Re: [PATCH v3 13/20] xfsprogs/repair: account for finobt in ag 0 geometry pre-calculation

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On Wed, Apr 23, 2014 at 04:12:33PM +1000, Dave Chinner wrote:
> On Thu, Apr 10, 2014 at 12:11:03PM -0400, Brian Foster wrote:
> > Account for the finobt in calc_mkfs().
> > 
> > Signed-off-by: Brian Foster <bfoster@xxxxxxxxxx>
> > ---
> >  repair/xfs_repair.c | 2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git a/repair/xfs_repair.c b/repair/xfs_repair.c
> > index 08b25f0..356125b 100644
> > --- a/repair/xfs_repair.c
> > +++ b/repair/xfs_repair.c
> > @@ -407,6 +407,8 @@ calc_mkfs(xfs_mount_t *mp)
> >  	bcntbt_root = bnobt_root + 1;
> >  	inobt_root = bnobt_root + 2;
> >  	fino_bno = inobt_root + XFS_MIN_FREELIST_RAW(1, 1, mp) + 1;
> > +	if (xfs_sb_version_hasfinobt(&mp->m_sb))
> > +		fino_bno++;
> 
> The comment about this code needs updating, too.
> 

Oops, indeed. How about the following (also fixed the line length)?

	/*                                                                      
	 * Pre-calculate the geometry of ag 0. We know what it looks like
	 * because we know what mkfs does: 2 allocation btree roots (by block
	 * and by size), the inode allocation btree root, the free inode
	 * allocation btree root (if enabled) and some number of blocks to
	 * prefill the agfl.                                                    
	 */

Brian

> Cheers,
> 
> Dave.
> -- 
> Dave Chinner
> david@xxxxxxxxxxxxx

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