Re: [PATCH 08/19] xfs: also call xfs_file_iomap_end_delalloc for zeroing operations

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On Mon, Sep 09, 2019 at 08:27:11PM +0200, Christoph Hellwig wrote:
> There is no reason not to punch out stale delalloc blocks for zeroing
> operations, as they otherwise behave exactly like normal writes.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>

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

--D

> ---
>  fs/xfs/xfs_iomap.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
> index f1c3ff27c666..db4764c16142 100644
> --- a/fs/xfs/xfs_iomap.c
> +++ b/fs/xfs/xfs_iomap.c
> @@ -1138,7 +1138,8 @@ xfs_file_iomap_end(
>  	unsigned		flags,
>  	struct iomap		*iomap)
>  {
> -	if ((flags & IOMAP_WRITE) && iomap->type == IOMAP_DELALLOC)
> +	if ((flags & (IOMAP_WRITE | IOMAP_ZERO)) &&
> +	    iomap->type == IOMAP_DELALLOC)
>  		return xfs_file_iomap_end_delalloc(XFS_I(inode), offset,
>  				length, written, iomap);
>  	return 0;
> -- 
> 2.20.1
> 



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