From 15e3d2c5cd53298272e59ad9072d3468f9dd3781 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Tue, 24 Nov 2020 09:34:00 +0100 Subject: block: move disk stat accounting to struct block_device Move the dkstats and stamp field to struct block_device in preparation of killing struct hd_struct. Signed-off-by: Christoph Hellwig Reviewed-by: Jan Kara Reviewed-by: Hannes Reinecke Signed-off-by: Jens Axboe --- block/blk-core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'block/blk-core.c') diff --git a/block/blk-core.c b/block/blk-core.c index 988f45094a38..d2c9cb24e087 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1264,9 +1264,9 @@ static void update_io_ticks(struct hd_struct *part, unsigned long now, bool end) { unsigned long stamp; again: - stamp = READ_ONCE(part->stamp); + stamp = READ_ONCE(part->bdev->bd_stamp); if (unlikely(stamp != now)) { - if (likely(cmpxchg(&part->stamp, stamp, now) == stamp)) + if (likely(cmpxchg(&part->bdev->bd_stamp, stamp, now) == stamp)) __part_stat_add(part, io_ticks, end ? now - stamp : 1); } if (part->partno) { -- cgit v1.2.3