Branch HEAD

[fs/lustre-release.git] / lustre / ost / lproc_ost.c

diff --git a/lustre/ost/lproc_ost.c b/lustre/ost/lproc_ost.c
index 936706d..38f9518 100644 (file)
--- a/lustre/ost/lproc_ost.c
+++ b/lustre/ost/lproc_ost.c
@@ -3,31 +3,33 @@
  *
  *  Copyright (C) 2002, 2003 Cluster File Systems, Inc.
  *
- *   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.
  *
  */
 #define DEBUG_SUBSYSTEM S_OST
 
-#include <linux/obd_class.h>
-#include <linux/lprocfs_status.h>
+#include <obd_class.h>
+#include <lprocfs_status.h>
+#include <linux/seq_file.h>
+#include "ost_internal.h"
 
-#ifndef LPROCFS
-static struct lprocfs_vars lprocfs_obd_vars[]  = { {0} };
-static struct lprocfs_vars lprocfs_module_vars[] = { {0} };
-#else
+#ifdef LPROCFS
 static struct lprocfs_vars lprocfs_obd_vars[] = {
         { "uuid",            lprocfs_rd_uuid,   0, 0 },
         { 0 }
@@ -38,5 +40,39 @@ static struct lprocfs_vars lprocfs_module_vars[] = {
         { 0 }
 };
 
-#endif /* LPROCFS */
+void
+ost_print_req(void *seq_file, struct ptlrpc_request *req)
+{
+        /* Called holding srv_lock with irqs disabled.
+         * Print specific req contents and a newline.
+         * CAVEAT EMPTOR: check request message length before printing!!!
+         * You might have received any old crap so you must be just as
+         * careful here as the service's request parser!!! */
+        struct seq_file *sf = seq_file;
+
+        switch (req->rq_phase) {
+        case RQ_PHASE_NEW:
+                /* still awaiting a service thread's attention, or rejected
+                 * because the generic request message didn't unpack */
+                seq_printf(sf, "<not swabbed>\n");
+                break;
+                
+        case RQ_PHASE_INTERPRET:
+                /* being handled, so basic msg swabbed, and opc is valid
+                 * but racing with ost_handle() */
+                seq_printf(sf, "opc %d\n", lustre_msg_get_opc(req->rq_reqmsg));
+                break;
+                
+        case RQ_PHASE_COMPLETE:
+                /* been handled by ost_handle() reply state possibly still
+                 * volatile */
+                seq_printf(sf, "opc %d\n", lustre_msg_get_opc(req->rq_reqmsg));
+                break;
+
+        default:
+                LBUG();
+        }
+}
+
 LPROCFS_INIT_VARS(ost, lprocfs_module_vars, lprocfs_obd_vars)
+#endif /* LPROCFS */