Strip dead code from FSAL_GPFS

Signed-off-by: Frank S. Filz <ffilzlnx@mindspring.com>
PROBABLY SQUASH - Get rid of root_handle for FSAL_VFS and FSAL_XFS

Signed-off-by: Frank S. Filz <ffilzlnx@mindspring.com>
SQUASH fixup vfs_create_handle and lookup_path reporting

Signed-off-by: Frank S. Filz <ffilzlnx@mindspring.com>
MORE Add fsal_filesystem object and supporting commonlib code

Signed-off-by: Frank S. Filz <ffilzlnx@mindspring.com>
MORE Use fsal_filesystem in FSAL_VFS to implement multiple filesystems

Signed-off-by: Frank S. Filz <ffilzlnx@mindspring.com>
TEMP - FSAL_GPFS fsal_filesystem work

Signed-off-by: Frank S. Filz <ffilzlnx@mindspring.com>