Re: [PATCH 17/19] xfs: rename the whichfork variable in xfs_buffered_write_iomap_begin

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On Mon, Sep 09, 2019 at 08:27:20PM +0200, Christoph Hellwig wrote:
> Renaming whichfork to allocfork in xfs_buffered_write_iomap_begin makes
> the usage of this variable a little more clear.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Looks ok,
Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>

--D

> ---
>  fs/xfs/xfs_iomap.c | 22 +++++++++++-----------
>  1 file changed, 11 insertions(+), 11 deletions(-)
> 
> diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
> index 6dd143374d75..0e575ca1e3fc 100644
> --- a/fs/xfs/xfs_iomap.c
> +++ b/fs/xfs/xfs_iomap.c
> @@ -862,7 +862,7 @@ xfs_buffered_write_iomap_begin(
>  	struct xfs_iext_cursor	icur, ccur;
>  	xfs_fsblock_t		prealloc_blocks = 0;
>  	bool			eof = false, cow_eof = false, shared = false;
> -	int			whichfork = XFS_DATA_FORK;
> +	int			allocfork = XFS_DATA_FORK;
>  	int			error = 0;
>  
>  	/* we can't use delayed allocations when using extent size hints */
> @@ -959,7 +959,7 @@ xfs_buffered_write_iomap_begin(
>  		 * Fork all the shared blocks from our write offset until the
>  		 * end of the extent.
>  		 */
> -		whichfork = XFS_COW_FORK;
> +		allocfork = XFS_COW_FORK;
>  		end_fsb = imap.br_startoff + imap.br_blockcount;
>  	} else {
>  		/*
> @@ -975,7 +975,7 @@ xfs_buffered_write_iomap_begin(
>  		end_fsb = xfs_iomap_end_fsb(mp, offset, count);
>  
>  		if (xfs_is_always_cow_inode(ip))
> -			whichfork = XFS_COW_FORK;
> +			allocfork = XFS_COW_FORK;
>  	}
>  
>  	error = xfs_qm_dqattach_locked(ip, false);
> @@ -983,7 +983,7 @@ xfs_buffered_write_iomap_begin(
>  		goto out_unlock;
>  
>  	if (eof) {
> -		prealloc_blocks = xfs_iomap_prealloc_size(ip, whichfork, offset,
> +		prealloc_blocks = xfs_iomap_prealloc_size(ip, allocfork, offset,
>  				count, &icur);
>  		if (prealloc_blocks) {
>  			xfs_extlen_t	align;
> @@ -1006,11 +1006,11 @@ xfs_buffered_write_iomap_begin(
>  	}
>  
>  retry:
> -	error = xfs_bmapi_reserve_delalloc(ip, whichfork, offset_fsb,
> +	error = xfs_bmapi_reserve_delalloc(ip, allocfork, offset_fsb,
>  			end_fsb - offset_fsb, prealloc_blocks,
> -			whichfork == XFS_DATA_FORK ? &imap : &cmap,
> -			whichfork == XFS_DATA_FORK ? &icur : &ccur,
> -			whichfork == XFS_DATA_FORK ? eof : cow_eof);
> +			allocfork == XFS_DATA_FORK ? &imap : &cmap,
> +			allocfork == XFS_DATA_FORK ? &icur : &ccur,
> +			allocfork == XFS_DATA_FORK ? eof : cow_eof);
>  	switch (error) {
>  	case 0:
>  		break;
> @@ -1027,8 +1027,8 @@ xfs_buffered_write_iomap_begin(
>  		goto out_unlock;
>  	}
>  
> -	if (whichfork == XFS_COW_FORK) {
> -		trace_xfs_iomap_alloc(ip, offset, count, whichfork, &cmap);
> +	if (allocfork == XFS_COW_FORK) {
> +		trace_xfs_iomap_alloc(ip, offset, count, allocfork, &cmap);
>  		goto found_cow;
>  	}
>  
> @@ -1037,7 +1037,7 @@ xfs_buffered_write_iomap_begin(
>  	 * them out if the write happens to fail.
>  	 */
>  	xfs_iunlock(ip, XFS_ILOCK_EXCL);
> -	trace_xfs_iomap_alloc(ip, offset, count, whichfork, &imap);
> +	trace_xfs_iomap_alloc(ip, offset, count, allocfork, &imap);
>  	return xfs_bmbt_to_iomap(ip, iomap, &imap, IOMAP_F_NEW);
>  
>  found_imap:
> -- 
> 2.20.1
> 



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