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
>
