Use configfs to configure lockspace members and node addresses. This was
previously done with sysfs and ioctl.
Signed-off-by: David Teigland <[email protected]>
---
drivers/dlm/Makefile | 1
drivers/dlm/config.c | 759 ++++++++++++++++++++++++++++++++++++++++++++-
drivers/dlm/config.h | 12
drivers/dlm/dlm_internal.h | 2
drivers/dlm/lockspace.c | 7
drivers/dlm/lowcomms.c | 195 +----------
drivers/dlm/lowcomms.h | 4
drivers/dlm/main.c | 18 -
drivers/dlm/member.c | 40 +-
drivers/dlm/member_sysfs.c | 76 ----
drivers/dlm/node_ioctl.c | 126 -------
drivers/dlm/requestqueue.c | 2
include/linux/dlm_node.h | 44 --
13 files changed, 828 insertions(+), 458 deletions(-)
diff -urpN a/drivers/dlm/Makefile b/drivers/dlm/Makefile
--- a/drivers/dlm/Makefile 2005-08-17 17:19:22.000000000 +0800
+++ b/drivers/dlm/Makefile 2005-08-18 13:22:00.718154328 +0800
@@ -12,7 +12,6 @@ dlm-y := ast.o \
member_sysfs.o \
memory.o \
midcomms.o \
- node_ioctl.o \
rcom.o \
recover.o \
recoverd.o \
diff -urpN a/drivers/dlm/config.c b/drivers/dlm/config.c
--- a/drivers/dlm/config.c 2005-08-17 17:19:22.000000000 +0800
+++ b/drivers/dlm/config.c 2005-08-18 13:22:00.719154176 +0800
@@ -11,9 +11,756 @@
*******************************************************************************
******************************************************************************/
-#include "dlm_internal.h"
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/configfs.h>
+#include <net/sock.h>
+
#include "config.h"
+/*
+ * /config/dlm/<cluster>/spaces/<space>/nodes/<node>/nodeid
+ * /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
+ * 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 comm *local_comm;
+
+struct clusters;
+struct cluster;
+struct spaces;
+struct space;
+struct comms;
+struct comm;
+struct nodes;
+struct node;
+
+static struct config_group *make_cluster(struct config_group *, const char *);
+static void drop_cluster(struct config_group *, struct config_item *);
+static void release_cluster(struct config_item *);
+static struct config_group *make_space(struct config_group *, const char *);
+static void drop_space(struct config_group *, struct config_item *);
+static void release_space(struct config_item *);
+static struct config_item *make_comm(struct config_group *, const char *);
+static void drop_comm(struct config_group *, struct config_item *);
+static void release_comm(struct config_item *);
+static struct config_item *make_node(struct config_group *, const char *);
+static void drop_node(struct config_group *, struct config_item *);
+static void release_node(struct config_item *);
+
+static ssize_t show_comm(struct config_item *i, struct configfs_attribute *a,
+ char *buf);
+static ssize_t store_comm(struct config_item *i, struct configfs_attribute *a,
+ const char *buf, size_t len);
+static ssize_t show_node(struct config_item *i, struct configfs_attribute *a,
+ char *buf);
+static ssize_t store_node(struct config_item *i, struct configfs_attribute *a,
+ const char *buf, size_t len);
+
+static ssize_t comm_nodeid_read(struct comm *cm, char *buf);
+static ssize_t comm_nodeid_write(struct comm *cm, const char *buf, size_t len);
+static ssize_t comm_local_read(struct comm *cm, char *buf);
+static ssize_t comm_local_write(struct comm *cm, const char *buf, size_t len);
+static ssize_t comm_addr_write(struct comm *cm, const char *buf, size_t len);
+static ssize_t node_nodeid_read(struct node *nd, char *buf);
+static ssize_t node_nodeid_write(struct node *nd, const char *buf, size_t len);
+static ssize_t node_weight_read(struct node *nd, char *buf);
+static ssize_t node_weight_write(struct node *nd, const char *buf, size_t len);
+
+enum {
+ COMM_ATTR_NODEID = 0,
+ COMM_ATTR_LOCAL,
+ COMM_ATTR_ADDR,
+};
+
+struct comm_attribute {
+ struct configfs_attribute attr;
+ ssize_t (*show)(struct comm *, char *);
+ ssize_t (*store)(struct comm *, const char *, size_t);
+};
+
+static struct comm_attribute comm_attr_nodeid = {
+ .attr = { .ca_owner = THIS_MODULE,
+ .ca_name = "nodeid",
+ .ca_mode = S_IRUGO | S_IWUSR },
+ .show = comm_nodeid_read,
+ .store = comm_nodeid_write,
+};
+
+static struct comm_attribute comm_attr_local = {
+ .attr = { .ca_owner = THIS_MODULE,
+ .ca_name = "local",
+ .ca_mode = S_IRUGO | S_IWUSR },
+ .show = comm_local_read,
+ .store = comm_local_write,
+};
+
+static struct comm_attribute comm_attr_addr = {
+ .attr = { .ca_owner = THIS_MODULE,
+ .ca_name = "addr",
+ .ca_mode = S_IRUGO | S_IWUSR },
+ .store = comm_addr_write,
+};
+
+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,
+ NULL,
+};
+
+enum {
+ NODE_ATTR_NODEID = 0,
+ NODE_ATTR_WEIGHT,
+};
+
+struct node_attribute {
+ struct configfs_attribute attr;
+ ssize_t (*show)(struct node *, char *);
+ ssize_t (*store)(struct node *, const char *, size_t);
+};
+
+static struct node_attribute node_attr_nodeid = {
+ .attr = { .ca_owner = THIS_MODULE,
+ .ca_name = "nodeid",
+ .ca_mode = S_IRUGO | S_IWUSR },
+ .show = node_nodeid_read,
+ .store = node_nodeid_write,
+};
+
+static struct node_attribute node_attr_weight = {
+ .attr = { .ca_owner = THIS_MODULE,
+ .ca_name = "weight",
+ .ca_mode = S_IRUGO | S_IWUSR },
+ .show = node_weight_read,
+ .store = node_weight_write,
+};
+
+static struct configfs_attribute *node_attrs[] = {
+ [NODE_ATTR_NODEID] = &node_attr_nodeid.attr,
+ [NODE_ATTR_WEIGHT] = &node_attr_weight.attr,
+ NULL,
+};
+
+struct clusters {
+ struct configfs_subsystem subsys;
+};
+
+struct cluster {
+ struct config_group group;
+};
+
+struct spaces {
+ struct config_group ss_group;
+};
+
+struct space {
+ struct config_group group;
+ struct list_head members;
+ struct semaphore members_lock;
+ int members_count;
+};
+
+struct comms {
+ struct config_group cs_group;
+};
+
+struct comm {
+ struct config_item item;
+ int nodeid;
+ int local;
+ int addr_count;
+ struct sockaddr_storage *addr[DLM_MAX_ADDR_COUNT];
+};
+
+struct nodes {
+ struct config_group ns_group;
+};
+
+struct node {
+ struct config_item item;
+ struct list_head list; /* space->members */
+ int nodeid;
+ int weight;
+};
+
+static struct configfs_group_operations clusters_ops = {
+ .make_group = make_cluster,
+ .drop_item = drop_cluster,
+};
+
+static struct configfs_item_operations cluster_ops = {
+ .release = release_cluster,
+};
+
+static struct configfs_group_operations spaces_ops = {
+ .make_group = make_space,
+ .drop_item = drop_space,
+};
+
+static struct configfs_item_operations space_ops = {
+ .release = release_space,
+};
+
+static struct configfs_group_operations comms_ops = {
+ .make_item = make_comm,
+ .drop_item = drop_comm,
+};
+
+static struct configfs_item_operations comm_ops = {
+ .release = release_comm,
+ .show_attribute = show_comm,
+ .store_attribute = store_comm,
+};
+
+static struct configfs_group_operations nodes_ops = {
+ .make_item = make_node,
+ .drop_item = drop_node,
+};
+
+static struct configfs_item_operations node_ops = {
+ .release = release_node,
+ .show_attribute = show_node,
+ .store_attribute = store_node,
+};
+
+static struct config_item_type clusters_type = {
+ .ct_group_ops = &clusters_ops,
+ .ct_owner = THIS_MODULE,
+};
+
+static struct config_item_type cluster_type = {
+ .ct_item_ops = &cluster_ops,
+ .ct_owner = THIS_MODULE,
+};
+
+static struct config_item_type spaces_type = {
+ .ct_group_ops = &spaces_ops,
+ .ct_owner = THIS_MODULE,
+};
+
+static struct config_item_type space_type = {
+ .ct_item_ops = &space_ops,
+ .ct_owner = THIS_MODULE,
+};
+
+static struct config_item_type comms_type = {
+ .ct_group_ops = &comms_ops,
+ .ct_owner = THIS_MODULE,
+};
+
+static struct config_item_type comm_type = {
+ .ct_item_ops = &comm_ops,
+ .ct_attrs = comm_attrs,
+ .ct_owner = THIS_MODULE,
+};
+
+static struct config_item_type nodes_type = {
+ .ct_group_ops = &nodes_ops,
+ .ct_owner = THIS_MODULE,
+};
+
+static struct config_item_type node_type = {
+ .ct_item_ops = &node_ops,
+ .ct_attrs = node_attrs,
+ .ct_owner = THIS_MODULE,
+};
+
+static struct cluster *to_cluster(struct config_item *i)
+{
+ return i ? container_of(to_config_group(i), struct cluster, group):NULL;
+}
+
+static struct space *to_space(struct config_item *i)
+{
+ return i ? container_of(to_config_group(i), struct space, group) : NULL;
+}
+
+static struct comm *to_comm(struct config_item *i)
+{
+ return i ? container_of(i, struct comm, item) : NULL;
+}
+
+static struct node *to_node(struct config_item *i)
+{
+ return i ? container_of(i, struct node, item) : NULL;
+}
+
+static struct config_group *make_cluster(struct config_group *g,
+ const char *name)
+{
+ struct cluster *cl = NULL;
+ struct spaces *sps = NULL;
+ struct comms *cms = NULL;
+ void *gps = NULL;
+
+ cl = kzalloc(sizeof(struct cluster), GFP_KERNEL);
+ gps = kcalloc(3, sizeof(struct config_group *), GFP_KERNEL);
+ sps = kzalloc(sizeof(struct spaces), GFP_KERNEL);
+ cms = kzalloc(sizeof(struct comms), GFP_KERNEL);
+
+ if (!cl || !gps || !sps || !cms)
+ goto fail;
+
+ config_group_init_type_name(&cl->group, name, &cluster_type);
+ config_group_init_type_name(&sps->ss_group, "spaces", &spaces_type);
+ config_group_init_type_name(&cms->cs_group, "comms", &comms_type);
+
+ cl->group.default_groups = gps;
+ cl->group.default_groups[0] = &sps->ss_group;
+ cl->group.default_groups[1] = &cms->cs_group;
+ cl->group.default_groups[2] = NULL;
+
+ space_list = &sps->ss_group;
+ comm_list = &cms->cs_group;
+ return &cl->group;
+
+ fail:
+ kfree(cl);
+ kfree(gps);
+ kfree(sps);
+ kfree(cms);
+ return NULL;
+}
+
+static void drop_cluster(struct config_group *g, struct config_item *i)
+{
+ struct cluster *cl = to_cluster(i);
+ struct config_item *tmp;
+ int j;
+
+ for (j = 0; cl->group.default_groups[j]; j++) {
+ tmp = &cl->group.default_groups[j]->cg_item;
+ cl->group.default_groups[j] = NULL;
+ config_item_put(tmp);
+ }
+
+ space_list = NULL;
+ comm_list = NULL;
+
+ config_item_put(i);
+}
+
+static void release_cluster(struct config_item *i)
+{
+ struct cluster *cl = to_cluster(i);
+ kfree(cl->group.default_groups);
+ kfree(cl);
+}
+
+static struct config_group *make_space(struct config_group *g, const char *name)
+{
+ struct space *sp = NULL;
+ struct nodes *nds = NULL;
+ void *gps = NULL;
+
+ sp = kzalloc(sizeof(struct space), GFP_KERNEL);
+ gps = kcalloc(2, sizeof(struct config_group *), GFP_KERNEL);
+ nds = kzalloc(sizeof(struct nodes), GFP_KERNEL);
+
+ if (!sp || !gps || !nds)
+ goto fail;
+
+ config_group_init_type_name(&sp->group, name, &space_type);
+ config_group_init_type_name(&nds->ns_group, "nodes", &nodes_type);
+
+ sp->group.default_groups = gps;
+ sp->group.default_groups[0] = &nds->ns_group;
+ sp->group.default_groups[1] = NULL;
+
+ INIT_LIST_HEAD(&sp->members);
+ init_MUTEX(&sp->members_lock);
+ sp->members_count = 0;
+ return &sp->group;
+
+ fail:
+ kfree(sp);
+ kfree(gps);
+ kfree(nds);
+ return NULL;
+}
+
+static void drop_space(struct config_group *g, struct config_item *i)
+{
+ struct space *sp = to_space(i);
+ struct config_item *tmp;
+ int j;
+
+ /* assert list_empty(&sp->members) */
+
+ for (j = 0; sp->group.default_groups[j]; j++) {
+ tmp = &sp->group.default_groups[j]->cg_item;
+ sp->group.default_groups[j] = NULL;
+ config_item_put(tmp);
+ }
+
+ config_item_put(i);
+}
+
+static void release_space(struct config_item *i)
+{
+ struct space *sp = to_space(i);
+ kfree(sp->group.default_groups);
+ kfree(sp);
+}
+
+static struct config_item *make_comm(struct config_group *g, const char *name)
+{
+ struct comm *cm;
+
+ cm = kzalloc(sizeof(struct comm), GFP_KERNEL);
+ if (!cm)
+ return NULL;
+
+ config_item_init_type_name(&cm->item, name, &comm_type);
+ cm->nodeid = -1;
+ cm->local = 0;
+ cm->addr_count = 0;
+ return &cm->item;
+}
+
+static void drop_comm(struct config_group *g, struct config_item *i)
+{
+ struct comm *cm = to_comm(i);
+ if (local_comm == cm)
+ local_comm = NULL;
+ while (cm->addr_count--)
+ kfree(cm->addr[cm->addr_count]);
+ config_item_put(i);
+}
+
+static void release_comm(struct config_item *i)
+{
+ struct comm *cm = to_comm(i);
+ kfree(cm);
+}
+
+static struct config_item *make_node(struct config_group *g, const char *name)
+{
+ struct space *sp = to_space(g->cg_item.ci_parent);
+ struct node *nd;
+
+ nd = kzalloc(sizeof(struct node), GFP_KERNEL);
+ if (!nd)
+ return NULL;
+
+ config_item_init_type_name(&nd->item, name, &node_type);
+ nd->nodeid = -1;
+ nd->weight = 1; /* default weight of 1 if none is set */
+
+ down(&sp->members_lock);
+ list_add(&nd->list, &sp->members);
+ sp->members_count++;
+ up(&sp->members_lock);
+
+ return &nd->item;
+}
+
+static void drop_node(struct config_group *g, struct config_item *i)
+{
+ struct space *sp = to_space(g->cg_item.ci_parent);
+ struct node *nd = to_node(i);
+
+ down(&sp->members_lock);
+ list_del(&nd->list);
+ sp->members_count--;
+ up(&sp->members_lock);
+
+ config_item_put(i);
+}
+
+static void release_node(struct config_item *i)
+{
+ struct node *nd = to_node(i);
+ kfree(nd);
+}
+
+static struct clusters clusters_root = {
+ .subsys = {
+ .su_group = {
+ .cg_item = {
+ .ci_namebuf = "dlm",
+ .ci_type = &clusters_type,
+ },
+ },
+ },
+};
+
+int dlm_config_init(void)
+{
+ config_group_init(&clusters_root.subsys.su_group);
+ init_MUTEX(&clusters_root.subsys.su_sem);
+ return configfs_register_subsystem(&clusters_root.subsys);
+}
+
+void dlm_config_exit(void)
+{
+ configfs_unregister_subsystem(&clusters_root.subsys);
+}
+
+/*
+ * Functions for user space to read/write attributes
+ */
+
+static ssize_t show_comm(struct config_item *i, struct configfs_attribute *a,
+ char *buf)
+{
+ struct comm *cm = to_comm(i);
+ struct comm_attribute *cma =
+ container_of(a, struct comm_attribute, attr);
+ return cma->show ? cma->show(cm, buf) : 0;
+}
+
+static ssize_t store_comm(struct config_item *i, struct configfs_attribute *a,
+ const char *buf, size_t len)
+{
+ struct comm *cm = to_comm(i);
+ struct comm_attribute *cma =
+ container_of(a, struct comm_attribute, attr);
+ return cma->store ? cma->store(cm, buf, len) : -EINVAL;
+}
+
+static ssize_t comm_nodeid_read(struct comm *cm, char *buf)
+{
+ return sprintf(buf, "%d\n", cm->nodeid);
+}
+
+static ssize_t comm_nodeid_write(struct comm *cm, const char *buf, size_t len)
+{
+ cm->nodeid = simple_strtol(buf, NULL, 0);
+ return len;
+}
+
+static ssize_t comm_local_read(struct comm *cm, char *buf)
+{
+ return sprintf(buf, "%d\n", cm->local);
+}
+
+static ssize_t comm_local_write(struct comm *cm, const char *buf, size_t len)
+{
+ cm->local= simple_strtol(buf, NULL, 0);
+ if (cm->local && !local_comm)
+ local_comm = cm;
+ return len;
+}
+
+static ssize_t comm_addr_write(struct comm *cm, const char *buf, size_t len)
+{
+ struct sockaddr_storage *addr;
+
+ if (len != sizeof(struct sockaddr_storage))
+ return -EINVAL;
+
+ if (cm->addr_count >= DLM_MAX_ADDR_COUNT)
+ return -ENOSPC;
+
+ addr = kzalloc(sizeof(*addr), GFP_KERNEL);
+ if (!addr)
+ return -ENOMEM;
+
+ memcpy(addr, buf, len);
+ cm->addr[cm->addr_count++] = addr;
+ return len;
+}
+
+static ssize_t show_node(struct config_item *i, struct configfs_attribute *a,
+ char *buf)
+{
+ struct node *nd = to_node(i);
+ struct node_attribute *nda =
+ container_of(a, struct node_attribute, attr);
+ return nda->show ? nda->show(nd, buf) : 0;
+}
+
+static ssize_t store_node(struct config_item *i, struct configfs_attribute *a,
+ const char *buf, size_t len)
+{
+ struct node *nd = to_node(i);
+ struct node_attribute *nda =
+ container_of(a, struct node_attribute, attr);
+ return nda->store ? nda->store(nd, buf, len) : -EINVAL;
+}
+
+static ssize_t node_nodeid_read(struct node *nd, char *buf)
+{
+ return sprintf(buf, "%d\n", nd->nodeid);
+}
+
+static ssize_t node_nodeid_write(struct node *nd, const char *buf, size_t len)
+{
+ nd->nodeid = simple_strtol(buf, NULL, 0);
+ return len;
+}
+
+static ssize_t node_weight_read(struct node *nd, char *buf)
+{
+ return sprintf(buf, "%d\n", nd->weight);
+}
+
+static ssize_t node_weight_write(struct node *nd, const char *buf, size_t len)
+{
+ nd->weight = simple_strtol(buf, NULL, 0);
+ return len;
+}
+
+/*
+ * Functions for the dlm to get the info that's been configured
+ */
+
+static struct space *get_space(char *name)
+{
+ if (!space_list)
+ return NULL;
+ return to_space(config_group_find_obj(space_list, name));
+}
+
+static void put_space(struct space *sp)
+{
+ config_item_put(&sp->group.cg_item);
+}
+
+static struct comm *get_comm(int nodeid, struct sockaddr_storage *addr)
+{
+ struct config_item *i;
+ struct comm *cm;
+ int found = 0;
+
+ if (!comm_list)
+ return NULL;
+
+ list_for_each_entry(i, &comm_list->cg_children, ci_entry) {
+ cm = to_comm(i);
+
+ if (nodeid) {
+ if (cm->nodeid != nodeid)
+ continue;
+ found = 1;
+ break;
+ } else {
+ if (!cm->addr_count ||
+ memcmp(cm->addr[0], addr, sizeof(*addr)))
+ continue;
+ found = 1;
+ break;
+ }
+ }
+
+ if (found)
+ config_item_get(i);
+ else
+ cm = NULL;
+ return cm;
+}
+
+static void put_comm(struct comm *cm)
+{
+ config_item_put(&cm->item);
+}
+
+/* caller must free mem */
+int dlm_nodeid_list(char *lsname, int **ids_out)
+{
+ struct space *sp;
+ struct node *nd;
+ int i = 0, rv = 0;
+ int *ids;
+
+ sp = get_space(lsname);
+ if (!sp)
+ return -EEXIST;
+
+ down(&sp->members_lock);
+ if (!sp->members_count) {
+ rv = 0;
+ goto out;
+ }
+
+ ids = kcalloc(sp->members_count, sizeof(int), GFP_KERNEL);
+ if (!ids) {
+ rv = -ENOMEM;
+ goto out;
+ }
+
+ rv = sp->members_count;
+ list_for_each_entry(nd, &sp->members, list)
+ ids[i++] = nd->nodeid;
+
+ if (rv != i)
+ printk("bad nodeid count %d %d\n", rv, i);
+
+ *ids_out = ids;
+ out:
+ up(&sp->members_lock);
+ put_space(sp);
+ return rv;
+}
+
+int dlm_node_weight(char *lsname, int nodeid)
+{
+ struct space *sp;
+ struct node *nd;
+ int w = -EEXIST;
+
+ sp = get_space(lsname);
+ if (!sp)
+ goto out;
+
+ down(&sp->members_lock);
+ list_for_each_entry(nd, &sp->members, list) {
+ if (nd->nodeid != nodeid)
+ continue;
+ w = nd->weight;
+ break;
+ }
+ up(&sp->members_lock);
+ put_space(sp);
+ out:
+ return w;
+}
+
+int dlm_nodeid_to_addr(int nodeid, struct sockaddr_storage *addr)
+{
+ struct 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)
+{
+ struct comm *cm = get_comm(0, addr);
+ if (!cm)
+ return -EEXIST;
+ *nodeid = cm->nodeid;
+ put_comm(cm);
+ return 0;
+}
+
+int dlm_our_nodeid(void)
+{
+ return local_comm ? local_comm->nodeid : 0;
+}
+
+/* num 0 is first addr, num 1 is second addr */
+int dlm_our_addr(struct sockaddr_storage *addr, int num)
+{
+ if (!local_comm)
+ return -1;
+ if (num + 1 > local_comm->addr_count)
+ return -1;
+ memcpy(addr, local_comm->addr[num], sizeof(*addr));
+ return 0;
+}
+
/* Config file defaults */
#define DEFAULT_TCP_PORT 21064
#define DEFAULT_BUFFER_SIZE 4096
@@ -35,13 +782,3 @@ struct dlm_config_info dlm_config = {
.scan_secs = DEFAULT_SCAN_SECS
};
-int dlm_config_init(void)
-{
- /* FIXME: hook the config values into sysfs */
- return 0;
-}
-
-void dlm_config_exit(void)
-{
-}
-
diff -urpN a/drivers/dlm/config.h b/drivers/dlm/config.h
--- a/drivers/dlm/config.h 2005-08-17 17:19:22.000000000 +0800
+++ b/drivers/dlm/config.h 2005-08-18 13:22:00.720154024 +0800
@@ -14,6 +14,8 @@
#ifndef __CONFIG_DOT_H__
#define __CONFIG_DOT_H__
+#define DLM_MAX_ADDR_COUNT 3
+
struct dlm_config_info {
int tcp_port;
int buffer_size;
@@ -27,8 +29,14 @@ struct dlm_config_info {
extern struct dlm_config_info dlm_config;
-extern int dlm_config_init(void);
-extern void dlm_config_exit(void);
+int dlm_config_init(void);
+void dlm_config_exit(void);
+int dlm_node_weight(char *lsname, int nodeid);
+int dlm_nodeid_list(char *lsname, int **ids_out);
+int dlm_nodeid_to_addr(int nodeid, struct sockaddr_storage *addr);
+int dlm_addr_to_nodeid(struct sockaddr_storage *addr, int *nodeid);
+int dlm_our_nodeid(void);
+int dlm_our_addr(struct sockaddr_storage *addr, int num);
#endif /* __CONFIG_DOT_H__ */
diff -urpN a/drivers/dlm/dlm_internal.h b/drivers/dlm/dlm_internal.h
--- a/drivers/dlm/dlm_internal.h 2005-08-17 17:19:22.000000000 +0800
+++ b/drivers/dlm/dlm_internal.h 2005-08-18 13:22:00.720154024 +0800
@@ -457,8 +457,6 @@ struct dlm_ls {
int ls_low_nodeid;
int ls_total_weight;
int *ls_node_array;
- int *ls_nodeids_next;
- int ls_nodeids_next_count;
struct dlm_rsb ls_stub_rsb; /* for returning errors */
struct dlm_lkb ls_stub_lkb; /* for returning errors */
diff -urpN a/drivers/dlm/lockspace.c b/drivers/dlm/lockspace.c
--- a/drivers/dlm/lockspace.c 2005-08-18 12:14:09.000000000 +0800
+++ b/drivers/dlm/lockspace.c 2005-08-18 13:22:00.721153872 +0800
@@ -94,6 +94,11 @@ static struct dlm_ls *find_lockspace_nam
return ls;
}
+struct dlm_ls *dlm_find_lockspace_name(char *name, int namelen)
+{
+ return find_lockspace_name(name, namelen);
+}
+
struct dlm_ls *dlm_find_lockspace_global(uint32_t id)
{
struct dlm_ls *ls;
@@ -261,8 +266,6 @@ static int new_lockspace(char *name, int
ls->ls_low_nodeid = 0;
ls->ls_total_weight = 0;
ls->ls_node_array = NULL;
- ls->ls_nodeids_next = NULL;
- ls->ls_nodeids_next_count = 0;
memset(&ls->ls_stub_rsb, 0, sizeof(struct dlm_rsb));
ls->ls_stub_rsb.res_ls = ls;
diff -urpN a/drivers/dlm/lowcomms.c b/drivers/dlm/lowcomms.c
--- a/drivers/dlm/lowcomms.c 2005-08-17 17:19:22.000000000 +0800
+++ b/drivers/dlm/lowcomms.c 2005-08-18 13:22:00.722153720 +0800
@@ -50,29 +50,14 @@
#include <linux/socket.h>
#include <linux/idr.h>
-#include <linux/dlm_node.h>
-
#include "dlm_internal.h"
#include "lowcomms.h"
#include "config.h"
-#include "member.h"
#include "midcomms.h"
static struct sockaddr_storage *local_addr[DLM_MAX_ADDR_COUNT];
-static int local_nodeid;
-static int local_weight;
static int local_count;
-static struct list_head nodes;
-static struct semaphore nodes_sem;
-
-/* One of these per configured node */
-
-struct dlm_node {
- struct list_head list;
- int nodeid;
- int weight;
- struct sockaddr_storage addr;
-};
+static int local_nodeid;
/* One of these per connected node */
@@ -163,89 +148,24 @@ static atomic_t accepting;
static struct connection sctp_con;
-static struct dlm_node *search_node(int nodeid)
-{
- struct dlm_node *node;
-
- list_for_each_entry(node, &nodes, list) {
- if (node->nodeid == nodeid)
- goto out;
- }
- node = NULL;
- out:
- return node;
-}
-
-static struct dlm_node *search_node_addr(struct sockaddr_storage *addr)
-{
- struct dlm_node *node;
-
- list_for_each_entry(node, &nodes, list) {
- if (!memcmp(&node->addr, addr, sizeof(*addr)))
- goto out;
- }
- node = NULL;
- out:
- return node;
-}
-
-static int _get_node(int nodeid, struct dlm_node **node_ret)
-{
- struct dlm_node *node;
- int error = 0;
-
- node = search_node(nodeid);
- if (node)
- goto out;
-
- node = kmalloc(sizeof(struct dlm_node), GFP_KERNEL);
- if (!node) {
- error = -ENOMEM;
- goto out;
- }
- memset(node, 0, sizeof(struct dlm_node));
- node->nodeid = nodeid;
- list_add_tail(&node->list, &nodes);
- out:
- *node_ret = node;
- return error;
-}
-
-static int addr_to_nodeid(struct sockaddr_storage *addr, int *nodeid)
-{
- struct dlm_node *node;
-
- down(&nodes_sem);
- node = search_node_addr(addr);
- up(&nodes_sem);
- if (!node)
- return -1;
- *nodeid = node->nodeid;
- return 0;
-}
-
static int nodeid_to_addr(int nodeid, struct sockaddr *retaddr)
{
- struct dlm_node *node;
- struct sockaddr_storage *addr;
+ struct sockaddr_storage addr;
+ int error;
if (!local_count)
return -1;
- down(&nodes_sem);
- node = search_node(nodeid);
- up(&nodes_sem);
- if (!node)
- return -1;
-
- addr = &node->addr;
+ error = dlm_nodeid_to_addr(nodeid, &addr);
+ if (error)
+ return error;
if (local_addr[0]->ss_family == AF_INET) {
- struct sockaddr_in *in4 = (struct sockaddr_in *) addr;
+ struct sockaddr_in *in4 = (struct sockaddr_in *) &addr;
struct sockaddr_in *ret4 = (struct sockaddr_in *) retaddr;
ret4->sin_addr.s_addr = in4->sin_addr.s_addr;
} else {
- struct sockaddr_in6 *in6 = (struct sockaddr_in6 *) addr;
+ struct sockaddr_in6 *in6 = (struct sockaddr_in6 *) &addr;
struct sockaddr_in6 *ret6 = (struct sockaddr_in6 *) retaddr;
memcpy(&ret6->sin6_addr, &in6->sin6_addr,
sizeof(in6->sin6_addr));
@@ -254,67 +174,6 @@ static int nodeid_to_addr(int nodeid, st
return 0;
}
-int dlm_node_weight(int nodeid)
-{
- struct dlm_node *node;
- int weight = -1;
-
- down(&nodes_sem);
- node = search_node(nodeid);
- if (node)
- weight = node->weight;
- up(&nodes_sem);
- return weight;
-}
-
-int dlm_set_node(int nodeid, int weight, char *addr_buf)
-{
- struct dlm_node *node;
- int error;
-
- down(&nodes_sem);
- error = _get_node(nodeid, &node);
- if (!error) {
- memcpy(&node->addr, addr_buf, sizeof(struct sockaddr_storage));
- node->weight = weight;
- }
- up(&nodes_sem);
- return error;
-}
-
-int dlm_set_local(int nodeid, int weight, char *addr_buf)
-{
- struct sockaddr_storage *addr;
- int i;
-
- if (local_count > DLM_MAX_ADDR_COUNT - 1) {
- log_print("too many local addresses set %d", local_count);
- return -EINVAL;
- }
- local_nodeid = nodeid;
- local_weight = weight;
-
- addr = kmalloc(sizeof(*addr), GFP_KERNEL);
- if (!addr)
- return -ENOMEM;
- memcpy(addr, addr_buf, sizeof(*addr));
-
- for (i = 0; i < local_count; i++) {
- if (!memcmp(local_addr[i], addr, sizeof(*addr))) {
- kfree(addr);
- goto out;
- }
- }
- local_addr[local_count++] = addr;
- out:
- return 0;
-}
-
-int dlm_our_nodeid(void)
-{
- return local_nodeid;
-}
-
static struct nodeinfo *nodeid2nodeinfo(int nodeid, int alloc)
{
struct nodeinfo *ni;
@@ -556,7 +415,7 @@ static void process_sctp_notification(st
return;
}
make_sockaddr(&prim.ssp_addr, 0, &addr_len);
- if (addr_to_nodeid(&prim.ssp_addr, &nodeid)) {
+ if (dlm_addr_to_nodeid(&prim.ssp_addr, &nodeid)) {
log_print("reject connect from unknown addr");
send_shutdown(prim.ssp_assoc_id);
return;
@@ -772,6 +631,24 @@ static int add_bind_addr(struct sockaddr
return result;
}
+static void init_local(void)
+{
+ struct sockaddr_storage sas, *addr;
+ int i;
+
+ local_nodeid = dlm_our_nodeid();
+
+ for (i = 0; i < DLM_MAX_ADDR_COUNT - 1; i++) {
+ if (dlm_our_addr(&sas, i))
+ break;
+
+ addr = kmalloc(sizeof(*addr), GFP_KERNEL);
+ if (!addr)
+ break;
+ memcpy(addr, &sas, sizeof(*addr));
+ local_addr[local_count++] = addr;
+ }
+}
/* Initialise SCTP socket and bind to all interfaces */
static int init_sock(void)
@@ -783,8 +660,11 @@ static int init_sock(void)
int result = -EINVAL, num = 1, i, addr_len;
if (!local_count) {
- log_print("no local IP address has been set");
- goto out;
+ init_local();
+ if (!local_count) {
+ log_print("no local IP address has been set");
+ goto out;
+ }
}
result = sock_create_kern(local_addr[0]->ss_family, SOCK_SEQPACKET,
@@ -1323,25 +1203,16 @@ void dlm_lowcomms_stop(void)
int dlm_lowcomms_init(void)
{
init_waitqueue_head(&lowcomms_recv_wait);
- INIT_LIST_HEAD(&nodes);
- init_MUTEX(&nodes_sem);
return 0;
}
void dlm_lowcomms_exit(void)
{
- struct dlm_node *node, *safe;
int i;
for (i = 0; i < local_count; i++)
kfree(local_addr[i]);
- local_nodeid = 0;
- local_weight = 0;
local_count = 0;
-
- list_for_each_entry_safe(node, safe, &nodes, list) {
- list_del(&node->list);
- kfree(node);
- }
+ local_nodeid = 0;
}
diff -urpN a/drivers/dlm/lowcomms.h b/drivers/dlm/lowcomms.h
--- a/drivers/dlm/lowcomms.h 2005-08-17 17:19:22.000000000 +0800
+++ b/drivers/dlm/lowcomms.h 2005-08-18 13:22:00.722153720 +0800
@@ -20,10 +20,6 @@ int dlm_lowcomms_start(void);
void dlm_lowcomms_stop(void);
void *dlm_lowcomms_get_buffer(int nodeid, int len, int allocation, char **ppc);
void dlm_lowcomms_commit_buffer(void *mh);
-int dlm_set_node(int nodeid, int weight, char *addr_buf);
-int dlm_set_local(int nodeid, int weight, char *addr_buf);
-int dlm_our_nodeid(void);
-int dlm_node_weight(int nodeid);
#endif /* __LOWCOMMS_DOT_H__ */
diff -urpN a/drivers/dlm/main.c b/drivers/dlm/main.c
--- a/drivers/dlm/main.c 2005-08-17 17:19:22.000000000 +0800
+++ b/drivers/dlm/main.c 2005-08-18 13:22:00.723153568 +0800
@@ -18,6 +18,7 @@
#include "device.h"
#include "memory.h"
#include "lowcomms.h"
+#include "config.h"
#ifdef CONFIG_DLM_DEBUG
int dlm_register_debugfs(void);
@@ -27,9 +28,6 @@ static inline int dlm_register_debugfs(v
static inline void dlm_unregister_debugfs(void) { }
#endif
-int dlm_node_ioctl_init(void);
-void dlm_node_ioctl_exit(void);
-
static int __init init_dlm(void)
{
int error;
@@ -42,17 +40,17 @@ static int __init init_dlm(void)
if (error)
goto out_mem;
- error = dlm_node_ioctl_init();
+ error = dlm_member_sysfs_init();
if (error)
goto out_mem;
- error = dlm_member_sysfs_init();
+ error = dlm_config_init();
if (error)
- goto out_node;
+ goto out_member;
error = dlm_register_debugfs();
if (error)
- goto out_member;
+ goto out_config;
error = dlm_lowcomms_init();
if (error)
@@ -64,10 +62,10 @@ static int __init init_dlm(void)
out_debug:
dlm_unregister_debugfs();
+ out_config:
+ dlm_config_exit();
out_member:
dlm_member_sysfs_exit();
- out_node:
- dlm_node_ioctl_exit();
out_mem:
dlm_memory_exit();
out:
@@ -78,7 +76,7 @@ static void __exit exit_dlm(void)
{
dlm_lowcomms_exit();
dlm_member_sysfs_exit();
- dlm_node_ioctl_exit();
+ dlm_config_exit();
dlm_memory_exit();
dlm_unregister_debugfs();
}
diff -urpN a/drivers/dlm/member.c b/drivers/dlm/member.c
--- a/drivers/dlm/member.c 2005-08-17 17:19:22.000000000 +0800
+++ b/drivers/dlm/member.c 2005-08-18 13:22:00.724153416 +0800
@@ -11,13 +11,13 @@
******************************************************************************/
#include "dlm_internal.h"
-#include "member_sysfs.h"
#include "lockspace.h"
#include "member.h"
#include "recoverd.h"
#include "recover.h"
#include "lowcomms.h"
#include "rcom.h"
+#include "config.h"
/*
* Following called by dlm_recoverd thread
@@ -50,13 +50,18 @@ static void add_ordered_member(struct dl
static int dlm_add_member(struct dlm_ls *ls, int nodeid)
{
struct dlm_member *memb;
+ int w;
memb = kmalloc(sizeof(struct dlm_member), GFP_KERNEL);
if (!memb)
return -ENOMEM;
+ w = dlm_node_weight(ls->ls_name, nodeid);
+ if (w < 0)
+ return w;
+
memb->nodeid = nodeid;
- memb->weight = dlm_node_weight(nodeid);
+ memb->weight = w;
add_ordered_member(ls, memb);
ls->ls_num_nodes++;
return 0;
@@ -262,14 +267,19 @@ int dlm_ls_stop(struct dlm_ls *ls)
int dlm_ls_start(struct dlm_ls *ls)
{
- struct dlm_recover *rv, *rv_old;
- int error = 0;
+ struct dlm_recover *rv = NULL, *rv_old;
+ int *ids = NULL;
+ int error, count;
rv = kmalloc(sizeof(struct dlm_recover), GFP_KERNEL);
if (!rv)
return -ENOMEM;
memset(rv, 0, sizeof(struct dlm_recover));
+ error = count = dlm_nodeid_list(ls->ls_name, &ids);
+ if (error <= 0)
+ goto fail;
+
spin_lock(&ls->ls_recover_lock);
/* the lockspace needs to be stopped before it can be started */
@@ -277,22 +287,12 @@ int dlm_ls_start(struct dlm_ls *ls)
if (!dlm_locking_stopped(ls)) {
spin_unlock(&ls->ls_recover_lock);
log_error(ls, "start ignored: lockspace running");
- kfree(rv);
- error = -EINVAL;
- goto out;
- }
-
- if (!ls->ls_nodeids_next) {
- spin_unlock(&ls->ls_recover_lock);
- log_error(ls, "start ignored: existing nodeids_next");
- kfree(rv);
error = -EINVAL;
- goto out;
+ goto fail;
}
- rv->nodeids = ls->ls_nodeids_next;
- ls->ls_nodeids_next = NULL;
- rv->node_count = ls->ls_nodeids_next_count;
+ rv->nodeids = ids;
+ rv->node_count = count;
rv->seq = ++ls->ls_recover_seq;
rv_old = ls->ls_recover_args;
ls->ls_recover_args = rv;
@@ -304,7 +304,11 @@ int dlm_ls_start(struct dlm_ls *ls)
}
dlm_recoverd_kick(ls);
- out:
+ return 0;
+
+ fail:
+ kfree(rv);
+ kfree(ids);
return error;
}
diff -urpN a/drivers/dlm/member_sysfs.c b/drivers/dlm/member_sysfs.c
--- a/drivers/dlm/member_sysfs.c 2005-08-17 17:19:22.000000000 +0800
+++ b/drivers/dlm/member_sysfs.c 2005-08-18 13:22:00.724153416 +0800
@@ -47,77 +47,10 @@ static ssize_t dlm_id_show(struct dlm_ls
static ssize_t dlm_id_store(struct dlm_ls *ls, const char *buf, size_t len)
{
- ls->ls_global_id = simple_strtol(buf, NULL, 0);
+ ls->ls_global_id = simple_strtoul(buf, NULL, 0);
return len;
}
-static ssize_t dlm_members_show(struct dlm_ls *ls, char *buf)
-{
- struct dlm_member *memb;
- ssize_t ret = 0;
-
- if (!down_read_trylock(&ls->ls_in_recovery))
- return -EBUSY;
- list_for_each_entry(memb, &ls->ls_nodes, list)
- ret += sprintf(buf+ret, "%u ", memb->nodeid);
- ret += sprintf(buf+ret, "\n");
- up_read(&ls->ls_in_recovery);
- return ret;
-}
-
-static ssize_t dlm_members_store(struct dlm_ls *ls, const char *buf, size_t len)
-{
- int *nodeids, id, count = 1, i;
- ssize_t ret = len;
- char *p, *t;
-
- /* count number of id's in buf, assumes no trailing spaces */
- for (i = 0; i < len; i++)
- if (isspace(buf[i]))
- count++;
-
- nodeids = kmalloc(sizeof(int) * count, GFP_KERNEL);
- if (!nodeids)
- return -ENOMEM;
-
- p = kmalloc(len+1, GFP_KERNEL);
- if (!p) {
- kfree(nodeids);
- return -ENOMEM;
- }
- memcpy(p, buf, len);
- p[len+1] = '\0';
-
- for (i = 0; i < count; i++) {
- if ((t = strsep(&p, " ")) == NULL)
- break;
- if (sscanf(t, "%u", &id) != 1)
- break;
- nodeids[i] = id;
- }
-
- if (i != count) {
- kfree(nodeids);
- ret = -EINVAL;
- goto out;
- }
-
- spin_lock(&ls->ls_recover_lock);
- if (ls->ls_nodeids_next) {
- kfree(nodeids);
- ret = -EINVAL;
- goto out_unlock;
- }
- ls->ls_nodeids_next = nodeids;
- ls->ls_nodeids_next_count = count;
-
- out_unlock:
- spin_unlock(&ls->ls_recover_lock);
- out:
- kfree(p);
- return ret;
-}
-
struct dlm_attr {
struct attribute attr;
ssize_t (*show)(struct dlm_ls *, char *);
@@ -140,17 +73,10 @@ static struct dlm_attr dlm_attr_id = {
.store = dlm_id_store
};
-static struct dlm_attr dlm_attr_members = {
- .attr = {.name = "members", .mode = S_IRUGO | S_IWUSR},
- .show = dlm_members_show,
- .store = dlm_members_store
-};
-
static struct attribute *dlm_attrs[] = {
&dlm_attr_control.attr,
&dlm_attr_event.attr,
&dlm_attr_id.attr,
- &dlm_attr_members.attr,
NULL,
};
diff -urpN a/drivers/dlm/node_ioctl.c b/drivers/dlm/node_ioctl.c
--- a/drivers/dlm/node_ioctl.c 2005-08-17 17:19:22.000000000 +0800
+++ b/drivers/dlm/node_ioctl.c 1970-01-01 07:30:00.000000000 +0730
@@ -1,126 +0,0 @@
-/******************************************************************************
-*******************************************************************************
-**
-** Copyright (C) 2005 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
-** of the GNU General Public License v.2.
-**
-*******************************************************************************
-******************************************************************************/
-
-#include <linux/miscdevice.h>
-#include <linux/fs.h>
-
-#include <linux/dlm_node.h>
-
-#include "dlm_internal.h"
-#include "lowcomms.h"
-
-
-static int check_version(unsigned int cmd,
- struct dlm_node_ioctl __user *u_param)
-{
- u32 version[3];
- int error = 0;
-
- if (copy_from_user(version, u_param->version, sizeof(version)))
- return -EFAULT;
-
- if ((DLM_NODE_VERSION_MAJOR != version[0]) ||
- (DLM_NODE_VERSION_MINOR < version[1])) {
- log_print("node_ioctl: interface mismatch: "
- "kernel(%u.%u.%u), user(%u.%u.%u), cmd(%d)",
- DLM_NODE_VERSION_MAJOR,
- DLM_NODE_VERSION_MINOR,
- DLM_NODE_VERSION_PATCH,
- version[0], version[1], version[2], cmd);
- error = -EINVAL;
- }
-
- version[0] = DLM_NODE_VERSION_MAJOR;
- version[1] = DLM_NODE_VERSION_MINOR;
- version[2] = DLM_NODE_VERSION_PATCH;
-
- if (copy_to_user(u_param->version, version, sizeof(version)))
- return -EFAULT;
- return error;
-}
-
-static int node_ioctl(struct inode *inode, struct file *file,
- uint command, ulong u)
-{
- struct dlm_node_ioctl *k_param;
- struct dlm_node_ioctl __user *u_param;
- unsigned int cmd, type;
- int error;
-
- u_param = (struct dlm_node_ioctl __user *) u;
-
- if (!capable(CAP_SYS_ADMIN))
- return -EACCES;
-
- type = _IOC_TYPE(command);
- cmd = _IOC_NR(command);
-
- if (type != DLM_IOCTL) {
- log_print("node_ioctl: bad ioctl 0x%x 0x%x 0x%x",
- command, type, cmd);
- return -ENOTTY;
- }
-
- error = check_version(cmd, u_param);
- if (error)
- return error;
-
- if (cmd == DLM_NODE_VERSION_CMD)
- return 0;
-
- k_param = kmalloc(sizeof(*k_param), GFP_KERNEL);
- if (!k_param)
- return -ENOMEM;
-
- if (copy_from_user(k_param, u_param, sizeof(*k_param))) {
- kfree(k_param);
- return -EFAULT;
- }
-
- if (cmd == DLM_SET_NODE_CMD)
- error = dlm_set_node(k_param->nodeid, k_param->weight,
- k_param->addr);
- else if (cmd == DLM_SET_LOCAL_CMD)
- error = dlm_set_local(k_param->nodeid, k_param->weight,
- k_param->addr);
-
- kfree(k_param);
- return error;
-}
-
-static struct file_operations node_fops = {
- .ioctl = node_ioctl,
- .owner = THIS_MODULE,
-};
-
-static struct miscdevice node_misc = {
- .minor = MISC_DYNAMIC_MINOR,
- .name = DLM_NODE_MISC_NAME,
- .fops = &node_fops
-};
-
-int dlm_node_ioctl_init(void)
-{
- int error;
-
- error = misc_register(&node_misc);
- if (error)
- log_print("node_ioctl: misc_register failed %d", error);
- return error;
-}
-
-void dlm_node_ioctl_exit(void)
-{
- if (misc_deregister(&node_misc) < 0)
- log_print("node_ioctl: misc_deregister failed");
-}
-
diff -urpN a/drivers/dlm/requestqueue.c b/drivers/dlm/requestqueue.c
--- a/drivers/dlm/requestqueue.c 2005-08-17 17:19:22.000000000 +0800
+++ b/drivers/dlm/requestqueue.c 2005-08-18 13:22:00.725153264 +0800
@@ -14,7 +14,7 @@
#include "member.h"
#include "lock.h"
#include "dir.h"
-#include "lowcomms.h"
+#include "config.h"
struct rq_entry {
struct list_head list;
diff -urpN a/include/linux/dlm_node.h b/include/linux/dlm_node.h
--- a/include/linux/dlm_node.h 2005-08-17 17:19:23.000000000 +0800
+++ b/include/linux/dlm_node.h 1970-01-01 07:30:00.000000000 +0730
@@ -1,44 +0,0 @@
-/******************************************************************************
-*******************************************************************************
-**
-** Copyright (C) 2005 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
-** of the GNU General Public License v.2.
-**
-*******************************************************************************
-******************************************************************************/
-
-#ifndef __DLM_NODE_DOT_H__
-#define __DLM_NODE_DOT_H__
-
-#define DLM_ADDR_LEN 256
-#define DLM_MAX_ADDR_COUNT 3
-#define DLM_NODE_MISC_NAME "dlm-node"
-
-#define DLM_NODE_VERSION_MAJOR 1
-#define DLM_NODE_VERSION_MINOR 0
-#define DLM_NODE_VERSION_PATCH 0
-
-struct dlm_node_ioctl {
- __u32 version[3];
- int nodeid;
- int weight;
- char addr[DLM_ADDR_LEN];
-};
-
-enum {
- DLM_NODE_VERSION_CMD = 0,
- DLM_SET_NODE_CMD,
- DLM_SET_LOCAL_CMD,
-};
-
-#define DLM_IOCTL 0xd1
-
-#define DLM_NODE_VERSION _IOWR(DLM_IOCTL, DLM_NODE_VERSION_CMD, struct dlm_node_ioctl)
-#define DLM_SET_NODE _IOWR(DLM_IOCTL, DLM_SET_NODE_CMD, struct dlm_node_ioctl)
-#define DLM_SET_LOCAL _IOWR(DLM_IOCTL, DLM_SET_LOCAL_CMD, struct dlm_node_ioctl)
-
-#endif
-
-
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