1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright 2008 Sun Microsystems, Inc. All rights reserved
30 * Use is subject to license terms.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 #define DEBUG_SUBSYSTEM S_CLASS
38 #include <linux/version.h>
39 #include <linux/vfs.h>
40 #include <obd_class.h>
41 #include <lprocfs_status.h>
45 static int mdc_rd_max_rpcs_in_flight(char *page, char **start, off_t off,
46 int count, int *eof, void *data)
48 struct obd_device *dev = data;
49 struct client_obd *cli = &dev->u.cli;
52 spin_lock(&cli->cl_loi_list_lock);
53 rc = snprintf(page, count, "%u\n", cli->cl_max_rpcs_in_flight);
54 spin_unlock(&cli->cl_loi_list_lock);
58 static int mdc_wr_max_rpcs_in_flight(struct file *file, const char *buffer,
59 unsigned long count, void *data)
61 struct obd_device *dev = data;
62 struct client_obd *cli = &dev->u.cli;
65 rc = lprocfs_write_helper(buffer, count, &val);
69 if (val < 1 || val > MDC_MAX_RIF_MAX)
72 spin_lock(&cli->cl_loi_list_lock);
73 cli->cl_max_rpcs_in_flight = val;
74 spin_unlock(&cli->cl_loi_list_lock);
78 static struct lprocfs_vars lprocfs_mdc_obd_vars[] = {
79 { "uuid", lprocfs_rd_uuid, 0, 0 },
80 { "ping", 0, lprocfs_wr_ping, 0, 0, 0222 },
81 { "connect_flags", lprocfs_rd_connect_flags, 0, 0 },
82 { "blocksize", lprocfs_rd_blksize, 0, 0 },
83 { "kbytestotal", lprocfs_rd_kbytestotal, 0, 0 },
84 { "kbytesfree", lprocfs_rd_kbytesfree, 0, 0 },
85 { "kbytesavail", lprocfs_rd_kbytesavail, 0, 0 },
86 { "filestotal", lprocfs_rd_filestotal, 0, 0 },
87 { "filesfree", lprocfs_rd_filesfree, 0, 0 },
88 /*{ "filegroups", lprocfs_rd_filegroups, 0, 0 },*/
89 { "mds_server_uuid", lprocfs_rd_server_uuid, 0, 0 },
90 { "mds_conn_uuid", lprocfs_rd_conn_uuid, 0, 0 },
91 { "max_rpcs_in_flight", mdc_rd_max_rpcs_in_flight,
92 mdc_wr_max_rpcs_in_flight, 0 },
93 { "timeouts", lprocfs_rd_timeouts, 0, 0 },
97 static struct lprocfs_vars lprocfs_mdc_module_vars[] = {
98 { "num_refs", lprocfs_rd_numrefs, 0, 0 },
102 void lprocfs_mdc_init_vars(struct lprocfs_static_vars *lvars)
104 lvars->module_vars = lprocfs_mdc_module_vars;
105 lvars->obd_vars = lprocfs_mdc_obd_vars;