diff options
Diffstat (limited to 'block/blk-cgroup.c')
| -rw-r--r-- | block/blk-cgroup.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 650f7e27989f..fa063c6c0338 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -23,15 +23,14 @@ #include <linux/blkdev.h> #include <linux/backing-dev.h> #include <linux/slab.h> -#include <linux/genhd.h> #include <linux/delay.h> #include <linux/atomic.h> #include <linux/ctype.h> -#include <linux/blk-cgroup.h> #include <linux/tracehook.h> #include <linux/psi.h> #include <linux/part_stat.h> #include "blk.h" +#include "blk-cgroup.h" #include "blk-ioprio.h" #include "blk-throttle.h" @@ -857,11 +856,11 @@ static void blkcg_fill_root_iostats(void) blk_queue_root_blkg(bdev_get_queue(bdev)); struct blkg_iostat tmp; int cpu; + unsigned long flags; memset(&tmp, 0, sizeof(tmp)); for_each_possible_cpu(cpu) { struct disk_stats *cpu_dkstats; - unsigned long flags; cpu_dkstats = per_cpu_ptr(bdev->bd_stats, cpu); tmp.ios[BLKG_IOSTAT_READ] += @@ -877,11 +876,11 @@ static void blkcg_fill_root_iostats(void) cpu_dkstats->sectors[STAT_WRITE] << 9; tmp.bytes[BLKG_IOSTAT_DISCARD] += cpu_dkstats->sectors[STAT_DISCARD] << 9; - - flags = u64_stats_update_begin_irqsave(&blkg->iostat.sync); - blkg_iostat_set(&blkg->iostat.cur, &tmp); - u64_stats_update_end_irqrestore(&blkg->iostat.sync, flags); } + + flags = u64_stats_update_begin_irqsave(&blkg->iostat.sync); + blkg_iostat_set(&blkg->iostat.cur, &tmp); + u64_stats_update_end_irqrestore(&blkg->iostat.sync, flags); } } @@ -1176,6 +1175,8 @@ int blkcg_init_queue(struct request_queue *q) bool preloaded; int ret; + INIT_LIST_HEAD(&q->blkg_list); + new_blkg = blkg_alloc(&blkcg_root, q, GFP_KERNEL); if (!new_blkg) return -ENOMEM; |