/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2002, 2003 Cluster File Systems, Inc.
- * Author: Hariharan Thantry <thantry@users.sourceforge.net>
+ * GPL HEADER START
*
- * This file is part of the Lustre file system, http://www.lustre.org
- * Lustre is a trademark of Cluster File Systems, Inc.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * 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.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * 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.
+ * This program 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 version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * 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.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/obdclass/lprocfs_status.c
+ *
+ * Author: Hariharan Thantry <thantry@users.sourceforge.net>
*/
#ifndef EXPORT_SYMTAB
return n;
}
-int lprocfs_add_simple(struct proc_dir_entry *root, char *name,
- read_proc_t *read_proc, write_proc_t *write_proc,
- void *data)
+cfs_proc_dir_entry_t *lprocfs_add_simple(struct proc_dir_entry *root,
+ char *name,
+ read_proc_t *read_proc,
+ write_proc_t *write_proc,
+ void *data,
+ struct file_operations *fops)
{
- struct proc_dir_entry *proc;
+ cfs_proc_dir_entry_t *proc;
mode_t mode = 0;
-
+
if (root == NULL || name == NULL)
- return -EINVAL;
+ return ERR_PTR(-EINVAL);
if (read_proc)
mode = 0444;
if (write_proc)
mode |= 0200;
+ if (fops)
+ mode = 0644;
proc = create_proc_entry(name, mode, root);
if (!proc) {
CERROR("LprocFS: No memory to create /proc entry %s", name);
- return -ENOMEM;
+ return ERR_PTR(-ENOMEM);
}
proc->read_proc = read_proc;
proc->write_proc = write_proc;
proc->data = data;
- return 0;
+ if (fops)
+ proc->proc_fops = fops;
+ return proc;
}
-
-static ssize_t lprocfs_fops_read(struct file *f, char __user *buf, size_t size, loff_t *ppos)
+static ssize_t lprocfs_fops_read(struct file *f, char __user *buf, size_t size,
+ loff_t *ppos)
{
struct proc_dir_entry *dp = PDE(f->f_dentry->d_inode);
char *page, *start = NULL;
LPROCFS_ENTRY();
OBD_FAIL_TIMEOUT(OBD_FAIL_LPROC_REMOVE, 10);
if (!dp->deleted && dp->read_proc)
- rc = dp->read_proc(page, &start, *ppos, PAGE_SIZE,
+ rc = dp->read_proc(page, &start, *ppos, PAGE_SIZE,
&eof, dp->data);
LPROCFS_EXIT();
if (rc <= 0)
return rc;
}
-static ssize_t lprocfs_fops_write(struct file *f, const char __user *buf, size_t size, loff_t *ppos)
+static ssize_t lprocfs_fops_write(struct file *f, const char __user *buf,
+ size_t size, loff_t *ppos)
{
struct proc_dir_entry *dp = PDE(f->f_dentry->d_inode);
int rc = -EIO;
};
EXPORT_SYMBOL(lprocfs_evict_client_fops);
+/**
+ * Add /proc entrys.
+ *
+ * \param root [in] The parent proc entry on which new entry will be added.
+ * \param list [in] Array of proc entries to be added.
+ * \param data [in] The argument to be passed when entries read/write routines
+ * are called through /proc file.
+ *
+ * \retval 0 on success
+ * < 0 on error
+ */
int lprocfs_add_vars(struct proc_dir_entry *root, struct lprocfs_vars *list,
void *data)
{
proc_mkdir(cur, cur_root));
} else if (proc == NULL) {
mode_t mode = 0;
- if (list->read_fptr)
- mode = 0444;
- if (list->write_fptr)
- mode |= 0200;
+ if (list->proc_mode != 0000) {
+ mode = list->proc_mode;
+ } else {
+ if (list->read_fptr)
+ mode = 0444;
+ if (list->write_fptr)
+ mode |= 0200;
+ }
proc = create_proc_entry(cur, mode, cur_root);
}
}
parent = root->parent;
LASSERT(parent != NULL);
- LPROCFS_ENTRY(); /* search vs remove race */
+ LPROCFS_WRITE_ENTRY(); /* search vs remove race */
while (1) {
while (temp->subdir != NULL)
"0x%p %s/%s len %d\n", rm_entry, temp->name,
rm_entry->name, (int)strlen(rm_entry->name));
- /* Now, the rm_entry->deleted flags is protected
+ /* Now, the rm_entry->deleted flags is protected
* by _lprocfs_lock. */
rm_entry->data = NULL;
remove_proc_entry(rm_entry->name, temp);
if (temp == parent)
break;
}
- LPROCFS_EXIT();
+ LPROCFS_WRITE_EXIT();
}
struct proc_dir_entry *lprocfs_register(const char *name,
atomic_t *atm = data;
int val = 0;
int rc;
-
+
rc = lprocfs_write_helper(buffer, count, &val);
if (rc < 0)
return rc;
if (val <= 0)
return -ERANGE;
-
+
atomic_set(atm, val);
return count;
}
struct ptlrpc_connection *conn;
int rc = 0;
- LASSERT(obd != NULL);
+ LASSERT(obd != NULL);
LPROCFS_CLIMP_CHECK(obd);
conn = obd->u.cli.cl_import->imp_connection;
LASSERT(conn != NULL);
return rc;
}
-int lprocfs_at_hist_helper(char *page, int count, int rc,
+#define flag2str(flag) \
+ if (imp->imp_##flag && max - len > 0) \
+ len += snprintf(str + len, max - len, " " #flag);
+
+/**
+ * Append a space separated list of current set flags to str.
+ */
+static int obd_import_flags2str(struct obd_import *imp, char *str,
+ int max)
+{
+ int len = 0;
+
+ if (imp->imp_obd->obd_no_recov)
+ len += snprintf(str, max - len, " no_recov");
+
+ flag2str(invalid);
+ flag2str(deactive);
+ flag2str(replayable);
+ flag2str(pingable);
+ flag2str(recon_bk);
+ flag2str(last_recon);
+ return len;
+}
+#undef flags2str
+
+int lprocfs_rd_import(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
+{
+ struct obd_device *obd = (struct obd_device *)data;
+ struct obd_import *imp;
+ char *imp_state_name = NULL;
+ int rc = 0;
+
+ LASSERT(obd != NULL);
+ LPROCFS_CLIMP_CHECK(obd);
+ imp = obd->u.cli.cl_import;
+ imp_state_name = ptlrpc_import_state_name(imp->imp_state);
+ *eof = 1;
+
+ rc = snprintf(page, count,
+ "import: %s\n"
+ " target: %s@%s\n"
+ " state: %s\n"
+ " inflight: %u\n"
+ " unregistering: %u\n"
+ " conn_cnt: %u\n"
+ " generation: %u\n"
+ " inval_cnt: %u\n"
+ " last_replay_transno: "LPU64"\n"
+ " peer_committed_transno: "LPU64"\n"
+ " last_trasno_checked: "LPU64"\n"
+ " flags:",
+ obd->obd_name,
+ obd2cli_tgt(obd), imp->imp_connection->c_remote_uuid.uuid,
+ imp_state_name,
+ atomic_read(&imp->imp_inflight),
+ atomic_read(&imp->imp_unregistering),
+ imp->imp_conn_cnt,
+ imp->imp_generation,
+ atomic_read(&imp->imp_inval_count),
+ imp->imp_last_replay_transno,
+ imp->imp_peer_committed_transno,
+ imp->imp_last_transno_checked);
+ rc += obd_import_flags2str(imp, page + rc, count - rc);
+ rc += snprintf(page+rc, count - rc, "\n");
+ LPROCFS_CLIMP_EXIT(obd);
+ return rc;
+}
+
+int lprocfs_at_hist_helper(char *page, int count, int rc,
struct adaptive_timeout *at)
{
int i;
for (i = 0; i < AT_BINS; i++)
- rc += snprintf(page + rc, count - rc, "%3u ", at->at_hist[i]);
+ rc += snprintf(page + rc, count - rc, "%3u ", at->at_hist[i]);
rc += snprintf(page + rc, count - rc, "\n");
return rc;
}
/* Some network health info for kicks */
s2dhms(&ts, now - imp->imp_last_reply_time);
- rc += snprintf(page + rc, count - rc,
+ rc += snprintf(page + rc, count - rc,
"%-10s : %ld, "DHMS_FMT" ago\n",
"last reply", imp->imp_last_reply_time, DHMS_VARS(&ts));
-
cur = at_get(&imp->imp_at.iat_net_latency);
worst = imp->imp_at.iat_net_latency.at_worst_ever;
worstt = imp->imp_at.iat_net_latency.at_worst_time;
s2dhms(&ts, now - worstt);
- rc += snprintf(page + rc, count - rc,
+ rc += snprintf(page + rc, count - rc,
"%-10s : cur %3u worst %3u (at %ld, "DHMS_FMT" ago) ",
- "network", cur, worst, worstt, DHMS_VARS(&ts));
+ "network", cur, worst, worstt, DHMS_VARS(&ts));
rc = lprocfs_at_hist_helper(page, count, rc,
- &imp->imp_at.iat_net_latency);
+ &imp->imp_at.iat_net_latency);
for(i = 0; i < IMP_AT_MAX_PORTALS; i++) {
if (imp->imp_at.iat_portal[i] == 0)
s2dhms(&ts, now - worstt);
rc += snprintf(page + rc, count - rc,
"portal %-2d : cur %3u worst %3u (at %ld, "
- DHMS_FMT" ago) ", imp->imp_at.iat_portal[i],
+ DHMS_FMT" ago) ", imp->imp_at.iat_portal[i],
cur, worst, worstt, DHMS_VARS(&ts));
rc = lprocfs_at_hist_helper(page, count, rc,
&imp->imp_at.iat_service_estimate[i]);
return rc;
}
+/* see OBD_CONNECT_* */
static const char *obd_connect_names[] = {
"read_only",
"lov_index",
"change_qunit_size",
"alt_checksum_algorithm",
"fid_is_enabled",
+ "version_recovery",
+ "pools",
NULL
};
int lprocfs_obd_cleanup(struct obd_device *obd)
{
- if (!obd)
+ if (!obd)
return -EINVAL;
if (obd->obd_proc_exports_entry) {
/* Should be no exports left */
lprocfs_free_stats(&client_stat->nid_stats);
if (client_stat->nid_brw_stats)
- OBD_FREE(client_stat->nid_brw_stats, sizeof(struct brw_stats));
+ OBD_FREE_PTR(client_stat->nid_brw_stats);
+
+ if (client_stat->nid_ldlm_stats)
+ lprocfs_free_stats(&client_stat->nid_ldlm_stats);
- OBD_FREE(client_stat, sizeof(*client_stat));
+ OBD_FREE_PTR(client_stat);
return;
}
unsigned int num_cpu;
unsigned int percpusize;
unsigned int i;
-
+
if (!stats || (stats->ls_num == 0))
return;
*statsh = NULL;
LPROCFS_OBD_OP_INIT(num_private_stats, stats, connect);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, reconnect);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, disconnect);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_init);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_fini);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, statfs);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, statfs_async);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, packmd);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, set_async_flags);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, teardown_async_page);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, merge_lvb);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, update_lvb);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, adjust_kms);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, punch);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, sync);
LPROCFS_OBD_OP_INIT(num_private_stats,stats,unregister_page_removal_cb);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, register_lock_cancel_cb);
LPROCFS_OBD_OP_INIT(num_private_stats, stats,unregister_lock_cancel_cb);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_new);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_rem);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_add);
+ LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_del);
+}
+
+void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats)
+{
+ lprocfs_counter_init(ldlm_stats,
+ LDLM_ENQUEUE - LDLM_FIRST_OPC,
+ 0, "ldlm_enqueue", "reqs");
+ lprocfs_counter_init(ldlm_stats,
+ LDLM_CONVERT - LDLM_FIRST_OPC,
+ 0, "ldlm_convert", "reqs");
+ lprocfs_counter_init(ldlm_stats,
+ LDLM_CANCEL - LDLM_FIRST_OPC,
+ 0, "ldlm_cancel", "reqs");
+ lprocfs_counter_init(ldlm_stats,
+ LDLM_BL_CALLBACK - LDLM_FIRST_OPC,
+ 0, "ldlm_bl_callback", "reqs");
+ lprocfs_counter_init(ldlm_stats,
+ LDLM_CP_CALLBACK - LDLM_FIRST_OPC,
+ 0, "ldlm_cp_callback", "reqs");
+ lprocfs_counter_init(ldlm_stats,
+ LDLM_GL_CALLBACK - LDLM_FIRST_OPC,
+ 0, "ldlm_gl_callback", "reqs");
}
int lprocfs_alloc_obd_stats(struct obd_device *obd, unsigned num_private_stats)
void lprocfs_free_obd_stats(struct obd_device *obd)
{
- if (obd->obd_stats)
+ if (obd->obd_stats)
lprocfs_free_stats(&obd->obd_stats);
}
int *len;
};
+static void
+lprocfs_exp_rd_cb_data_init(struct exp_uuid_cb_data *cb_data, char *page,
+ int count, int *eof, int *len)
+{
+ cb_data->page = page;
+ cb_data->count = count;
+ cb_data->eof = eof;
+ cb_data->len = len;
+}
+
void lprocfs_exp_print_uuid(void *obj, void *cb_data)
{
struct obd_export *exp = (struct obd_export *)obj;
*eof = 1;
page[0] = '\0';
- LASSERT(obd != NULL);
+ lprocfs_exp_rd_cb_data_init(&cb_data, page, count, eof, &len);
+ lustre_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
+ lprocfs_exp_print_uuid, &cb_data);
+ return (*cb_data.len);
+}
+
+void lprocfs_exp_print_hash(void *obj, void *cb_data)
+{
+ struct obd_export *exp = (struct obd_export *)obj;
+ struct exp_uuid_cb_data *data = (struct exp_uuid_cb_data *)cb_data;
+ lustre_hash_t *lh;
+
+ lh = exp->exp_lock_hash;
+ if (lh) {
+ if (!*data->len)
+ *data->len += lustre_hash_debug_header(data->page,
+ data->count);
+
+ *data->len += lustre_hash_debug_str(lh, data->page +
+ *data->len,
+ data->count);
+ }
+}
+
+int lprocfs_exp_rd_hash(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
+{
+ struct nid_stat *stats = (struct nid_stat *)data;
+ struct exp_uuid_cb_data cb_data;
+ struct obd_device *obd = stats->nid_obd;
+ int len = 0;
- cb_data.page = page;
- cb_data.count = count;
- cb_data.eof = eof;
- cb_data.len = &len;
- lustre_hash_bucket_iterate(obd->obd_nid_hash_body,
- &stats->nid, lprocfs_exp_print_uuid,
- &cb_data);
+ *eof = 1;
+ page[0] = '\0';
+ lprocfs_exp_rd_cb_data_init(&cb_data, page, count, eof, &len);
+ lustre_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
+ lprocfs_exp_print_hash, &cb_data);
return (*cb_data.len);
}
{
struct nid_stat *stat = obj;
int i;
-
+ ENTRY;
/* object has only hash + iterate_all references.
* add/delete blocked by hash bucket lock */
CDEBUG(D_INFO,"refcnt %d\n", stat->nid_exp_ref_count);
- if(stat->nid_exp_ref_count == 2) {
+ if (stat->nid_exp_ref_count == 2) {
hlist_del_init(&stat->nid_hash);
stat->nid_exp_ref_count--;
spin_lock(&stat->nid_obd->obd_nid_lock);
- list_del_init(&stat->nid_list);
+ list_move(&stat->nid_list, data);
spin_unlock(&stat->nid_obd->obd_nid_lock);
- list_add(&stat->nid_list, data);
EXIT;
return;
}
return;
}
-
int lprocfs_nid_stats_clear_write(struct file *file, const char *buffer,
unsigned long count, void *data)
{
struct nid_stat *client_stat;
CFS_LIST_HEAD(free_list);
- lustre_hash_iterate_all(obd->obd_nid_stats_hash_body,
- lprocfs_nid_stats_clear_write_cb, &free_list);
+ lustre_hash_for_each(obd->obd_nid_stats_hash,
+ lprocfs_nid_stats_clear_write_cb, &free_list);
while (!list_empty(&free_list)) {
- client_stat = list_entry(free_list.next, struct nid_stat, nid_list);
+ client_stat = list_entry(free_list.next, struct nid_stat,
+ nid_list);
list_del_init(&client_stat->nid_list);
lprocfs_free_client_stats(client_stat);
}
int lprocfs_exp_setup(struct obd_export *exp, lnet_nid_t *nid, int *newnid)
{
int rc = 0;
- struct nid_stat *tmp = NULL, *tmp1;
- struct obd_device *obd = NULL;
+ struct nid_stat *new_stat, *old_stat;
+ struct nid_stat_uuid *cursor, *new_ns_uuid;
+ struct obd_device *obd;
+ cfs_proc_dir_entry_t *entry;
ENTRY;
*newnid = 0;
if (!exp || !exp->exp_obd || !exp->exp_obd->obd_proc_exports_entry ||
- !exp->exp_obd->obd_nid_stats_hash_body)
+ !exp->exp_obd->obd_nid_stats_hash)
RETURN(-EINVAL);
- /* not test against zero because eric say:
- * You may only test nid against another nid, or LNET_NID_ANY. Anything else is
- * nonsense.*/
+ /* not test against zero because eric say:
+ * You may only test nid against another nid, or LNET_NID_ANY.
+ * Anything else is nonsense.*/
if (!nid || *nid == LNET_NID_ANY)
RETURN(0);
obd = exp->exp_obd;
- CDEBUG(D_CONFIG, "using hash %p\n", obd->obd_nid_stats_hash_body);
+ CDEBUG(D_CONFIG, "using hash %p\n", obd->obd_nid_stats_hash);
- OBD_ALLOC(tmp, sizeof(struct nid_stat));
- if (tmp == NULL)
+ OBD_ALLOC_PTR(new_stat);
+ if (new_stat == NULL)
RETURN(-ENOMEM);
- tmp->nid = *nid;
- tmp->nid_obd = exp->exp_obd;
- tmp->nid_exp_ref_count = 1; /* need live in hash after destroy export */
+ OBD_ALLOC_PTR(new_ns_uuid);
+ if (new_ns_uuid == NULL) {
+ OBD_FREE_PTR(new_stat);
+ RETURN(-ENOMEM);
+ }
+ CFS_INIT_LIST_HEAD(&new_ns_uuid->ns_uuid_list);
+ strncpy(new_ns_uuid->ns_uuid.uuid, exp->exp_client_uuid.uuid,
+ sizeof(struct obd_uuid));
+
+ CFS_INIT_LIST_HEAD(&new_stat->nid_uuid_list);
+ new_stat->nid = *nid;
+ new_stat->nid_obd = exp->exp_obd;
+ /* need live in hash after destroy export */
+ new_stat->nid_exp_ref_count = 1;
+
+ old_stat = lustre_hash_findadd_unique(obd->obd_nid_stats_hash,
+ nid, &new_stat->nid_hash);
+ CDEBUG(D_INFO, "Found stats %p for nid %s - ref %d\n",
+ old_stat, libcfs_nid2str(*nid), new_stat->nid_exp_ref_count);
+
+ /* Return -EALREADY here so that we know that the /proc
+ * entry already has been created */
+ if (old_stat != new_stat) {
+ int found = 0;
+
+ exp->exp_nid_stats = old_stat;
+
+ /* We need to decrement the refcount if the uuid was
+ * already in our list */
+ spin_lock(&obd->obd_nid_lock);
+ list_for_each_entry(cursor,
+ &old_stat->nid_uuid_list,
+ ns_uuid_list) {
+ if (cursor && obd_uuid_equals(&cursor->ns_uuid,
+ &exp->exp_client_uuid)) {
+ found = 1;
+ --old_stat->nid_exp_ref_count;
+ break;
+ }
+ }
- /* protect competitive add to list, not need locking on destroy */
- spin_lock(&obd->obd_nid_lock);
- list_add(&tmp->nid_list, &obd->obd_nid_stats);
- spin_unlock(&obd->obd_nid_lock);
+ if (!found)
+ list_add(&new_ns_uuid->ns_uuid_list,
+ &old_stat->nid_uuid_list);
+ else
+ OBD_FREE_PTR(new_ns_uuid);
- tmp1= lustre_hash_findadd_unique(obd->obd_nid_stats_hash_body, nid,
- &tmp->nid_hash);
- CDEBUG(D_INFO, "Found stats %p for nid %s - ref %d\n",
- tmp1, libcfs_nid2str(*nid), tmp->nid_exp_ref_count);
+ spin_unlock(&obd->obd_nid_lock);
- if (tmp1 != tmp) {
- exp->exp_nid_stats = tmp1;
- GOTO(destroy_new, rc = 0);
+ GOTO(destroy_new, rc = -EALREADY);
}
/* not found - create */
- tmp->nid_proc = proc_mkdir(libcfs_nid2str(*nid),
+ new_stat->nid_proc = proc_mkdir(libcfs_nid2str(*nid),
obd->obd_proc_exports_entry);
- if (!tmp->nid_proc) {
+ if (!new_stat->nid_proc) {
CERROR("Error making export directory for"
" nid %s\n", libcfs_nid2str(*nid));
- lustre_hash_delitem(obd->obd_nid_stats_hash_body, nid,
- &tmp->nid_hash);
- GOTO(destroy_new, rc = -ENOMEM);
+ GOTO(destroy_new_ns, rc = -ENOMEM);
}
- rc = lprocfs_add_simple(tmp->nid_proc, "uuid",
- lprocfs_exp_rd_uuid, NULL, tmp);
- if (rc)
+ /* Add in uuid to our nid_stats list */
+ spin_lock(&obd->obd_nid_lock);
+ list_add(&new_ns_uuid->ns_uuid_list, &new_stat->nid_uuid_list);
+ spin_unlock(&obd->obd_nid_lock);
+
+ entry = lprocfs_add_simple(new_stat->nid_proc, "uuid",
+ lprocfs_exp_rd_uuid, NULL, new_stat, NULL);
+ if (IS_ERR(entry)) {
CWARN("Error adding the uuid file\n");
+ rc = PTR_ERR(entry);
+ GOTO(destroy_new_ns, rc);
+ }
+
+ entry = lprocfs_add_simple(new_stat->nid_proc, "hash",
+ lprocfs_exp_rd_hash, NULL, new_stat, NULL);
+ if (IS_ERR(entry)) {
+ CWARN("Error adding the hash file\n");
+ rc = PTR_ERR(entry);
+ lprocfs_remove(&new_stat->nid_proc);
+ GOTO(destroy_new_ns, rc);
+ }
- exp->exp_nid_stats = tmp;
+ exp->exp_nid_stats = new_stat;
*newnid = 1;
+ /* protect competitive add to list, not need locking on destroy */
+ spin_lock(&obd->obd_nid_lock);
+ list_add(&new_stat->nid_list, &obd->obd_nid_stats);
+ spin_unlock(&obd->obd_nid_lock);
+
RETURN(rc);
+destroy_new_ns:
+ lustre_hash_del(obd->obd_nid_stats_hash, nid, &new_stat->nid_hash);
+ OBD_FREE_PTR(new_ns_uuid);
+
destroy_new:
- spin_lock(&obd->obd_nid_lock);
- list_del(&tmp->nid_list);
- spin_unlock(&obd->obd_nid_lock);
- OBD_FREE(tmp, sizeof(struct nid_stat));
+ OBD_FREE_PTR(new_stat);
RETURN(rc);
}
int lprocfs_exp_cleanup(struct obd_export *exp)
{
struct nid_stat *stat = exp->exp_nid_stats;
+ struct nid_stat_uuid *cursor, *tmp;
+ int found = 0;
- if(!stat)
+ if(!stat || !exp->exp_obd)
RETURN(0);
- stat->nid_exp_ref_count--;
- CDEBUG(D_INFO, "Put stat %p - %d\n", stat, stat->nid_exp_ref_count);
+ spin_lock(&exp->exp_obd->obd_nid_lock);
+ list_for_each_entry_safe(cursor, tmp,
+ &stat->nid_uuid_list,
+ ns_uuid_list) {
+ if (cursor && obd_uuid_equals(&cursor->ns_uuid,
+ &exp->exp_client_uuid)) {
+ found = 1;
+ list_del(&cursor->ns_uuid_list);
+ OBD_FREE_PTR(cursor);
+ --stat->nid_exp_ref_count;
+ CDEBUG(D_INFO, "Put stat %p - %d\n", stat,
+ stat->nid_exp_ref_count);
+ break;
+ }
+ }
+ spin_unlock(&exp->exp_obd->obd_nid_lock);
+ if (!found)
+ CERROR("obd_export's client uuid %s are not found in its "
+ "nid_stats list\n", exp->exp_client_uuid.uuid);
exp->exp_nid_stats = NULL;
- lprocfs_free_stats(&exp->exp_ldlm_stats);
lprocfs_free_stats(&exp->exp_ops_stats);
return 0;
return 0;
}
-int lprocfs_read_frac_helper(char *buffer, unsigned long count, long val, int mult)
+int lprocfs_read_frac_helper(char *buffer, unsigned long count, long val,
+ int mult)
{
long decimal_val, frac_val;
int prtn;
temp_frac = frac_val * 10;
buffer[prtn++] = '.';
- while (frac_bits < 2 && (temp_frac / mult) < 1 ) { /*only reserved 2bits fraction*/
+ while (frac_bits < 2 && (temp_frac / mult) < 1 ) {
+ /*only reserved 2bits fraction*/
buffer[prtn++] ='0';
temp_frac *= 10;
frac_bits++;
2. #echo x.0x > /proc/xxx output result : x.0x
3. #echo x.x0 > /proc/xxx output result : x.x
4. #echo x.xx > /proc/xxx output result : x.xx
- Only reserved 2bits fraction.
+ Only reserved 2bits fraction.
*/
for (i = 0; i < (5 - prtn); i++)
temp_mult *= 10;
return 0;
}
-int lprocfs_seq_create(cfs_proc_dir_entry_t *parent,
+int lprocfs_seq_create(cfs_proc_dir_entry_t *parent,
char *name, mode_t mode,
struct file_operations *seq_fops, void *data)
{
struct file_operations *seq_fops,
void *data)
{
- return (lprocfs_seq_create(dev->obd_proc_entry, name,
+ return (lprocfs_seq_create(dev->obd_proc_entry, name,
mode, seq_fops, data));
}
EXPORT_SYMBOL(lprocfs_obd_seq_create);
obd->obd_recovery_end -
obd->obd_recovery_start) <= 0)
goto out;
+ if (lprocfs_obd_snprintf(&page, size, &len,
+ "delayed_clients: %d/%d\n",
+ obd->obd_delayed_clients,
+ obd->obd_max_recoverable_clients) <= 0)
+ goto out;
/* Number of clients that have completed recovery */
if (lprocfs_obd_snprintf(&page, size, &len,
"completed_clients: %d/%d\n",
obd->obd_max_recoverable_clients -
- obd->obd_recoverable_clients,
+ obd->obd_recoverable_clients -
+ obd->obd_delayed_clients,
obd->obd_max_recoverable_clients) <= 0)
goto out;
if (lprocfs_obd_snprintf(&page, size, &len,
obd->obd_connected_clients,
obd->obd_max_recoverable_clients) <= 0)
goto out;
+ if (lprocfs_obd_snprintf(&page, size, &len,"delayed_clients: %d/%d\n",
+ obd->obd_delayed_clients,
+ obd->obd_max_recoverable_clients) <= 0)
+ goto out;
/* Number of clients that have completed recovery */
if (lprocfs_obd_snprintf(&page, size, &len,"completed_clients: %d/%d\n",
obd->obd_max_recoverable_clients -
- obd->obd_recoverable_clients,
+ obd->obd_recoverable_clients -
+ obd->obd_delayed_clients,
obd->obd_max_recoverable_clients) <= 0)
goto out;
if (lprocfs_obd_snprintf(&page, size, &len,"replayed_requests: %d/??\n",
}
EXPORT_SYMBOL(lprocfs_obd_rd_recovery_status);
+int lprocfs_obd_rd_hash(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = data;
+ int c = 0;
+
+ if (obd == NULL)
+ return 0;
+
+ c += lustre_hash_debug_header(page, count);
+ c += lustre_hash_debug_str(obd->obd_uuid_hash, page + c, count - c);
+ c += lustre_hash_debug_str(obd->obd_nid_hash, page + c, count - c);
+ c += lustre_hash_debug_str(obd->obd_nid_stats_hash, page+c, count-c);
+
+ return c;
+}
+EXPORT_SYMBOL(lprocfs_obd_rd_hash);
+
#ifdef CRAY_XT3
int lprocfs_obd_rd_recovery_maxtime(char *page, char **start, off_t off,
int count, int *eof, void *data)
struct obd_device *obd = (struct obd_device *)data;
LASSERT(obd != NULL);
- return snprintf(page, count, "%lu\n",
+ return snprintf(page, count, "%lu\n",
obd->obd_recovery_max_time);
}
EXPORT_SYMBOL(lprocfs_obd_rd_recovery_maxtime);
EXPORT_SYMBOL(lprocfs_obd_wr_recovery_maxtime);
#endif /* CRAY_XT3 */
-#ifdef HAVE_QUOTA_SUPPORT
-int lprocfs_quota_rd_bunit(char *page, char **start, off_t off, int count,
- int *eof, void *data)
-{
- struct obd_device *obd = (struct obd_device *)data;
- LASSERT(obd != NULL);
-
- return snprintf(page, count, "%lu\n",
- obd->u.obt.obt_qctxt.lqc_bunit_sz);
-}
-EXPORT_SYMBOL(lprocfs_quota_rd_bunit);
-
-int lprocfs_quota_wr_bunit(struct file *file, const char *buffer,
- unsigned long count, void *data)
-{
- struct obd_device *obd = (struct obd_device *)data;
- int val, rc;
- LASSERT(obd != NULL);
-
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
-
- if (val % QUOTABLOCK_SIZE ||
- val <= obd->u.obt.obt_qctxt.lqc_btune_sz)
- return -EINVAL;
-
- obd->u.obt.obt_qctxt.lqc_bunit_sz = val;
- return count;
-}
-EXPORT_SYMBOL(lprocfs_quota_wr_bunit);
-
-int lprocfs_quota_rd_btune(char *page, char **start, off_t off, int count,
- int *eof, void *data)
-{
- struct obd_device *obd = (struct obd_device *)data;
- LASSERT(obd != NULL);
-
- return snprintf(page, count, "%lu\n",
- obd->u.obt.obt_qctxt.lqc_btune_sz);
-}
-EXPORT_SYMBOL(lprocfs_quota_rd_btune);
-
-int lprocfs_quota_wr_btune(struct file *file, const char *buffer,
- unsigned long count, void *data)
-{
- struct obd_device *obd = (struct obd_device *)data;
- int val, rc;
- LASSERT(obd != NULL);
-
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
-
- if (val <= QUOTABLOCK_SIZE * MIN_QLIMIT || val % QUOTABLOCK_SIZE ||
- val >= obd->u.obt.obt_qctxt.lqc_bunit_sz)
- return -EINVAL;
-
- obd->u.obt.obt_qctxt.lqc_btune_sz = val;
- return count;
-}
-EXPORT_SYMBOL(lprocfs_quota_wr_btune);
-
-int lprocfs_quota_rd_iunit(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+#ifdef HAVE_DELAYED_RECOVERY
+int lprocfs_obd_rd_stale_export_age(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
{
struct obd_device *obd = (struct obd_device *)data;
LASSERT(obd != NULL);
- return snprintf(page, count, "%lu\n",
- obd->u.obt.obt_qctxt.lqc_iunit_sz);
+ return snprintf(page, count, "%u\n",
+ obd->u.obt.obt_stale_export_age);
}
-EXPORT_SYMBOL(lprocfs_quota_rd_iunit);
+EXPORT_SYMBOL(lprocfs_obd_rd_stale_export_age);
-int lprocfs_quota_wr_iunit(struct file *file, const char *buffer,
- unsigned long count, void *data)
+int lprocfs_obd_wr_stale_export_age(struct file *file, const char *buffer,
+ unsigned long count, void *data)
{
struct obd_device *obd = (struct obd_device *)data;
int val, rc;
if (rc)
return rc;
- if (val <= obd->u.obt.obt_qctxt.lqc_itune_sz)
- return -EINVAL;
-
- obd->u.obt.obt_qctxt.lqc_iunit_sz = val;
+ target_trans_table_recalc(obd, val);
+ obd->u.obt.obt_stale_export_age = val;
return count;
}
-EXPORT_SYMBOL(lprocfs_quota_wr_iunit);
+EXPORT_SYMBOL(lprocfs_obd_wr_stale_export_age);
-int lprocfs_quota_rd_itune(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static int obd_stale_exports_seq_show(struct seq_file *seq, void *v)
{
- struct obd_device *obd = (struct obd_device *)data;
- LASSERT(obd != NULL);
+ struct obd_device *obd = seq->private;
+ struct obd_export *exp;
- return snprintf(page, count, "%lu\n",
- obd->u.obt.obt_qctxt.lqc_itune_sz);
+ spin_lock(&obd->obd_dev_lock);
+ list_for_each_entry(exp, &obd->obd_delayed_exports,
+ exp_obd_chain) {
+ seq_printf(seq, "%s: %ld seconds ago%s\n",
+ obd_uuid2str(&exp->exp_client_uuid),
+ cfs_time_current_sec() - exp->exp_last_request_time,
+ exp_expired(exp, obd->u.obt.obt_stale_export_age) ?
+ " [EXPIRED]" : "");
+ }
+ spin_unlock(&obd->obd_dev_lock);
+ return 0;
}
-EXPORT_SYMBOL(lprocfs_quota_rd_itune);
-
-int lprocfs_quota_wr_itune(struct file *file, const char *buffer,
- unsigned long count, void *data)
-{
- struct obd_device *obd = (struct obd_device *)data;
- int val, rc;
- LASSERT(obd != NULL);
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
+LPROC_SEQ_FOPS_RO(obd_stale_exports);
- if (val <= MIN_QLIMIT ||
- val >= obd->u.obt.obt_qctxt.lqc_iunit_sz)
- return -EINVAL;
-
- obd->u.obt.obt_qctxt.lqc_itune_sz = val;
- return count;
-}
-EXPORT_SYMBOL(lprocfs_quota_wr_itune);
-
-int lprocfs_quota_rd_switch_seconds(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+int lprocfs_obd_attach_stale_exports(struct obd_device *dev)
{
- struct obd_device *obd = (struct obd_device *)data;
- LASSERT(obd != NULL);
-
- return snprintf(page, count, "%d\n",
- obd->u.obt.obt_qctxt.lqc_switch_seconds);
+ return lprocfs_obd_seq_create(dev, "stale_exports", 0444,
+ &obd_stale_exports_fops, dev);
}
-EXPORT_SYMBOL(lprocfs_quota_rd_switch_seconds);
+EXPORT_SYMBOL(lprocfs_obd_attach_stale_exports);
-int lprocfs_quota_wr_switch_seconds(struct file *file, const char *buffer,
- unsigned long count, void *data)
+int lprocfs_obd_wr_flush_stale_exports(struct file *file, const char *buffer,
+ unsigned long count, void *data)
{
struct obd_device *obd = (struct obd_device *)data;
int val, rc;
if (rc)
return rc;
- if (val <= 10)
- return -EINVAL;
-
- obd->u.obt.obt_qctxt.lqc_switch_seconds = val;
+ class_disconnect_expired_exports(obd);
return count;
}
-EXPORT_SYMBOL(lprocfs_quota_wr_switch_seconds);
-
+EXPORT_SYMBOL(lprocfs_obd_wr_flush_stale_exports);
#endif
-
EXPORT_SYMBOL(lprocfs_register);
EXPORT_SYMBOL(lprocfs_srch);
EXPORT_SYMBOL(lprocfs_remove);
EXPORT_SYMBOL(lprocfs_clear_stats);
EXPORT_SYMBOL(lprocfs_register_stats);
EXPORT_SYMBOL(lprocfs_init_ops_stats);
+EXPORT_SYMBOL(lprocfs_init_ldlm_stats);
EXPORT_SYMBOL(lprocfs_alloc_obd_stats);
EXPORT_SYMBOL(lprocfs_free_obd_stats);
EXPORT_SYMBOL(lprocfs_exp_setup);
EXPORT_SYMBOL(lprocfs_rd_num_exports);
EXPORT_SYMBOL(lprocfs_rd_numrefs);
EXPORT_SYMBOL(lprocfs_at_hist_helper);
+EXPORT_SYMBOL(lprocfs_rd_import);
EXPORT_SYMBOL(lprocfs_rd_timeouts);
EXPORT_SYMBOL(lprocfs_rd_blksize);
EXPORT_SYMBOL(lprocfs_rd_kbytestotal);