-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
*
- * Copyright (C) 2002, 2003 Cluster File Systems, Inc.
- * Author: Andreas Dilger <adilger@clusterfs.com>
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * This file is part of Lustre, http://www.lustre.org.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * 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.
+ * This program 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 version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * 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
+ * version 2 along with this program; If not, see
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
- * 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.
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2014, Intel Corporation.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/obdclass/statfs_pack.c
*
* (Un)packing of OST/MDS requests
*
+ * Author: Andreas Dilger <adilger@clusterfs.com>
*/
#define DEBUG_SUBSYSTEM S_CLASS
-#define EXPORT_SYMTAB
-#ifndef __KERNEL__
-#include <liblustre.h>
-#endif
-
-#include <linux/version.h>
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
-#include <asm/statfs.h>
-#endif
-
-#include <linux/lustre_export.h>
-#include <linux/lustre_net.h>
-#include <linux/obd_support.h>
-#include <linux/obd_class.h>
+#include <linux/statfs.h>
+#include <lustre_export.h>
+#include <lustre_net.h>
+#include <obd_support.h>
+#include <obd_class.h>
-void obd_statfs_pack(struct obd_statfs *tgt, struct obd_statfs *src)
+void statfs_pack(struct obd_statfs *osfs, struct kstatfs *sfs)
{
- tgt->os_type = HTON__u64(src->os_type);
- tgt->os_blocks = HTON__u64(src->os_blocks);
- tgt->os_bfree = HTON__u64(src->os_bfree);
- tgt->os_bavail = HTON__u64(src->os_bavail);
- tgt->os_files = HTON__u64(src->os_files);
- tgt->os_ffree = HTON__u64(src->os_ffree);
- tgt->os_bsize = HTON__u32(src->os_bsize);
- tgt->os_namelen = HTON__u32(src->os_namelen);
-}
-
-void obd_statfs_unpack(struct obd_statfs *tgt, struct obd_statfs *src)
-{
- obd_statfs_pack(tgt, src);
-}
-
-void statfs_pack(struct obd_statfs *osfs, struct statfs *sfs)
-{
- osfs->os_type = sfs->f_type;
- osfs->os_blocks = sfs->f_blocks;
- osfs->os_bfree = sfs->f_bfree;
- osfs->os_bavail = sfs->f_bavail;
- osfs->os_files = sfs->f_files;
- osfs->os_ffree = sfs->f_ffree;
- osfs->os_bsize = sfs->f_bsize;
- osfs->os_namelen = sfs->f_namelen;
-}
-
-void statfs_unpack(struct statfs *sfs, struct obd_statfs *osfs)
-{
- sfs->f_type = osfs->os_type;
- sfs->f_blocks = osfs->os_blocks;
- sfs->f_bfree = osfs->os_bfree;
- sfs->f_bavail = osfs->os_bavail;
- sfs->f_files = osfs->os_files;
- sfs->f_ffree = osfs->os_ffree;
- sfs->f_bsize = osfs->os_bsize;
- sfs->f_namelen = osfs->os_namelen;
+ memset(osfs, 0, sizeof(*osfs));
+ osfs->os_type = sfs->f_type;
+ osfs->os_blocks = sfs->f_blocks;
+ osfs->os_bfree = sfs->f_bfree;
+ osfs->os_bavail = sfs->f_bavail;
+ osfs->os_files = sfs->f_files;
+ osfs->os_ffree = sfs->f_ffree;
+ osfs->os_bsize = sfs->f_bsize;
+ osfs->os_namelen = sfs->f_namelen;
}
+EXPORT_SYMBOL(statfs_pack);
-int obd_self_statfs(struct obd_device *obd, struct statfs *sfs)
+void statfs_unpack(struct kstatfs *sfs, struct obd_statfs *osfs)
{
- struct lustre_handle conn;
- struct obd_export *export, *my_export = NULL;
- struct obd_statfs osfs = { 0 };
- int rc;
- ENTRY;
-
- if (list_empty(&obd->obd_exports)) {
- export = my_export = class_new_export(obd);
- if (export == NULL)
- RETURN(-ENOMEM);
- } else
- export = list_entry(obd->obd_exports.next, typeof(*export),
- exp_obd_chain);
- conn.addr = (unsigned long)export;
- conn.cookie = export->exp_cookie;
-
- rc = obd_statfs(&conn, &osfs);
- if (!rc)
- statfs_unpack(sfs, &osfs);
-
- if (my_export)
- class_destroy_export(my_export);
- RETURN(rc);
+ memset(sfs, 0, sizeof(*sfs));
+ sfs->f_type = osfs->os_type;
+ sfs->f_blocks = osfs->os_blocks;
+ sfs->f_bfree = osfs->os_bfree;
+ sfs->f_bavail = osfs->os_bavail;
+ sfs->f_files = osfs->os_files;
+ sfs->f_ffree = osfs->os_ffree;
+ sfs->f_bsize = osfs->os_bsize;
+ sfs->f_namelen = osfs->os_namelen;
}
-
-EXPORT_SYMBOL(obd_statfs_pack);
-EXPORT_SYMBOL(obd_statfs_unpack);
-EXPORT_SYMBOL(statfs_pack);
EXPORT_SYMBOL(statfs_unpack);
-EXPORT_SYMBOL(obd_self_statfs);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff