Re: [PATCH] Btrfs: cleanup submit_one_bio

[Liu Bo <bo.li.liu@oracle.com>]

On Mon, Apr 03, 2017 at 01:45:47PM -0700, Liu Bo wrote:
> @bio_offset is passed into submit_bio_hook and is used at
> btrfs_wq_submit_bio(), but only dio code makes use of @bio_offset, so
> remove other dead code.
>

Please ignore this one.

Thanks,

-liubo
> Cc: David Sterba <dsterba@suse.cz>
> Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
> ---
>  fs/btrfs/extent_io.c | 7 +------
>  1 file changed, 1 insertion(+), 6 deletions(-)
> 
> diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
> index 7b5139d..79f38e6a 100644
> --- a/fs/btrfs/extent_io.c
> +++ b/fs/btrfs/extent_io.c
> @@ -2746,19 +2746,14 @@ static int __must_check submit_one_bio(struct bio *bio, int mirror_num,
>  				       unsigned long bio_flags)
>  {
>  	int ret = 0;
> -	struct bio_vec *bvec = bio->bi_io_vec + bio->bi_vcnt - 1;
> -	struct page *page = bvec->bv_page;
>  	struct extent_io_tree *tree = bio->bi_private;
> -	u64 start;
> -
> -	start = page_offset(page) + bvec->bv_offset;
>  
>  	bio->bi_private = NULL;
>  	bio_get(bio);
>  
>  	if (tree->ops)
>  		ret = tree->ops->submit_bio_hook(page->mapping->host, bio,
> -					   mirror_num, bio_flags, start);
> +					   mirror_num, bio_flags, 0);
>  	else
>  		btrfsic_submit_bio(bio);
>  
> -- 
> 2.5.5
> 
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