Re: [PATCH 06/11] xfs: remove the size and nbytes variables in xfs_buf_alloc_pages

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On Wed, May 19, 2021 at 09:08:55PM +0200, Christoph Hellwig wrote:
> These variables are not used for anything but recursively updating each
> other.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
>  fs/xfs/xfs_buf.c | 5 -----
>  1 file changed, 5 deletions(-)
> 
> diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
> index 76240d84d58b61..08c8667e6027fc 100644
> --- a/fs/xfs/xfs_buf.c
> +++ b/fs/xfs/xfs_buf.c
> @@ -383,8 +383,6 @@ xfs_buf_alloc_pages(
>  	struct xfs_buf		*bp,
>  	uint			flags)
>  {
> -	size_t			size;
> -	size_t			nbytes;
>  	gfp_t			gfp_mask = xb_to_gfp(flags);
>  	unsigned short		page_count, i;
>  	xfs_off_t		start, end;
> @@ -396,7 +394,6 @@ xfs_buf_alloc_pages(
>  	if (!(flags & XBF_READ))
>  		gfp_mask |= __GFP_ZERO;
>  
> -	size = BBTOB(bp->b_length);
>  	start = BBTOB(bp->b_maps[0].bm_bn) >> PAGE_SHIFT;
>  	end = (BBTOB(bp->b_maps[0].bm_bn + bp->b_length) + PAGE_SIZE - 1)
>  								>> PAGE_SHIFT;
> @@ -436,8 +433,6 @@ xfs_buf_alloc_pages(
>  			goto retry;
>  		}
>  
> -		nbytes = min_t(size_t, size, PAGE_SIZE);
> -		size -= nbytes;
>  		bp->b_pages[i] = page;
>  	}
>  	return 0;

These have already gone away with the bulk allocation patch. I think
you should rebase this series on top of that...

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx



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