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-rw-r--r--fs/dlm/config.c359
1 files changed, 213 insertions, 146 deletions
diff --git a/fs/dlm/config.c b/fs/dlm/config.c
index 89d2fb7b991..d521bddf876 100644
--- a/fs/dlm/config.c
+++ b/fs/dlm/config.c
@@ -2,7 +2,7 @@
*******************************************************************************
**
** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
-** Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved.
+** Copyright (C) 2004-2011 Red Hat, Inc. All rights reserved.
**
** This copyrighted material is made available to anyone wishing to use,
** modify, copy, or redistribute it subject to the terms and conditions
@@ -14,6 +14,11 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/configfs.h>
+#include <linux/slab.h>
+#include <linux/in.h>
+#include <linux/in6.h>
+#include <linux/dlmconstants.h>
+#include <net/ipv6.h>
#include <net/sock.h>
#include "config.h"
@@ -24,13 +29,15 @@
* /config/dlm/<cluster>/spaces/<space>/nodes/<node>/weight
* /config/dlm/<cluster>/comms/<comm>/nodeid
* /config/dlm/<cluster>/comms/<comm>/local
- * /config/dlm/<cluster>/comms/<comm>/addr
+ * /config/dlm/<cluster>/comms/<comm>/addr (write only)
+ * /config/dlm/<cluster>/comms/<comm>/addr_list (read only)
* The <cluster> level is useless, but I haven't figured out how to avoid it.
*/
static struct config_group *space_list;
static struct config_group *comm_list;
static struct dlm_comm *local_comm;
+static uint32_t dlm_comm_count;
struct dlm_clusters;
struct dlm_cluster;
@@ -76,6 +83,7 @@ static ssize_t comm_local_write(struct dlm_comm *cm, const char *buf,
size_t len);
static ssize_t comm_addr_write(struct dlm_comm *cm, const char *buf,
size_t len);
+static ssize_t comm_addr_list_read(struct dlm_comm *cm, char *buf);
static ssize_t node_nodeid_read(struct dlm_node *nd, char *buf);
static ssize_t node_nodeid_write(struct dlm_node *nd, const char *buf,
size_t len);
@@ -88,28 +96,32 @@ struct dlm_cluster {
unsigned int cl_tcp_port;
unsigned int cl_buffer_size;
unsigned int cl_rsbtbl_size;
- unsigned int cl_lkbtbl_size;
- unsigned int cl_dirtbl_size;
unsigned int cl_recover_timer;
unsigned int cl_toss_secs;
unsigned int cl_scan_secs;
unsigned int cl_log_debug;
unsigned int cl_protocol;
unsigned int cl_timewarn_cs;
+ unsigned int cl_waitwarn_us;
+ unsigned int cl_new_rsb_count;
+ unsigned int cl_recover_callbacks;
+ char cl_cluster_name[DLM_LOCKSPACE_LEN];
};
enum {
CLUSTER_ATTR_TCP_PORT = 0,
CLUSTER_ATTR_BUFFER_SIZE,
CLUSTER_ATTR_RSBTBL_SIZE,
- CLUSTER_ATTR_LKBTBL_SIZE,
- CLUSTER_ATTR_DIRTBL_SIZE,
CLUSTER_ATTR_RECOVER_TIMER,
CLUSTER_ATTR_TOSS_SECS,
CLUSTER_ATTR_SCAN_SECS,
CLUSTER_ATTR_LOG_DEBUG,
CLUSTER_ATTR_PROTOCOL,
CLUSTER_ATTR_TIMEWARN_CS,
+ CLUSTER_ATTR_WAITWARN_US,
+ CLUSTER_ATTR_NEW_RSB_COUNT,
+ CLUSTER_ATTR_RECOVER_CALLBACKS,
+ CLUSTER_ATTR_CLUSTER_NAME,
};
struct cluster_attribute {
@@ -118,16 +130,40 @@ struct cluster_attribute {
ssize_t (*store)(struct dlm_cluster *, const char *, size_t);
};
+static ssize_t cluster_cluster_name_read(struct dlm_cluster *cl, char *buf)
+{
+ return sprintf(buf, "%s\n", cl->cl_cluster_name);
+}
+
+static ssize_t cluster_cluster_name_write(struct dlm_cluster *cl,
+ const char *buf, size_t len)
+{
+ strlcpy(dlm_config.ci_cluster_name, buf,
+ sizeof(dlm_config.ci_cluster_name));
+ strlcpy(cl->cl_cluster_name, buf, sizeof(cl->cl_cluster_name));
+ return len;
+}
+
+static struct cluster_attribute cluster_attr_cluster_name = {
+ .attr = { .ca_owner = THIS_MODULE,
+ .ca_name = "cluster_name",
+ .ca_mode = S_IRUGO | S_IWUSR },
+ .show = cluster_cluster_name_read,
+ .store = cluster_cluster_name_write,
+};
+
static ssize_t cluster_set(struct dlm_cluster *cl, unsigned int *cl_field,
int *info_field, int check_zero,
const char *buf, size_t len)
{
unsigned int x;
+ int rc;
if (!capable(CAP_SYS_ADMIN))
- return -EACCES;
-
- x = simple_strtoul(buf, NULL, 0);
+ return -EPERM;
+ rc = kstrtouint(buf, 0, &x);
+ if (rc)
+ return rc;
if (check_zero && !x)
return -EINVAL;
@@ -154,27 +190,30 @@ __CONFIGFS_ATTR(name, 0644, name##_read, name##_write)
CLUSTER_ATTR(tcp_port, 1);
CLUSTER_ATTR(buffer_size, 1);
CLUSTER_ATTR(rsbtbl_size, 1);
-CLUSTER_ATTR(lkbtbl_size, 1);
-CLUSTER_ATTR(dirtbl_size, 1);
CLUSTER_ATTR(recover_timer, 1);
CLUSTER_ATTR(toss_secs, 1);
CLUSTER_ATTR(scan_secs, 1);
CLUSTER_ATTR(log_debug, 0);
CLUSTER_ATTR(protocol, 0);
CLUSTER_ATTR(timewarn_cs, 1);
+CLUSTER_ATTR(waitwarn_us, 0);
+CLUSTER_ATTR(new_rsb_count, 0);
+CLUSTER_ATTR(recover_callbacks, 0);
static struct configfs_attribute *cluster_attrs[] = {
[CLUSTER_ATTR_TCP_PORT] = &cluster_attr_tcp_port.attr,
[CLUSTER_ATTR_BUFFER_SIZE] = &cluster_attr_buffer_size.attr,
[CLUSTER_ATTR_RSBTBL_SIZE] = &cluster_attr_rsbtbl_size.attr,
- [CLUSTER_ATTR_LKBTBL_SIZE] = &cluster_attr_lkbtbl_size.attr,
- [CLUSTER_ATTR_DIRTBL_SIZE] = &cluster_attr_dirtbl_size.attr,
[CLUSTER_ATTR_RECOVER_TIMER] = &cluster_attr_recover_timer.attr,
[CLUSTER_ATTR_TOSS_SECS] = &cluster_attr_toss_secs.attr,
[CLUSTER_ATTR_SCAN_SECS] = &cluster_attr_scan_secs.attr,
[CLUSTER_ATTR_LOG_DEBUG] = &cluster_attr_log_debug.attr,
[CLUSTER_ATTR_PROTOCOL] = &cluster_attr_protocol.attr,
[CLUSTER_ATTR_TIMEWARN_CS] = &cluster_attr_timewarn_cs.attr,
+ [CLUSTER_ATTR_WAITWARN_US] = &cluster_attr_waitwarn_us.attr,
+ [CLUSTER_ATTR_NEW_RSB_COUNT] = &cluster_attr_new_rsb_count.attr,
+ [CLUSTER_ATTR_RECOVER_CALLBACKS] = &cluster_attr_recover_callbacks.attr,
+ [CLUSTER_ATTR_CLUSTER_NAME] = &cluster_attr_cluster_name.attr,
NULL,
};
@@ -182,6 +221,7 @@ enum {
COMM_ATTR_NODEID = 0,
COMM_ATTR_LOCAL,
COMM_ATTR_ADDR,
+ COMM_ATTR_ADDR_LIST,
};
struct comm_attribute {
@@ -209,14 +249,22 @@ static struct comm_attribute comm_attr_local = {
static struct comm_attribute comm_attr_addr = {
.attr = { .ca_owner = THIS_MODULE,
.ca_name = "addr",
- .ca_mode = S_IRUGO | S_IWUSR },
+ .ca_mode = S_IWUSR },
.store = comm_addr_write,
};
+static struct comm_attribute comm_attr_addr_list = {
+ .attr = { .ca_owner = THIS_MODULE,
+ .ca_name = "addr_list",
+ .ca_mode = S_IRUGO },
+ .show = comm_addr_list_read,
+};
+
static struct configfs_attribute *comm_attrs[] = {
[COMM_ATTR_NODEID] = &comm_attr_nodeid.attr,
[COMM_ATTR_LOCAL] = &comm_attr_local.attr,
[COMM_ATTR_ADDR] = &comm_attr_addr.attr,
+ [COMM_ATTR_ADDR_LIST] = &comm_attr_addr_list.attr,
NULL,
};
@@ -274,6 +322,7 @@ struct dlm_comms {
struct dlm_comm {
struct config_item item;
+ int seq;
int nodeid;
int local;
int addr_count;
@@ -290,6 +339,7 @@ struct dlm_node {
int nodeid;
int weight;
int new;
+ int comm_seq; /* copy of cm->seq when nd->nodeid is set */
};
static struct configfs_group_operations clusters_ops = {
@@ -377,24 +427,24 @@ static struct config_item_type node_type = {
.ct_owner = THIS_MODULE,
};
-static struct dlm_cluster *to_cluster(struct config_item *i)
+static struct dlm_cluster *config_item_to_cluster(struct config_item *i)
{
return i ? container_of(to_config_group(i), struct dlm_cluster, group) :
NULL;
}
-static struct dlm_space *to_space(struct config_item *i)
+static struct dlm_space *config_item_to_space(struct config_item *i)
{
return i ? container_of(to_config_group(i), struct dlm_space, group) :
NULL;
}
-static struct dlm_comm *to_comm(struct config_item *i)
+static struct dlm_comm *config_item_to_comm(struct config_item *i)
{
return i ? container_of(i, struct dlm_comm, item) : NULL;
}
-static struct dlm_node *to_node(struct config_item *i)
+static struct dlm_node *config_item_to_node(struct config_item *i)
{
return i ? container_of(i, struct dlm_node, item) : NULL;
}
@@ -407,10 +457,10 @@ static struct config_group *make_cluster(struct config_group *g,
struct dlm_comms *cms = NULL;
void *gps = NULL;
- cl = kzalloc(sizeof(struct dlm_cluster), GFP_KERNEL);
- gps = kcalloc(3, sizeof(struct config_group *), GFP_KERNEL);
- sps = kzalloc(sizeof(struct dlm_spaces), GFP_KERNEL);
- cms = kzalloc(sizeof(struct dlm_comms), GFP_KERNEL);
+ cl = kzalloc(sizeof(struct dlm_cluster), GFP_NOFS);
+ gps = kcalloc(3, sizeof(struct config_group *), GFP_NOFS);
+ sps = kzalloc(sizeof(struct dlm_spaces), GFP_NOFS);
+ cms = kzalloc(sizeof(struct dlm_comms), GFP_NOFS);
if (!cl || !gps || !sps || !cms)
goto fail;
@@ -427,14 +477,17 @@ static struct config_group *make_cluster(struct config_group *g,
cl->cl_tcp_port = dlm_config.ci_tcp_port;
cl->cl_buffer_size = dlm_config.ci_buffer_size;
cl->cl_rsbtbl_size = dlm_config.ci_rsbtbl_size;
- cl->cl_lkbtbl_size = dlm_config.ci_lkbtbl_size;
- cl->cl_dirtbl_size = dlm_config.ci_dirtbl_size;
cl->cl_recover_timer = dlm_config.ci_recover_timer;
cl->cl_toss_secs = dlm_config.ci_toss_secs;
cl->cl_scan_secs = dlm_config.ci_scan_secs;
cl->cl_log_debug = dlm_config.ci_log_debug;
cl->cl_protocol = dlm_config.ci_protocol;
cl->cl_timewarn_cs = dlm_config.ci_timewarn_cs;
+ cl->cl_waitwarn_us = dlm_config.ci_waitwarn_us;
+ cl->cl_new_rsb_count = dlm_config.ci_new_rsb_count;
+ cl->cl_recover_callbacks = dlm_config.ci_recover_callbacks;
+ memcpy(cl->cl_cluster_name, dlm_config.ci_cluster_name,
+ DLM_LOCKSPACE_LEN);
space_list = &sps->ss_group;
comm_list = &cms->cs_group;
@@ -450,7 +503,7 @@ static struct config_group *make_cluster(struct config_group *g,
static void drop_cluster(struct config_group *g, struct config_item *i)
{
- struct dlm_cluster *cl = to_cluster(i);
+ struct dlm_cluster *cl = config_item_to_cluster(i);
struct config_item *tmp;
int j;
@@ -468,7 +521,7 @@ static void drop_cluster(struct config_group *g, struct config_item *i)
static void release_cluster(struct config_item *i)
{
- struct dlm_cluster *cl = to_cluster(i);
+ struct dlm_cluster *cl = config_item_to_cluster(i);
kfree(cl->group.default_groups);
kfree(cl);
}
@@ -479,9 +532,9 @@ static struct config_group *make_space(struct config_group *g, const char *name)
struct dlm_nodes *nds = NULL;
void *gps = NULL;
- sp = kzalloc(sizeof(struct dlm_space), GFP_KERNEL);
- gps = kcalloc(2, sizeof(struct config_group *), GFP_KERNEL);
- nds = kzalloc(sizeof(struct dlm_nodes), GFP_KERNEL);
+ sp = kzalloc(sizeof(struct dlm_space), GFP_NOFS);
+ gps = kcalloc(2, sizeof(struct config_group *), GFP_NOFS);
+ nds = kzalloc(sizeof(struct dlm_nodes), GFP_NOFS);
if (!sp || !gps || !nds)
goto fail;
@@ -507,7 +560,7 @@ static struct config_group *make_space(struct config_group *g, const char *name)
static void drop_space(struct config_group *g, struct config_item *i)
{
- struct dlm_space *sp = to_space(i);
+ struct dlm_space *sp = config_item_to_space(i);
struct config_item *tmp;
int j;
@@ -524,7 +577,7 @@ static void drop_space(struct config_group *g, struct config_item *i)
static void release_space(struct config_item *i)
{
- struct dlm_space *sp = to_space(i);
+ struct dlm_space *sp = config_item_to_space(i);
kfree(sp->group.default_groups);
kfree(sp);
}
@@ -533,11 +586,16 @@ static struct config_item *make_comm(struct config_group *g, const char *name)
{
struct dlm_comm *cm;
- cm = kzalloc(sizeof(struct dlm_comm), GFP_KERNEL);
+ cm = kzalloc(sizeof(struct dlm_comm), GFP_NOFS);
if (!cm)
return ERR_PTR(-ENOMEM);
config_item_init_type_name(&cm->item, name, &comm_type);
+
+ cm->seq = dlm_comm_count++;
+ if (!cm->seq)
+ cm->seq = dlm_comm_count++;
+
cm->nodeid = -1;
cm->local = 0;
cm->addr_count = 0;
@@ -546,7 +604,7 @@ static struct config_item *make_comm(struct config_group *g, const char *name)
static void drop_comm(struct config_group *g, struct config_item *i)
{
- struct dlm_comm *cm = to_comm(i);
+ struct dlm_comm *cm = config_item_to_comm(i);
if (local_comm == cm)
local_comm = NULL;
dlm_lowcomms_close(cm->nodeid);
@@ -557,16 +615,16 @@ static void drop_comm(struct config_group *g, struct config_item *i)
static void release_comm(struct config_item *i)
{
- struct dlm_comm *cm = to_comm(i);
+ struct dlm_comm *cm = config_item_to_comm(i);
kfree(cm);
}
static struct config_item *make_node(struct config_group *g, const char *name)
{
- struct dlm_space *sp = to_space(g->cg_item.ci_parent);
+ struct dlm_space *sp = config_item_to_space(g->cg_item.ci_parent);
struct dlm_node *nd;
- nd = kzalloc(sizeof(struct dlm_node), GFP_KERNEL);
+ nd = kzalloc(sizeof(struct dlm_node), GFP_NOFS);
if (!nd)
return ERR_PTR(-ENOMEM);
@@ -585,8 +643,8 @@ static struct config_item *make_node(struct config_group *g, const char *name)
static void drop_node(struct config_group *g, struct config_item *i)
{
- struct dlm_space *sp = to_space(g->cg_item.ci_parent);
- struct dlm_node *nd = to_node(i);
+ struct dlm_space *sp = config_item_to_space(g->cg_item.ci_parent);
+ struct dlm_node *nd = config_item_to_node(i);
mutex_lock(&sp->members_lock);
list_del(&nd->list);
@@ -598,7 +656,7 @@ static void drop_node(struct config_group *g, struct config_item *i)
static void release_node(struct config_item *i)
{
- struct dlm_node *nd = to_node(i);
+ struct dlm_node *nd = config_item_to_node(i);
kfree(nd);
}
@@ -632,7 +690,7 @@ void dlm_config_exit(void)
static ssize_t show_cluster(struct config_item *i, struct configfs_attribute *a,
char *buf)
{
- struct dlm_cluster *cl = to_cluster(i);
+ struct dlm_cluster *cl = config_item_to_cluster(i);
struct cluster_attribute *cla =
container_of(a, struct cluster_attribute, attr);
return cla->show ? cla->show(cl, buf) : 0;
@@ -642,7 +700,7 @@ static ssize_t store_cluster(struct config_item *i,
struct configfs_attribute *a,
const char *buf, size_t len)
{
- struct dlm_cluster *cl = to_cluster(i);
+ struct dlm_cluster *cl = config_item_to_cluster(i);
struct cluster_attribute *cla =
container_of(a, struct cluster_attribute, attr);
return cla->store ? cla->store(cl, buf, len) : -EINVAL;
@@ -651,7 +709,7 @@ static ssize_t store_cluster(struct config_item *i,
static ssize_t show_comm(struct config_item *i, struct configfs_attribute *a,
char *buf)
{
- struct dlm_comm *cm = to_comm(i);
+ struct dlm_comm *cm = config_item_to_comm(i);
struct comm_attribute *cma =
container_of(a, struct comm_attribute, attr);
return cma->show ? cma->show(cm, buf) : 0;
@@ -660,7 +718,7 @@ static ssize_t show_comm(struct config_item *i, struct configfs_attribute *a,
static ssize_t store_comm(struct config_item *i, struct configfs_attribute *a,
const char *buf, size_t len)
{
- struct dlm_comm *cm = to_comm(i);
+ struct dlm_comm *cm = config_item_to_comm(i);
struct comm_attribute *cma =
container_of(a, struct comm_attribute, attr);
return cma->store ? cma->store(cm, buf, len) : -EINVAL;
@@ -674,7 +732,10 @@ static ssize_t comm_nodeid_read(struct dlm_comm *cm, char *buf)
static ssize_t comm_nodeid_write(struct dlm_comm *cm, const char *buf,
size_t len)
{
- cm->nodeid = simple_strtol(buf, NULL, 0);
+ int rc = kstrtoint(buf, 0, &cm->nodeid);
+
+ if (rc)
+ return rc;
return len;
}
@@ -686,7 +747,10 @@ static ssize_t comm_local_read(struct dlm_comm *cm, char *buf)
static ssize_t comm_local_write(struct dlm_comm *cm, const char *buf,
size_t len)
{
- cm->local= simple_strtol(buf, NULL, 0);
+ int rc = kstrtoint(buf, 0, &cm->local);
+
+ if (rc)
+ return rc;
if (cm->local && !local_comm)
local_comm = cm;
return len;
@@ -695,6 +759,7 @@ static ssize_t comm_local_write(struct dlm_comm *cm, const char *buf,
static ssize_t comm_addr_write(struct dlm_comm *cm, const char *buf, size_t len)
{
struct sockaddr_storage *addr;
+ int rv;
if (len != sizeof(struct sockaddr_storage))
return -EINVAL;
@@ -702,19 +767,70 @@ static ssize_t comm_addr_write(struct dlm_comm *cm, const char *buf, size_t len)
if (cm->addr_count >= DLM_MAX_ADDR_COUNT)
return -ENOSPC;
- addr = kzalloc(sizeof(*addr), GFP_KERNEL);
+ addr = kzalloc(sizeof(*addr), GFP_NOFS);
if (!addr)
return -ENOMEM;
memcpy(addr, buf, len);
+
+ rv = dlm_lowcomms_addr(cm->nodeid, addr, len);
+ if (rv) {
+ kfree(addr);
+ return rv;
+ }
+
cm->addr[cm->addr_count++] = addr;
return len;
}
+static ssize_t comm_addr_list_read(struct dlm_comm *cm, char *buf)
+{
+ ssize_t s;
+ ssize_t allowance;
+ int i;
+ struct sockaddr_storage *addr;
+ struct sockaddr_in *addr_in;
+ struct sockaddr_in6 *addr_in6;
+
+ /* Taken from ip6_addr_string() defined in lib/vsprintf.c */
+ char buf0[sizeof("AF_INET6 xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:255.255.255.255\n")];
+
+
+ /* Derived from SIMPLE_ATTR_SIZE of fs/configfs/file.c */
+ allowance = 4096;
+ buf[0] = '\0';
+
+ for (i = 0; i < cm->addr_count; i++) {
+ addr = cm->addr[i];
+
+ switch(addr->ss_family) {
+ case AF_INET:
+ addr_in = (struct sockaddr_in *)addr;
+ s = sprintf(buf0, "AF_INET %pI4\n", &addr_in->sin_addr.s_addr);
+ break;
+ case AF_INET6:
+ addr_in6 = (struct sockaddr_in6 *)addr;
+ s = sprintf(buf0, "AF_INET6 %pI6\n", &addr_in6->sin6_addr);
+ break;
+ default:
+ s = sprintf(buf0, "%s\n", "<UNKNOWN>");
+ break;
+ }
+ allowance -= s;
+ if (allowance >= 0)
+ strcat(buf, buf0);
+ else {
+ allowance += s;
+ break;
+ }
+ }
+ return 4096 - allowance;
+}
+
static ssize_t show_node(struct config_item *i, struct configfs_attribute *a,
char *buf)
{
- struct dlm_node *nd = to_node(i);
+ struct dlm_node *nd = config_item_to_node(i);
struct node_attribute *nda =
container_of(a, struct node_attribute, attr);
return nda->show ? nda->show(nd, buf) : 0;
@@ -723,7 +839,7 @@ static ssize_t show_node(struct config_item *i, struct configfs_attribute *a,
static ssize_t store_node(struct config_item *i, struct configfs_attribute *a,
const char *buf, size_t len)
{
- struct dlm_node *nd = to_node(i);
+ struct dlm_node *nd = config_item_to_node(i);
struct node_attribute *nda =
container_of(a, struct node_attribute, attr);
return nda->store ? nda->store(nd, buf, len) : -EINVAL;
@@ -737,7 +853,13 @@ static ssize_t node_nodeid_read(struct dlm_node *nd, char *buf)
static ssize_t node_nodeid_write(struct dlm_node *nd, const char *buf,
size_t len)
{
- nd->nodeid = simple_strtol(buf, NULL, 0);
+ uint32_t seq = 0;
+ int rc = kstrtoint(buf, 0, &nd->nodeid);
+
+ if (rc)
+ return rc;
+ dlm_comm_seq(nd->nodeid, &seq);
+ nd->comm_seq = seq;
return len;
}
@@ -749,7 +871,10 @@ static ssize_t node_weight_read(struct dlm_node *nd, char *buf)
static ssize_t node_weight_write(struct dlm_node *nd, const char *buf,
size_t len)
{
- nd->weight = simple_strtol(buf, NULL, 0);
+ int rc = kstrtoint(buf, 0, &nd->weight);
+
+ if (rc)
+ return rc;
return len;
}
@@ -768,7 +893,7 @@ static struct dlm_space *get_space(char *name)
i = config_group_find_item(space_list, name);
mutex_unlock(&space_list->cg_subsys->su_mutex);
- return to_space(i);
+ return config_item_to_space(i);
}
static void put_space(struct dlm_space *sp)
@@ -776,7 +901,7 @@ static void put_space(struct dlm_space *sp)
config_item_put(&sp->group.cg_item);
}
-static struct dlm_comm *get_comm(int nodeid, struct sockaddr_storage *addr)
+static struct dlm_comm *get_comm(int nodeid)
{
struct config_item *i;
struct dlm_comm *cm = NULL;
@@ -788,22 +913,13 @@ static struct dlm_comm *get_comm(int nodeid, struct sockaddr_storage *addr)
mutex_lock(&clusters_root.subsys.su_mutex);
list_for_each_entry(i, &comm_list->cg_children, ci_entry) {
- cm = to_comm(i);
+ cm = config_item_to_comm(i);
- if (nodeid) {
- if (cm->nodeid != nodeid)
- continue;
- found = 1;
- config_item_get(i);
- break;
- } else {
- if (!cm->addr_count ||
- memcmp(cm->addr[0], addr, sizeof(*addr)))
- continue;
- found = 1;
- config_item_get(i);
- break;
- }
+ if (cm->nodeid != nodeid)
+ continue;
+ found = 1;
+ config_item_get(i);
+ break;
}
mutex_unlock(&clusters_root.subsys.su_mutex);
@@ -818,13 +934,13 @@ static void put_comm(struct dlm_comm *cm)
}
/* caller must free mem */
-int dlm_nodeid_list(char *lsname, int **ids_out, int *ids_count_out,
- int **new_out, int *new_count_out)
+int dlm_config_nodes(char *lsname, struct dlm_config_node **nodes_out,
+ int *count_out)
{
struct dlm_space *sp;
struct dlm_node *nd;
- int i = 0, rv = 0, ids_count = 0, new_count = 0;
- int *ids, *new;
+ struct dlm_config_node *nodes, *node;
+ int rv, count;
sp = get_space(lsname);
if (!sp)
@@ -837,93 +953,40 @@ int dlm_nodeid_list(char *lsname, int **ids_out, int *ids_count_out,
goto out;
}
- ids_count = sp->members_count;
+ count = sp->members_count;
- ids = kcalloc(ids_count, sizeof(int), GFP_KERNEL);
- if (!ids) {
+ nodes = kcalloc(count, sizeof(struct dlm_config_node), GFP_NOFS);
+ if (!nodes) {
rv = -ENOMEM;
goto out;
}
+ node = nodes;
list_for_each_entry(nd, &sp->members, list) {
- ids[i++] = nd->nodeid;
- if (nd->new)
- new_count++;
- }
-
- if (ids_count != i)
- printk(KERN_ERR "dlm: bad nodeid count %d %d\n", ids_count, i);
+ node->nodeid = nd->nodeid;
+ node->weight = nd->weight;
+ node->new = nd->new;
+ node->comm_seq = nd->comm_seq;
+ node++;
- if (!new_count)
- goto out_ids;
-
- new = kcalloc(new_count, sizeof(int), GFP_KERNEL);
- if (!new) {
- kfree(ids);
- rv = -ENOMEM;
- goto out;
+ nd->new = 0;
}
- i = 0;
- list_for_each_entry(nd, &sp->members, list) {
- if (nd->new) {
- new[i++] = nd->nodeid;
- nd->new = 0;
- }
- }
- *new_count_out = new_count;
- *new_out = new;
-
- out_ids:
- *ids_count_out = ids_count;
- *ids_out = ids;
+ *count_out = count;
+ *nodes_out = nodes;
+ rv = 0;
out:
mutex_unlock(&sp->members_lock);
put_space(sp);
return rv;
}
-int dlm_node_weight(char *lsname, int nodeid)
-{
- struct dlm_space *sp;
- struct dlm_node *nd;
- int w = -EEXIST;
-
- sp = get_space(lsname);
- if (!sp)
- goto out;
-
- mutex_lock(&sp->members_lock);
- list_for_each_entry(nd, &sp->members, list) {
- if (nd->nodeid != nodeid)
- continue;
- w = nd->weight;
- break;
- }
- mutex_unlock(&sp->members_lock);
- put_space(sp);
- out:
- return w;
-}
-
-int dlm_nodeid_to_addr(int nodeid, struct sockaddr_storage *addr)
-{
- struct dlm_comm *cm = get_comm(nodeid, NULL);
- if (!cm)
- return -EEXIST;
- if (!cm->addr_count)
- return -ENOENT;
- memcpy(addr, cm->addr[0], sizeof(*addr));
- put_comm(cm);
- return 0;
-}
-
-int dlm_addr_to_nodeid(struct sockaddr_storage *addr, int *nodeid)
+int dlm_comm_seq(int nodeid, uint32_t *seq)
{
- struct dlm_comm *cm = get_comm(0, addr);
+ struct dlm_comm *cm = get_comm(nodeid);
if (!cm)
return -EEXIST;
- *nodeid = cm->nodeid;
+ *seq = cm->seq;
put_comm(cm);
return 0;
}
@@ -947,27 +1010,31 @@ int dlm_our_addr(struct sockaddr_storage *addr, int num)
/* Config file defaults */
#define DEFAULT_TCP_PORT 21064
#define DEFAULT_BUFFER_SIZE 4096
-#define DEFAULT_RSBTBL_SIZE 256
-#define DEFAULT_LKBTBL_SIZE 1024
-#define DEFAULT_DIRTBL_SIZE 512
+#define DEFAULT_RSBTBL_SIZE 1024
#define DEFAULT_RECOVER_TIMER 5
#define DEFAULT_TOSS_SECS 10
#define DEFAULT_SCAN_SECS 5
#define DEFAULT_LOG_DEBUG 0
#define DEFAULT_PROTOCOL 0
#define DEFAULT_TIMEWARN_CS 500 /* 5 sec = 500 centiseconds */
+#define DEFAULT_WAITWARN_US 0
+#define DEFAULT_NEW_RSB_COUNT 128
+#define DEFAULT_RECOVER_CALLBACKS 0
+#define DEFAULT_CLUSTER_NAME ""
struct dlm_config_info dlm_config = {
.ci_tcp_port = DEFAULT_TCP_PORT,
.ci_buffer_size = DEFAULT_BUFFER_SIZE,
.ci_rsbtbl_size = DEFAULT_RSBTBL_SIZE,
- .ci_lkbtbl_size = DEFAULT_LKBTBL_SIZE,
- .ci_dirtbl_size = DEFAULT_DIRTBL_SIZE,
.ci_recover_timer = DEFAULT_RECOVER_TIMER,
.ci_toss_secs = DEFAULT_TOSS_SECS,
.ci_scan_secs = DEFAULT_SCAN_SECS,
.ci_log_debug = DEFAULT_LOG_DEBUG,
.ci_protocol = DEFAULT_PROTOCOL,
- .ci_timewarn_cs = DEFAULT_TIMEWARN_CS
+ .ci_timewarn_cs = DEFAULT_TIMEWARN_CS,
+ .ci_waitwarn_us = DEFAULT_WAITWARN_US,
+ .ci_new_rsb_count = DEFAULT_NEW_RSB_COUNT,
+ .ci_recover_callbacks = DEFAULT_RECOVER_CALLBACKS,
+ .ci_cluster_name = DEFAULT_CLUSTER_NAME
};
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 20:52:28 +0000