xfs_restore: refactor open-coded file creation code

Create a helper to unlink, recreate, and reserve space in a file so that
we don't have two open-coded versions.  We lose the broken ALLOCSP code
since it never worked anyway.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>

3 files changed