Branch HEAD

[fs/lustre-release.git] / lustre / obdclass / statfs_pack.c

diff --git a/lustre/obdclass/statfs_pack.c b/lustre/obdclass/statfs_pack.c
index 1a5f6fa..8e20f85 100644 (file)
--- a/lustre/obdclass/statfs_pack.c
+++ b/lustre/obdclass/statfs_pack.c
@@ -4,20 +4,23 @@
  *  Copyright (C) 2002, 2003 Cluster File Systems, Inc.
  *   Author: Andreas Dilger <adilger@clusterfs.com>
  *
- *   This file is part of Lustre, http://www.lustre.org.
+ *   This file is part of the Lustre file system, http://www.lustre.org
+ *   Lustre is a trademark of Cluster File Systems, Inc.
  *
- *   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.
+ *   You may have signed or agreed to another license before downloading
+ *   this software.  If so, you are bound by the terms and conditions
+ *   of that agreement, and the following does not apply to you.  See the
+ *   LICENSE file included with this distribution for more information.
  *
- *   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.
+ *   If you did not agree to a different license, then this copy of Lustre
+ *   is open source 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.
  *
- *   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.
+ *   In either case, 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
+ *   license text for more details.
  *
  * (Un)packing of OST/MDS requests
  *
@@ -25,23 +28,21 @@
 
 #define DEBUG_SUBSYSTEM S_CLASS
 
-#define EXPORT_SYMTAB
+#ifndef EXPORT_SYMTAB
+# define EXPORT_SYMTAB
+#endif
 #ifndef __KERNEL__
 #include <liblustre.h>
-#else
-#include <linux/version.h>
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
-#include <asm/statfs.h>
-#endif
 #endif
 
-#include <linux/lustre_export.h>
-#include <linux/lustre_net.h>
-#include <linux/obd_support.h>
-#include <linux/obd_class.h>
+#include <lustre_export.h>
+#include <lustre_net.h>
+#include <obd_support.h>
+#include <obd_class.h>
 
-void statfs_pack(struct obd_statfs *osfs, struct statfs *sfs)
+void statfs_pack(struct obd_statfs *osfs, struct kstatfs *sfs)
 {
+        memset(osfs, 0, sizeof(*osfs));
         osfs->os_type = sfs->f_type;
         osfs->os_blocks = sfs->f_blocks;
         osfs->os_bfree = sfs->f_bfree;
@@ -52,8 +53,9 @@ void statfs_pack(struct obd_statfs *osfs, struct statfs *sfs)
         osfs->os_namelen = sfs->f_namelen;
 }
 
-void statfs_unpack(struct statfs *sfs, struct obd_statfs *osfs)
+void statfs_unpack(struct kstatfs *sfs, struct obd_statfs *osfs)
 {
+        memset(sfs, 0, sizeof(*sfs));
         sfs->f_type = osfs->os_type;
         sfs->f_blocks = osfs->os_blocks;
         sfs->f_bfree = osfs->os_bfree;
@@ -64,41 +66,5 @@ void statfs_unpack(struct statfs *sfs, struct obd_statfs *osfs)
         sfs->f_namelen = osfs->os_namelen;
 }
 
-int obd_self_statfs(struct obd_device *obd, struct statfs *sfs)
-{
-        struct lustre_handle conn;
-        struct obd_export *export, *my_export = NULL;
-        struct obd_statfs osfs = { 0 };
-        int rc;
-        ENTRY;
-
-        LASSERT( obd != NULL );
-
-        spin_lock(&obd->obd_dev_lock);
-        if (list_empty(&obd->obd_exports)) {
-                spin_unlock(&obd->obd_dev_lock);
-                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);
-                export = class_export_get(export);
-                spin_unlock(&obd->obd_dev_lock);
-        }
-        conn.cookie = export->exp_handle.h_cookie;
-
-        rc = obd_statfs(&conn, &osfs);
-        if (!rc)
-                statfs_unpack(sfs, &osfs);
-
-        if (my_export)
-                class_unlink_export(my_export);
-
-        class_export_put(export);
-        RETURN(rc);
-}
-
 EXPORT_SYMBOL(statfs_pack);
 EXPORT_SYMBOL(statfs_unpack);
-EXPORT_SYMBOL(obd_self_statfs);