Re: [PATCH 09/15] bcache: use bvec_virt

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On 8/4/21 5:56 PM, Christoph Hellwig wrote:
> Use bvec_virt instead of open coding it.  Note that the existing code is
> fine despite ignoring bv_offset as the bio is known to contain exactly
> one page from the page allocator per bio_vec.
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Looks good to me.

Reviewed-by: Coly Li <colyli@xxxxxxx>

Thanks.

Coly Li

> ---
>  drivers/md/bcache/btree.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
> index 183a58c89377..0595559de174 100644
> --- a/drivers/md/bcache/btree.c
> +++ b/drivers/md/bcache/btree.c
> @@ -378,7 +378,7 @@ static void do_btree_node_write(struct btree *b)
>  		struct bvec_iter_all iter_all;
>  
>  		bio_for_each_segment_all(bv, b->bio, iter_all) {
> -			memcpy(page_address(bv->bv_page), addr, PAGE_SIZE);
> +			memcpy(bvec_virt(bv), addr, PAGE_SIZE);
>  			addr += PAGE_SIZE;
>  		}
>  

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