Re: [PATCH 04/24] xfs: refcount btree add more reserved blocks

Dave Chinner
2015-07-30T00:35:42Z

On Wed, Jul 29, 2015 at 03:33:24PM -0700, Darrick J. Wong wrote:
> Since XFS reserves a small amount of space in each AG as the minimum
> free space needed for an operation, save some more space in case we
> touch the refcount btree.
>
> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
> ---
> fs/xfs/libxfs/xfs_alloc.c | 13 +++++++++++++
> fs/xfs/libxfs/xfs_format.h | 2 ++
> 2 files changed, 15 insertions(+)
>
>
> diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c
> index 40e8129..cb6b3d9 100644
> --- a/fs/xfs/libxfs/xfs_alloc.c
> +++ b/fs/xfs/libxfs/xfs_alloc.c
> @@ -50,10 +50,23 @@ STATIC int xfs_alloc_ag_vextent_size(xfs_alloc_arg_t *);
> STATIC int xfs_alloc_ag_vextent_small(xfs_alloc_arg_t *,
> xfs_btree_cur_t *, xfs_agblock_t *, xfs_extlen_t *, int *);
>
> +unsigned int
> +XFS_REFC_BLOCK(

No need to shout for functions.

Cheers,

Dave.
--
Dave Chinner
david@fromorbit.com