nfsv41: remove unused Layouts class

Not used as the functionality is handles by implementations of
LayoutDriver interface.

Acked-by: Lea Morschel
Acked-by: Paul Millar
Acked-by: Albert Rossi
Target: master

core/src/main/java/org/dcache/nfs/v4/Layouts.java

-/*
- * Copyright (c) 2015 Deutsches Elektronen-Synchroton,
- * Member of the Helmholtz Association, (DESY), HAMBURG, GERMANY
- *
- * This library is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Library General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this program (see the file COPYING.LIB for more
- * details); if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-package org.dcache.nfs.v4;
-
-import org.dcache.nfs.v4.xdr.deviceid4;
-import org.dcache.nfs.v4.xdr.nfl_util4;
-import org.dcache.nfs.v4.xdr.nfs4_prot;
-import org.dcache.nfs.v4.xdr.nfs_fh4;
-import org.dcache.nfs.v4.xdr.nfsv4_1_file_layout4;
-import org.dcache.nfs.v4.xdr.offset4;
-import org.dcache.nfs.v4.xdr.uint32_t;
-
-/**
- * A class which provides static methods acting on or generating layouts
- * @since 0.11
- */
-public class Layouts {
-
-    private Layouts() {}
-
-    /**
-     * Create a new {@code nfsv4_1_file_layout4} for a given {@code deviceid},
-     * {@code sttripeSize} and {@code fileHandle}. The {@code fileHandle} will be
-     * used by all data servers.
-     * @param deviceid associated with this layout.
-     * @param stripeSize number of bytes client must
-     * @param fileHandle which must be used by client when talking to data servers.
-     * @return new layout
-     */
-    public static nfsv4_1_file_layout4 newNfsFileLayout(deviceid4 deviceid, int stripeSize, nfs_fh4 fileHandle) {
-        nfsv4_1_file_layout4 layout = new nfsv4_1_file_layout4();
-
-        layout.nfl_deviceid = deviceid;
-
-        /*
-         * The number of elements in nfl_fh_list MUST be one of three values:
-         *
-         *  Zero.  This means that filehandles used for each data
-         *  server are the same as the filehandle returned by the OPEN
-         *  operation from the metadata server.
-         *
-         *  One.  This means that every data server uses the same
-         *  filehandle: what is specified in nfl_fh_list[0].
-         *
-         *  The same number of elements in nflda_multipath_ds_list.
-         *  Thus, in this case, when sending an I/O operation to any
-         *  data server in nflda_multipath_ds_list[X], the filehandle
-         *  in nfl_fh_list[X] MUST be used.
-         */
-        layout.nfl_fh_list = new nfs_fh4[1];
-        layout.nfl_fh_list[0] = fileHandle;
-
-        layout.nfl_first_stripe_index = new uint32_t(0);
-        layout.nfl_util = new nfl_util4(stripeSize & nfs4_prot.NFL4_UFLG_STRIPE_UNIT_SIZE_MASK);
-
-        //where the striping pattern starts
-        layout.nfl_pattern_offset = new offset4(0);
-
-        return layout;
-    }
-}