Add ll_pack to the head.

diff --git a/lustre/lib/ll_pack.c b/lustre/lib/ll_pack.c
new file mode 100644 (file)
index 0000000..44152f2
--- /dev/null
+++ b/lustre/lib/ll_pack.c
@@ -0,0 +1,59 @@
+/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=8:tabstop=8:
+ *
+ *  Copyright (C) 2002 Cluster File Systems, Inc. <adilger@clusterfs.com>
+ *
+ *   This file is part of Lustre, http://www.lustre.org.
+ *
+ *   Lustre is free software; you can redistribute it and/or
+ *   modify it under the terms of version 2 of the GNU General Public
+ *   License as published by the Free Software Foundation.
+ *
+ *   Lustre 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 General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with Lustre; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * (Un)packing of OST/MDS requests
+ *
+ */
+
+#define DEBUG_SUBSYSTEM S_LLITE
+
+#include <linux/lustre_net.h>
+#include <linux/obd_support.h>
+
+void obd_statfs_pack(struct obd_statfs *osfs, struct statfs *sfs)
+{
+        if (osfs == NULL || sfs == NULL)
+                LBUG();
+
+        osfs->os_type = HTON__u64(sfs->f_type);
+        osfs->os_blocks = HTON__u64(sfs->f_blocks);
+        osfs->os_bfree = HTON__u64(sfs->f_bfree);
+        osfs->os_bavail = HTON__u64(sfs->f_bavail);
+        osfs->os_files = HTON__u64(sfs->f_files);
+        osfs->os_ffree = HTON__u64(sfs->f_ffree);
+        osfs->os_bsize = HTON__u32(sfs->f_bsize);
+        osfs->os_namelen = HTON__u32(sfs->f_namelen);
+}
+
+void obd_statfs_unpack(struct obd_statfs *osfs, struct statfs *sfs)
+{
+        if (osfs == NULL || sfs == NULL)
+                LBUG();
+
+        sfs->f_type = NTOH__u64(osfs->os_type);
+        sfs->f_blocks = NTOH__u64(osfs->os_blocks);
+        sfs->f_bfree = NTOH__u64(osfs->os_bfree);
+        sfs->f_bavail = NTOH__u64(osfs->os_bavail);
+        sfs->f_files = NTOH__u64(osfs->os_files);
+        sfs->f_ffree = NTOH__u64(osfs->os_ffree);
+        sfs->f_bsize = NTOH__u32(osfs->os_bsize);
+        sfs->f_namelen = NTOH__u32(osfs->os_namelen);
+}
+