tree 0ca05546c457d768ae50412583cddd70fb0e3c89
parent 3f165b334e51477d2b33ac1c81b39927514daab7
author Darrick J. Wong <darrick.wong@oracle.com> 1475511109 -0700
committer Darrick J. Wong <darrick.wong@oracle.com> 1475709991 -0700

xfs: set a default CoW extent size of 32 blocks

If the admin doesn't set a CoW extent size or a regular extent size
hint, default to creating CoW reservations 32 blocks long to reduce
fragmentation.

Signed-off-by: DarricK J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>