4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
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13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
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18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
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21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
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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 <lustre_param.h>
44 #include "mgs_internal.h"
48 static int mgs_fs_seq_show(struct seq_file *seq, void *v)
50 struct obd_device *obd = seq->private;
51 struct mgs_device *mgs;
52 struct list_head list;
53 struct mgs_direntry *dirent, *n;
60 LASSERT(obd->obd_lu_dev != NULL);
61 mgs = lu2mgs_dev(obd->obd_lu_dev);
63 rc = lu_env_init(&env, LCT_MG_THREAD);
67 rc = class_dentry_readdir(&env, mgs, &list);
71 list_for_each_entry_safe(dirent, n, &list, mde_list) {
72 list_del_init(&dirent->mde_list);
73 len = strlen(dirent->mde_name);
75 strncmp(dirent->mde_name + len - 7, "-client", len) == 0)
76 seq_printf(seq, "%.*s\n", len - 7, dirent->mde_name);
77 mgs_direntry_free(dirent);
85 LPROC_SEQ_FOPS_RO(mgs_fs);
87 static void seq_show_srpc_rules(struct seq_file *seq, const char *tgtname,
88 struct sptlrpc_rule_set *rset)
90 struct sptlrpc_rule *r;
96 for (i = 0; i < rset->srs_nrule; i++) {
97 r = &rset->srs_rules[i];
99 if (r->sr_netid == LNET_NIDNET(LNET_NID_ANY))
102 net = libcfs_net2str(r->sr_netid);
104 if (r->sr_from == LUSTRE_SP_ANY && r->sr_to == LUSTRE_SP_ANY)
107 snprintf(dirbuf, sizeof(dirbuf), ".%s2%s",
108 sptlrpc_part2name(r->sr_from),
109 sptlrpc_part2name(r->sr_to));
111 sptlrpc_flavor2name(&r->sr_flvr, flvrbuf, sizeof(flvrbuf));
112 seq_printf(seq, "%s.srpc.flavor.%s%s=%s\n", tgtname,
113 net, dirbuf, flvrbuf);
117 static int mgsself_srpc_seq_show(struct seq_file *seq, void *v)
119 struct obd_device *obd = seq->private;
120 struct mgs_device *mgs = lu2mgs_dev(obd->obd_lu_dev);
121 struct lu_target *tgt = &mgs->mgs_lut;
123 read_lock(&tgt->lut_sptlrpc_lock);
124 seq_show_srpc_rules(seq, MGSSELF_NAME, &tgt->lut_sptlrpc_rset);
125 read_unlock(&tgt->lut_sptlrpc_lock);
129 LPROC_SEQ_FOPS_RO(mgsself_srpc);
131 static int mgs_live_seq_show(struct seq_file *seq, void *v)
133 struct fs_db *fsdb = seq->private;
134 struct mgs_tgt_srpc_conf *srpc_tgt;
137 mutex_lock(&fsdb->fsdb_mutex);
139 seq_printf(seq, "fsname: %s\n", fsdb->fsdb_name);
140 seq_printf(seq, "flags: %#lx gen: %d\n",
141 fsdb->fsdb_flags, fsdb->fsdb_gen);
142 for (i = 0; i < INDEX_MAP_SIZE * 8; i++)
143 if (test_bit(i, fsdb->fsdb_mdt_index_map))
144 seq_printf(seq, "%s-MDT%04x\n", fsdb->fsdb_name, i);
145 for (i = 0; i < INDEX_MAP_SIZE * 8; i++)
146 if (test_bit(i, fsdb->fsdb_ost_index_map))
147 seq_printf(seq, "%s-OST%04x\n", fsdb->fsdb_name, i);
149 seq_printf(seq, "\nSecure RPC Config Rules:\n");
151 seq_printf(seq, "%s.%s=%s\n", fsdb->fsdb_name,
152 PARAM_SRPC_UDESC, fsdb->fsdb_srpc_fl_udesc ? "yes" : "no");
154 for (srpc_tgt = fsdb->fsdb_srpc_tgt; srpc_tgt;
155 srpc_tgt = srpc_tgt->mtsc_next) {
156 seq_show_srpc_rules(seq, srpc_tgt->mtsc_tgt,
157 &srpc_tgt->mtsc_rset);
159 seq_show_srpc_rules(seq, fsdb->fsdb_name, &fsdb->fsdb_srpc_gen);
161 lprocfs_rd_ir_state(seq, fsdb);
163 mutex_unlock(&fsdb->fsdb_mutex);
167 static ssize_t mgs_live_seq_write(struct file *file, const char *buf,
168 size_t len, loff_t *off)
170 struct seq_file *seq = file->private_data;
171 struct fs_db *fsdb = seq->private;
174 rc = lprocfs_wr_ir_state(file, buf, len, fsdb);
179 LPROC_SEQ_FOPS(mgs_live);
181 int lproc_mgs_add_live(struct mgs_device *mgs, struct fs_db *fsdb)
185 if (!mgs->mgs_proc_live)
187 rc = lprocfs_seq_create(mgs->mgs_proc_live, fsdb->fsdb_name, 0644,
188 &mgs_live_fops, fsdb);
193 int lproc_mgs_del_live(struct mgs_device *mgs, struct fs_db *fsdb)
195 if (!mgs->mgs_proc_live)
198 /* didn't create the proc file for MGSSELF_NAME */
199 if (!test_bit(FSDB_MGS_SELF, &fsdb->fsdb_flags))
200 lprocfs_remove_proc_entry(fsdb->fsdb_name, mgs->mgs_proc_live);
204 LPROC_SEQ_FOPS_RO_TYPE(mgs, uuid);
205 LPROC_SEQ_FOPS_RO_TYPE(mgs, num_exports);
206 LPROC_SEQ_FOPS_RO_TYPE(mgs, hash);
207 LPROC_SEQ_FOPS_WO_TYPE(mgs, evict_client);
208 LPROC_SEQ_FOPS_RW_TYPE(mgs, ir_timeout);
210 struct lprocfs_seq_vars lprocfs_mgs_obd_vars[] = {
212 .fops = &mgs_uuid_fops },
213 { .name = "num_exports",
214 .fops = &mgs_num_exports_fops },
215 { .name = "hash_stats",
216 .fops = &mgs_hash_fops },
217 { .name = "evict_client",
218 .fops = &mgs_evict_client_fops },
219 { .name = "ir_timeout",
220 .fops = &mgs_ir_timeout_fops },
224 int lproc_mgs_setup(struct mgs_device *mgs, const char *osd_name)
226 struct obd_device *obd = mgs->mgs_obd;
227 struct obd_device *osd_obd = mgs->mgs_bottom->dd_lu_dev.ld_obd;
228 int osd_len = strlen(osd_name) - strlen("-osd");
231 obd->obd_vars = lprocfs_mgs_obd_vars;
232 rc = lprocfs_obd_setup(obd);
236 rc = lprocfs_obd_seq_create(obd, "filesystems", 0444,
241 rc = lprocfs_obd_seq_create(obd, "srpc_rules", 0400,
242 &mgsself_srpc_fops, obd);
246 mgs->mgs_proc_live = lprocfs_seq_register("live", obd->obd_proc_entry,
248 if (IS_ERR(mgs->mgs_proc_live)) {
249 rc = PTR_ERR(mgs->mgs_proc_live);
250 mgs->mgs_proc_live = NULL;
254 obd->obd_proc_exports_entry = lprocfs_seq_register("exports",
257 if (IS_ERR(obd->obd_proc_exports_entry)) {
258 rc = PTR_ERR(obd->obd_proc_exports_entry);
259 obd->obd_proc_exports_entry = NULL;
263 mgs->mgs_proc_osd = lprocfs_add_symlink("osd",
266 osd_obd->obd_type->typ_name,
267 osd_len, /* Strip "-osd". */
269 if (mgs->mgs_proc_osd == NULL)
270 GOTO(out, rc = -ENOMEM);
272 mgs->mgs_proc_mntdev = lprocfs_add_symlink("mntdev",
275 if (mgs->mgs_proc_mntdev == NULL)
276 GOTO(out, rc = -ENOMEM);
278 mgs->mgs_proc_fstype = lprocfs_add_symlink("fstype",
281 if (mgs->mgs_proc_fstype == NULL)
282 GOTO(out, rc = -ENOMEM);
286 lproc_mgs_cleanup(mgs);
291 void lproc_mgs_cleanup(struct mgs_device *mgs)
293 struct obd_device *obd = mgs->mgs_obd;
298 if (mgs->mgs_proc_osd != NULL)
299 lprocfs_remove(&mgs->mgs_proc_osd);
301 if (mgs->mgs_proc_fstype != NULL)
302 lprocfs_remove(&mgs->mgs_proc_fstype);
304 if (mgs->mgs_proc_mntdev != NULL)
305 lprocfs_remove(&mgs->mgs_proc_mntdev);
307 if (mgs->mgs_proc_live != NULL) {
308 /* Should be no live entries */
309 lprocfs_remove(&mgs->mgs_proc_live);
310 mgs->mgs_proc_live = NULL;
313 lprocfs_free_per_client_stats(obd);
314 lprocfs_obd_cleanup(obd);
315 lprocfs_free_obd_stats(obd);
316 lprocfs_free_md_stats(obd);
319 void mgs_counter_incr(struct obd_export *exp, int opcode)
321 lprocfs_counter_incr(exp->exp_obd->obd_stats, opcode);
322 if (exp->exp_nid_stats && exp->exp_nid_stats->nid_stats != NULL)
323 lprocfs_counter_incr(exp->exp_nid_stats->nid_stats, opcode);
326 void mgs_stats_counter_init(struct lprocfs_stats *stats)
328 lprocfs_counter_init(stats, LPROC_MGS_CONNECT, 0, "connect", "reqs");
329 lprocfs_counter_init(stats, LPROC_MGS_DISCONNECT, 0, "disconnect",
331 lprocfs_counter_init(stats, LPROC_MGS_EXCEPTION, 0, "exception",
333 lprocfs_counter_init(stats, LPROC_MGS_TARGET_REG, 0, "tgtreg", "reqs");
334 lprocfs_counter_init(stats, LPROC_MGS_TARGET_DEL, 0, "tgtdel", "reqs");