1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * Copyright (C) 2002 Cluster File Systems, Inc.
6 * This file is part of the Lustre file system, http://www.lustre.org
7 * Lustre is a trademark of Cluster File Systems, Inc.
9 * You may have signed or agreed to another license before downloading
10 * this software. If so, you are bound by the terms and conditions
11 * of that agreement, and the following does not apply to you. See the
12 * LICENSE file included with this distribution for more information.
14 * If you did not agree to a different license, then this copy of Lustre
15 * is open source software; you can redistribute it and/or modify it
16 * under the terms of version 2 of the GNU General Public License as
17 * published by the Free Software Foundation.
19 * In either case, Lustre is distributed in the hope that it will be
20 * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
21 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * license text for more details.
25 #define DEBUG_SUBSYSTEM S_CLASS
27 #include <linux/version.h>
28 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
29 #include <asm/statfs.h>
32 #include <obd_class.h>
33 #include <lprocfs_status.h>
34 #include "mgs_internal.h"
39 static int lprocfs_mgs_rd_mntdev(char *page, char **start, off_t off, int count,
42 struct obd_device* obd = (struct obd_device *)data;
45 LASSERT(obd->u.mgs.mgs_vfsmnt->mnt_devname);
48 return snprintf(page, count, "%s\n",obd->u.mgs.mgs_vfsmnt->mnt_devname);
51 static int mgs_fs_seq_show(struct seq_file *seq, void *v)
53 struct obd_device *obd = seq->private;
54 struct mgs_obd *mgs = &obd->u.mgs;
55 struct list_head dentry_list;
56 struct l_linux_dirent *dirent, *n;
61 rc = class_dentry_readdir(obd, mgs->mgs_configs_dir,
62 mgs->mgs_vfsmnt, &dentry_list);
64 CERROR("Can't read config dir\n");
67 list_for_each_entry_safe(dirent, n, &dentry_list, lld_list) {
68 list_del(&dirent->lld_list);
69 len = strlen(dirent->lld_name);
70 if ((len > 7) && (strncmp(dirent->lld_name + len - 7, "-client",
72 seq_printf(seq, "%.*s\n", len - 7, dirent->lld_name);
74 OBD_FREE(dirent, sizeof(*dirent));
80 LPROC_SEQ_FOPS_RO(mgs_fs);
82 int lproc_mgs_setup(struct obd_device *obd)
84 struct mgs_obd *mgs = &obd->u.mgs;
87 rc = lprocfs_obd_seq_create(obd, "filesystems", 0444,
89 mgs->mgs_proc_live = proc_mkdir("live", obd->obd_proc_entry);
94 static int mgs_live_seq_show(struct seq_file *seq, void *v)
96 struct fs_db *fsdb = seq->private;
99 down(&fsdb->fsdb_sem);
101 seq_printf(seq, "fsname: %s\n", fsdb->fsdb_name);
102 seq_printf(seq, "flags: %#x gen: %d\n",
103 fsdb->fsdb_flags, fsdb->fsdb_gen);
104 for (i = 0; i < INDEX_MAP_SIZE * 8; i++)
105 if (test_bit(i, fsdb->fsdb_mdt_index_map))
106 seq_printf(seq, "%s-MDT%04x\n", fsdb->fsdb_name, i);
107 for (i = 0; i < INDEX_MAP_SIZE * 8; i++)
108 if (test_bit(i, fsdb->fsdb_ost_index_map))
109 seq_printf(seq, "%s-OST%04x\n", fsdb->fsdb_name, i);
115 LPROC_SEQ_FOPS_RO(mgs_live);
117 int lproc_mgs_add_live(struct obd_device *obd, struct fs_db *fsdb)
119 struct mgs_obd *mgs = &obd->u.mgs;
122 if (!mgs->mgs_proc_live)
124 rc = lprocfs_seq_create(mgs->mgs_proc_live, fsdb->fsdb_name, 0444,
125 &mgs_live_fops, fsdb);
130 int lproc_mgs_del_live(struct obd_device *obd, struct fs_db *fsdb)
132 struct mgs_obd *mgs = &obd->u.mgs;
134 if (!mgs->mgs_proc_live)
136 remove_proc_entry(fsdb->fsdb_name, mgs->mgs_proc_live);
140 struct lprocfs_vars lprocfs_mgs_obd_vars[] = {
141 { "uuid", lprocfs_rd_uuid, 0, 0 },
142 { "fstype", lprocfs_rd_fstype, 0, 0 },
143 { "mntdev", lprocfs_mgs_rd_mntdev, 0, 0 },
144 { "num_exports", lprocfs_rd_num_exports, 0, 0 },
148 struct lprocfs_vars lprocfs_mgs_module_vars[] = {
152 LPROCFS_INIT_VARS(mgs, lprocfs_mgs_module_vars, lprocfs_mgs_obd_vars);