[PATCH 18/18] xfs: enable sparse inode chunks for v5 superblocks

[Dave Chinner]

On Thu, Jul 24, 2014 at 10:23:08AM -0400, Brian Foster wrote:
> Enable the use and processing of sparse inode chunks.  Fix the
> xfs_sb_version_hassparseinodes() helper to allow the allocation of
> sparse chunks on v5 format superblocks. Add the incompat. feature bit to
> the *_ALL mask such that fs' with sparse chunks can be mounted.

Interesting way of allowing XFS_SB_FEAT_INCOMPAT_SPINODES to be
optional. :)

I didn't expect it to be used this way, hence my earlier comments
about chicken and egg feature bits. I still think I'd like this to
be explicit rather than just added when the format first changes...

Cheers,

Dave.
-- 
Dave Chinner
david at fromorbit.com