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 <asm/statfs.h>
41 #include <obd_class.h>
42 #include <lprocfs_status.h>
43 #include "mgs_internal.h"
48 static int lprocfs_mgs_rd_mntdev(char *page, char **start, off_t off, int count,
51 struct obd_device* obd = (struct obd_device *)data;
54 LASSERT(obd->u.mgs.mgs_vfsmnt->mnt_devname);
57 return snprintf(page, count, "%s\n",obd->u.mgs.mgs_vfsmnt->mnt_devname);
60 static int mgs_fs_seq_show(struct seq_file *seq, void *v)
62 struct obd_device *obd = seq->private;
63 struct mgs_obd *mgs = &obd->u.mgs;
64 struct list_head dentry_list;
65 struct l_linux_dirent *dirent, *n;
70 rc = class_dentry_readdir(obd, mgs->mgs_configs_dir,
71 mgs->mgs_vfsmnt, &dentry_list);
73 CERROR("Can't read config dir\n");
76 list_for_each_entry_safe(dirent, n, &dentry_list, lld_list) {
77 list_del(&dirent->lld_list);
78 len = strlen(dirent->lld_name);
79 if ((len > 7) && (strncmp(dirent->lld_name + len - 7, "-client",
81 seq_printf(seq, "%.*s\n", len - 7, dirent->lld_name);
83 OBD_FREE(dirent, sizeof(*dirent));
89 LPROC_SEQ_FOPS_RO(mgs_fs);
91 int lproc_mgs_setup(struct obd_device *obd)
93 struct mgs_obd *mgs = &obd->u.mgs;
96 rc = lprocfs_obd_seq_create(obd, "filesystems", 0444,
98 mgs->mgs_proc_live = proc_mkdir("live", obd->obd_proc_entry);
99 obd->obd_proc_exports_entry = proc_mkdir("exports",
100 obd->obd_proc_entry);
105 int lproc_mgs_cleanup(struct obd_device *obd)
113 if (mgs->mgs_proc_live) {
114 /* Should be no live entries */
115 LASSERT(mgs->mgs_proc_live->subdir == NULL);
116 lprocfs_remove(&mgs->mgs_proc_live);
117 mgs->mgs_proc_live = NULL;
119 lprocfs_free_per_client_stats(obd);
120 lprocfs_free_obd_stats(obd);
122 return lprocfs_obd_cleanup(obd);
125 static int mgs_live_seq_show(struct seq_file *seq, void *v)
127 struct fs_db *fsdb = seq->private;
130 down(&fsdb->fsdb_sem);
132 seq_printf(seq, "fsname: %s\n", fsdb->fsdb_name);
133 seq_printf(seq, "flags: %#x gen: %d\n",
134 fsdb->fsdb_flags, fsdb->fsdb_gen);
135 for (i = 0; i < INDEX_MAP_SIZE * 8; i++)
136 if (test_bit(i, fsdb->fsdb_mdt_index_map))
137 seq_printf(seq, "%s-MDT%04x\n", fsdb->fsdb_name, i);
138 for (i = 0; i < INDEX_MAP_SIZE * 8; i++)
139 if (test_bit(i, fsdb->fsdb_ost_index_map))
140 seq_printf(seq, "%s-OST%04x\n", fsdb->fsdb_name, i);
146 LPROC_SEQ_FOPS_RO(mgs_live);
148 int lproc_mgs_add_live(struct obd_device *obd, struct fs_db *fsdb)
150 struct mgs_obd *mgs = &obd->u.mgs;
153 if (!mgs->mgs_proc_live)
155 rc = lprocfs_seq_create(mgs->mgs_proc_live, fsdb->fsdb_name, 0444,
156 &mgs_live_fops, fsdb);
161 int lproc_mgs_del_live(struct obd_device *obd, struct fs_db *fsdb)
163 struct mgs_obd *mgs = &obd->u.mgs;
165 if (!mgs->mgs_proc_live)
167 remove_proc_entry(fsdb->fsdb_name, mgs->mgs_proc_live);
171 struct lprocfs_vars lprocfs_mgs_obd_vars[] = {
172 { "uuid", lprocfs_rd_uuid, 0, 0 },
173 { "fstype", lprocfs_rd_fstype, 0, 0 },
174 { "mntdev", lprocfs_mgs_rd_mntdev, 0, 0 },
175 { "num_exports", lprocfs_rd_num_exports, 0, 0 },
176 { "hash_stats", lprocfs_obd_rd_hash, 0, 0 },
177 { "evict_client", 0, lprocfs_wr_evict_client, 0 },
181 struct lprocfs_vars lprocfs_mgs_module_vars[] = {
185 void mgs_counter_incr(struct obd_export *exp, int opcode)
187 lprocfs_counter_incr(exp->exp_obd->obd_stats, opcode);
188 lprocfs_counter_incr(exp->exp_ops_stats, opcode);
191 void mgs_stats_counter_init(struct lprocfs_stats *stats)
193 lprocfs_counter_init(stats, LPROC_MGS_CONNECT, 0, "connect", "reqs");
194 lprocfs_counter_init(stats, LPROC_MGS_DISCONNECT, 0, "disconnect",
196 lprocfs_counter_init(stats, LPROC_MGS_EXCEPTION, 0, "exception",
198 lprocfs_counter_init(stats, LPROC_MGS_TARGET_REG, 0, "tgtreg", "reqs");
199 lprocfs_counter_init(stats, LPROC_MGS_TARGET_DEL, 0, "tgtdel", "reqs");
202 void lprocfs_mgs_init_vars(struct lprocfs_static_vars *lvars)
204 lvars->module_vars = lprocfs_mgs_module_vars;
205 lvars->obd_vars = lprocfs_mgs_obd_vars;