Re: [PATCH 02/10] xfs: don't bring in extents in xfs_bmap_punch_delalloc_range

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On Mon, Sep 17, 2018 at 10:53:46PM +0200, Christoph Hellwig wrote:
> This function is only used to punch out delayed allocations on I/O
> failure, which means we need to have read the extents earlier.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>

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

--D

> ---
>  fs/xfs/xfs_bmap_util.c | 8 ++------
>  1 file changed, 2 insertions(+), 6 deletions(-)
> 
> diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
> index addbd74ecd8e..418e1e725f3a 100644
> --- a/fs/xfs/xfs_bmap_util.c
> +++ b/fs/xfs/xfs_bmap_util.c
> @@ -702,13 +702,9 @@ xfs_bmap_punch_delalloc_range(
>  	struct xfs_iext_cursor	icur;
>  	int			error = 0;
>  
> -	xfs_ilock(ip, XFS_ILOCK_EXCL);
> -	if (!(ifp->if_flags & XFS_IFEXTENTS)) {
> -		error = xfs_iread_extents(NULL, ip, XFS_DATA_FORK);
> -		if (error)
> -			goto out_unlock;
> -	}
> +	ASSERT(ifp->if_flags & XFS_IFEXTENTS);
>  
> +	xfs_ilock(ip, XFS_ILOCK_EXCL);
>  	if (!xfs_iext_lookup_extent_before(ip, ifp, &end_fsb, &icur, &got))
>  		goto out_unlock;
>  
> -- 
> 2.18.0
> 



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