Re: [PATCH v3 5/5] dm-crypt: Fix lost ioprio when queuing write bios

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On Mon, 11 Dec 2023, Hongyu Jin wrote:
> From: Hongyu Jin <hongyu.jin@xxxxxxxxxx>
> 
> The original submitting bio->bi_ioprio setting can be retained by
> struct dm_crypt_io::base_bio, we set the original bio's ioprio to
> the cloned bio for write.
> 
> Signed-off-by: Hongyu Jin <hongyu.jin@xxxxxxxxxx>

Thanks, 

Reviewed-by: Eric Wheeler <dm-crypt@xxxxxxxxxxxxxxxxxx>

> ---
>  drivers/md/dm-crypt.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
> index 6de107aff331..b67fec865f00 100644
> --- a/drivers/md/dm-crypt.c
> +++ b/drivers/md/dm-crypt.c
> @@ -1683,6 +1683,7 @@ static struct bio *crypt_alloc_buffer(struct dm_crypt_io *io, unsigned int size)
>  				 GFP_NOIO, &cc->bs);
>  	clone->bi_private = io;
>  	clone->bi_end_io = crypt_endio;
> +	clone->bi_ioprio = bio_prio(io->base_bio);
>  
>  	remaining_size = size;
>  
> -- 
> 2.34.1
> 
> 
> 




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