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

Darrick J. Wong
2015-07-30T19:09:28Z

On Thu, Jul 30, 2015 at 10:35:17AM +1000, Dave Chinner wrote:
> 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.

OK, er, ok. :)

--D

>
> Cheers,
>
> Dave.
> --
> Dave Chinner
> david@fromorbit.com
>
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