On Mon, 2018-02-26 at 20:04 +0800, Jiufei Xue wrote:
> The vm counters is counted in sectors, so we should do the conversation
> in submit_bio.
>
> Fixes: 74d46992e0d9 ("block: replace bi_bdev with a gendisk pointer and
> partitions index")
>
> Signed-off-by: Jiufei Xue <jiufei.xue@xxxxxxxxxxxxxxxxx>
> ---
> block/blk-core.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/block/blk-core.c b/block/blk-core.c
> index 2d1a7bb..6d82c4f 100644
> --- a/block/blk-core.c
> +++ b/block/blk-core.c
> @@ -2434,7 +2434,7 @@ blk_qc_t submit_bio(struct bio *bio)
> unsigned int count;
>
> if (unlikely(bio_op(bio) == REQ_OP_WRITE_SAME))
> - count = queue_logical_block_size(bio->bi_disk->queue);
> + count = queue_logical_block_size(bio->bi_disk->queue) >> 9;
> else
> count = bio_sectors(bio);
Since this is a fix for a kernel v4.14 change, please add a
"Cc: stable@xxxxxxxxxxxxxxx" tag.
Thanks,
Bart.
