redonkable/alistair23-linux
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md: use part_[begin|end]_io_acct instead of disk_[begin|end]_io_acct

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This enables proper statistics in /proc/diskstats for md partitions.

Signed-off-by: Song Liu <songliubraving@fb.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Song Liu 2020-08-31 15:27:24 -07:00 committed by Jens Axboe
parent 7b26410b05
commit 00fe60eae9
1 changed files with 4 additions and 4 deletions
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8
drivers/md/md.c
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@ -464,6 +464,7 @@ struct md_io {
bio_end_io_t *orig_bi_end_io;
void *orig_bi_private;
unsigned long start_time;
struct hd_struct *part;
};
static void md_end_io(struct bio *bio)
@ -471,7 +472,7 @@ static void md_end_io(struct bio *bio)
struct md_io *md_io = bio->bi_private;
struct mddev *mddev = md_io->mddev;
disk_end_io_acct(mddev->gendisk, bio_op(bio), md_io->start_time);
part_end_io_acct(md_io->part, bio, md_io->start_time);
bio->bi_end_io = md_io->orig_bi_end_io;
bio->bi_private = md_io->orig_bi_private;
@ -517,9 +518,8 @@ static blk_qc_t md_submit_bio(struct bio *bio)
bio->bi_end_io = md_end_io;
bio->bi_private = md_io;
md_io->start_time = disk_start_io_acct(mddev->gendisk,
bio_sectors(bio),
bio_op(bio));
md_io->start_time = part_start_io_acct(mddev->gendisk,
&md_io->part, bio);
}
/* bio could be mergeable after passing to underlayer */