*
* Copyright (C) 2002 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_CLASS
#include <linux/version.h>
#include <linux/vfs.h>
-#include <linux/obd_class.h>
-#include <linux/lprocfs_status.h>
-
-#ifndef LPROCFS
-static struct lprocfs_vars lprocfs_obd_vars[] = { {0} };
-static struct lprocfs_vars lprocfs_module_vars[] = { {0} };
-#else
-static struct lprocfs_vars lprocfs_obd_vars[] = {
+#include <obd_class.h>
+#include <lprocfs_status.h>
+
+#ifdef LPROCFS
+
+static int mdc_rd_max_rpcs_in_flight(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *dev = data;
+ struct client_obd *cli = &dev->u.cli;
+ int rc;
+
+ spin_lock(&cli->cl_loi_list_lock);
+ rc = snprintf(page, count, "%u\n", cli->cl_max_rpcs_in_flight);
+ spin_unlock(&cli->cl_loi_list_lock);
+ return rc;
+}
+
+static int mdc_wr_max_rpcs_in_flight(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *dev = data;
+ struct client_obd *cli = &dev->u.cli;
+ int val, rc;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ if (val < 1 || val > MDC_MAX_RIF_MAX)
+ return -ERANGE;
+
+ spin_lock(&cli->cl_loi_list_lock);
+ cli->cl_max_rpcs_in_flight = val;
+ spin_unlock(&cli->cl_loi_list_lock);
+
+ return count;
+}
+static struct lprocfs_vars lprocfs_mdc_obd_vars[] = {
{ "uuid", lprocfs_rd_uuid, 0, 0 },
+ { "ping", 0, lprocfs_wr_ping, 0 },
+ { "connect_flags", lprocfs_rd_connect_flags, 0, 0 },
{ "blocksize", lprocfs_rd_blksize, 0, 0 },
{ "kbytestotal", lprocfs_rd_kbytestotal, 0, 0 },
{ "kbytesfree", lprocfs_rd_kbytesfree, 0, 0 },
+ { "kbytesavail", lprocfs_rd_kbytesavail, 0, 0 },
{ "filestotal", lprocfs_rd_filestotal, 0, 0 },
{ "filesfree", lprocfs_rd_filesfree, 0, 0 },
//{ "filegroups", lprocfs_rd_filegroups, 0, 0 },
{ "mds_server_uuid", lprocfs_rd_server_uuid, 0, 0 },
{ "mds_conn_uuid", lprocfs_rd_conn_uuid, 0, 0 },
+ { "max_rpcs_in_flight", mdc_rd_max_rpcs_in_flight,
+ mdc_wr_max_rpcs_in_flight, 0 },
{ 0 }
};
-static struct lprocfs_vars lprocfs_module_vars[] = {
+static struct lprocfs_vars lprocfs_mdc_module_vars[] = {
{ "num_refs", lprocfs_rd_numrefs, 0, 0 },
{ 0 }
};
+void lprocfs_mdc_init_vars(struct lprocfs_static_vars *lvars)
+{
+ lvars->module_vars = lprocfs_mdc_module_vars;
+ lvars->obd_vars = lprocfs_mdc_obd_vars;
+}
#endif /* LPROCFS */
-LPROCFS_INIT_VARS(mdc, lprocfs_module_vars, lprocfs_obd_vars)