/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2002 Cluster File Systems, Inc.
+ * 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_support.h>
-#include <linux/obd_class.h>
-#include <linux/lprocfs.h>
-#include <linux/string.h>
-#include <linux/lustre_lib.h>
-/* Required for 64 bit division */
-#include <asm/div64.h>
+#include <obd_class.h>
+#include <lprocfs_status.h>
+#include <linux/seq_file.h>
+#include "ost_internal.h"
-int rd_uuid(char* page, char **start, off_t off,
- int count, int *eof, void *data)
-{
-
- struct obd_device* temp=(struct obd_device*)data;
- int len=0;
- len+=snprintf(page, count, "%s\n", temp->obd_uuid);
- return len;
-
-
-}
-int rd_blksize(char* page, char **start, off_t off,
- int count, int *eof, void *data)
-{
-
- struct obd_device* temp=(struct obd_device*)data;
- struct ost_obd *ost=&temp->u.ost;
- struct lustre_handle *conn=&ost->ost_conn;
- struct obd_statfs mystats;
- int rc, len=0;
-
- rc = obd_statfs(conn, &mystats);
- if (rc) {
- CERROR("ost: statfs failed: rc %d\n", rc);
- return 0;
- }
- len+=snprintf(page, count, LPU64"\n", (__u64)(mystats.os_bsize));
- return len;
-
-}
-int rd_blktotal(char* page, char **start, off_t off,
- int count, int *eof, void *data)
-{
-
- struct obd_device* temp=(struct obd_device*)data;
- struct ost_obd *ost=&temp->u.ost;
- struct lustre_handle *conn=&ost->ost_conn;
- struct obd_statfs mystats;
- int rc, len=0;
-
- rc = obd_statfs(conn, &mystats);
- if (rc) {
- CERROR("ost: statfs failed: rc %d\n", rc);
- return 0;
- }
- len+=snprintf(page, count, LPU64"\n", (__u64)(mystats.os_blocks));
- return len;
-
-}
+#ifdef LPROCFS
+static struct lprocfs_vars lprocfs_obd_vars[] = {
+ { "uuid", lprocfs_rd_uuid, 0, 0 },
+ { 0 }
+};
-int rd_blkfree(char* page, char **start, off_t off,
- int count, int *eof, void *data)
-{
-
- struct obd_device* temp=(struct obd_device*)data;
- struct ost_obd *ost=&temp->u.ost;
- struct lustre_handle *conn=&ost->ost_conn;
- struct obd_statfs mystats;
- int rc, len=0;
-
- rc = obd_statfs(conn, &mystats);
- if (rc) {
- CERROR("ost: statfs failed: rc %d\n", rc);
- return 0;
- }
- len+=snprintf(page, count, LPU64"\n", (__u64)(mystats.os_bfree));
- return len;
-
-}
+static struct lprocfs_vars lprocfs_module_vars[] = {
+ { "num_refs", lprocfs_rd_numrefs, 0, 0 },
+ { 0 }
+};
-int rd_kbfree(char* page, char **start, off_t off,
- int count, int *eof, void *data)
+void
+ost_print_req(void *seq_file, struct ptlrpc_request *req)
{
-
- struct obd_device* temp=(struct obd_device*)data;
- struct ost_obd *ost=&temp->u.ost;
- struct lustre_handle *conn=&ost->ost_conn;
- struct obd_statfs mystats;
- int rc, len=0;
- __u32 blk_size;
- __u64 result;
- __u32 remainder;
-
- rc = obd_statfs(conn, &mystats);
- if (rc) {
- CERROR("ost: statfs failed: rc %d\n", rc);
- return 0;
- }
- blk_size=mystats.os_bsize;
- blk_size*=1024;
- result=mystats.os_bfree;
- remainder=do_div(result, blk_size);
+ /* 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;
- len+=snprintf(page, count, LPU64"\n", \
- result);
-
- return len;
-
-
-}
+ 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;
-int rd_numobjects(char* page, char **start, off_t off,
- int count, int *eof, void *data)
-{
-
- struct obd_device* temp=(struct obd_device*)data;
- struct ost_obd *ost=&temp->u.ost;
- struct lustre_handle *conn=&ost->ost_conn;
- struct obd_statfs mystats;
- int rc, len=0;
-
- rc = obd_statfs(conn, &mystats);
- if (rc) {
- CERROR("ost: statfs failed: rc %d\n", rc);
- return 0;
+ default:
+ LBUG();
}
- len+=snprintf(page, count, LPU64"\n", (__u64)(mystats.os_files));
- return len;
-
}
-int rd_objfree(char* page, char **start, off_t off,
- int count, int *eof, void *data)
-{
-
- struct obd_device* temp=(struct obd_device*)data;
- struct ost_obd *ost=&temp->u.ost;
- struct lustre_handle *conn=&ost->ost_conn;
- struct obd_statfs mystats;
- int rc, len=0;
-
- rc = obd_statfs(conn, &mystats);
- if (rc) {
- CERROR("ost: statfs failed: rc %d\n", rc);
- return 0;
- }
- len+=snprintf(page, count, LPU64"\n", (__u64)(mystats.os_ffree));
- return len;
-
-}
-
-int rd_objgroups(char* page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- return 0;
-}
-
-lprocfs_vars_t snmp_var_nm_1[]={
- {"snmp/uuid", rd_uuid, 0},
- {"snmp/f_blocksize",rd_blksize, 0},
- {"snmp/f_blockstotal",rd_blktotal, 0},
- {"snmp/f_blocksfree",rd_blkfree, 0},
- {"snmp/f_kbytesfree", rd_kbfree, 0},
- {"snmp/f_objects", rd_numobjects, 0},
- {"snmp/f_objectsfree", rd_objfree, 0},
- {"snmp/f_objectgroups", rd_objgroups, 0},
- {0}
-};
+LPROCFS_INIT_VARS(ost, lprocfs_module_vars, lprocfs_obd_vars)
+#endif /* LPROCFS */