@ -830,7 +830,7 @@ static void blkcg_fill_root_iostats(void)
for_each_possible_cpu(cpu) {
struct disk_stats *cpu_dkstats;
- cpu_dkstats = per_cpu_ptr(part->bdev->bd_stats, cpu);
+ cpu_dkstats = per_cpu_ptr(bdev->bd_stats, cpu);
tmp.ios[BLKG_IOSTAT_READ] +=
cpu_dkstats->ios[STAT_READ];
tmp.ios[BLKG_IOSTAT_WRITE] +=