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提交 51409340 编写于 作者: D David Teigland
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dlm: rename structs 

Add a dlm_ prefix to the struct names in config.c.  This resolves a
conflict with struct node in particular, when include/linux/node.h
happens to be included.
Reported-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NDavid Teigland <teigland@redhat.com>
上级 cb980d9a
隐藏空白更改
内联 并排
Showing with 107 addition and 96 deletion
fs/dlm/config.c
浏览文件 @ 51409340
......@@ -2,7 +2,7 @@
*******************************************************************************
**
** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
** Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
** Copyright (C) 2004-2008 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
......@@ -30,16 +30,16 @@
static struct config_group *space_list;
static struct config_group *comm_list;
static struct comm *local_comm;
static struct dlm_comm *local_comm;
struct clusters;
struct cluster;
struct spaces;
struct space;
struct comms;
struct comm;
struct nodes;
struct node;
struct dlm_clusters;
struct dlm_cluster;
struct dlm_spaces;
struct dlm_space;
struct dlm_comms;
struct dlm_comm;
struct dlm_nodes;
struct dlm_node;
static struct config_group *make_cluster(struct config_group *, const char *);
static void drop_cluster(struct config_group *, struct config_item *);
......@@ -68,17 +68,22 @@ 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);
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);
struct cluster {
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);
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);
static ssize_t comm_addr_write(struct dlm_comm *cm, const char *buf,
size_t len);
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);
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);
struct dlm_cluster {
struct config_group group;
unsigned int cl_tcp_port;
unsigned int cl_buffer_size;
......@@ -109,11 +114,11 @@ enum {
struct cluster_attribute {
struct configfs_attribute attr;
ssize_t (*show)(struct cluster *, char *);
ssize_t (*store)(struct cluster *, const char *, size_t);
ssize_t (*show)(struct dlm_cluster *, char *);
ssize_t (*store)(struct dlm_cluster *, const char *, size_t);
};
static ssize_t cluster_set(struct cluster *cl, unsigned int *cl_field,
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)
{
......@@ -134,12 +139,12 @@ static ssize_t cluster_set(struct cluster *cl, unsigned int *cl_field,
}
#define CLUSTER_ATTR(name, check_zero) \
static ssize_t name##_write(struct cluster *cl, const char *buf, size_t len) \
static ssize_t name##_write(struct dlm_cluster *cl, const char *buf, size_t len) \
{ \
return cluster_set(cl, &cl->cl_##name, &dlm_config.ci_##name, \
check_zero, buf, len); \
} \
static ssize_t name##_read(struct cluster *cl, char *buf) \
static ssize_t name##_read(struct dlm_cluster *cl, char *buf) \
{ \
return snprintf(buf, PAGE_SIZE, "%u\n", cl->cl_##name); \
} \
......@@ -181,8 +186,8 @@ enum {
struct comm_attribute {
struct configfs_attribute attr;
ssize_t (*show)(struct comm *, char *);
ssize_t (*store)(struct comm *, const char *, size_t);
ssize_t (*show)(struct dlm_comm *, char *);
ssize_t (*store)(struct dlm_comm *, const char *, size_t);
};
static struct comm_attribute comm_attr_nodeid = {
......@@ -222,8 +227,8 @@ enum {
struct node_attribute {
struct configfs_attribute attr;
ssize_t (*show)(struct node *, char *);
ssize_t (*store)(struct node *, const char *, size_t);
ssize_t (*show)(struct dlm_node *, char *);
ssize_t (*store)(struct dlm_node *, const char *, size_t);
};
static struct node_attribute node_attr_nodeid = {
......@@ -248,26 +253,26 @@ static struct configfs_attribute *node_attrs[] = {
NULL,
};
struct clusters {
struct dlm_clusters {
struct configfs_subsystem subsys;
};
struct spaces {
struct dlm_spaces {
struct config_group ss_group;
};
struct space {
struct dlm_space {
struct config_group group;
struct list_head members;
struct mutex members_lock;
int members_count;
};
struct comms {
struct dlm_comms {
struct config_group cs_group;
};
struct comm {
struct dlm_comm {
struct config_item item;
int nodeid;
int local;
......@@ -275,11 +280,11 @@ struct comm {
struct sockaddr_storage *addr[DLM_MAX_ADDR_COUNT];
};
struct nodes {
struct dlm_nodes {
struct config_group ns_group;
};
struct node {
struct dlm_node {
struct config_item item;
struct list_head list; /* space->members */
int nodeid;
......@@ -372,38 +377,40 @@ static struct config_item_type node_type = {
.ct_owner = THIS_MODULE,
};
static struct cluster *to_cluster(struct config_item *i)
static struct dlm_cluster *to_cluster(struct config_item *i)
{
return i ? container_of(to_config_group(i), struct cluster, group):NULL;
return i ? container_of(to_config_group(i), struct dlm_cluster, group) :
NULL;
}
static struct space *to_space(struct config_item *i)
static struct dlm_space *to_space(struct config_item *i)
{
return i ? container_of(to_config_group(i), struct space, group) : NULL;
return i ? container_of(to_config_group(i), struct dlm_space, group) :
NULL;
}
static struct comm *to_comm(struct config_item *i)
static struct dlm_comm *to_comm(struct config_item *i)
{
return i ? container_of(i, struct comm, item) : NULL;
return i ? container_of(i, struct dlm_comm, item) : NULL;
}
static struct node *to_node(struct config_item *i)
static struct dlm_node *to_node(struct config_item *i)
{
return i ? container_of(i, struct node, item) : NULL;
return i ? container_of(i, struct dlm_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;
struct dlm_cluster *cl = NULL;
struct dlm_spaces *sps = NULL;
struct dlm_comms *cms = NULL;
void *gps = NULL;
cl = kzalloc(sizeof(struct cluster), GFP_KERNEL);
cl = kzalloc(sizeof(struct dlm_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);
sps = kzalloc(sizeof(struct dlm_spaces), GFP_KERNEL);
cms = kzalloc(sizeof(struct dlm_comms), GFP_KERNEL);
if (!cl || !gps || !sps || !cms)
goto fail;
......@@ -443,7 +450,7 @@ static struct config_group *make_cluster(struct config_group *g,
static void drop_cluster(struct config_group *g, struct config_item *i)
{
struct cluster *cl = to_cluster(i);
struct dlm_cluster *cl = to_cluster(i);
struct config_item *tmp;
int j;
......@@ -461,20 +468,20 @@ static void drop_cluster(struct config_group *g, struct config_item *i)
static void release_cluster(struct config_item *i)
{
struct cluster *cl = to_cluster(i);
struct dlm_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;
struct dlm_space *sp = NULL;
struct dlm_nodes *nds = NULL;
void *gps = NULL;
sp = kzalloc(sizeof(struct space), GFP_KERNEL);
sp = kzalloc(sizeof(struct dlm_space), GFP_KERNEL);
gps = kcalloc(2, sizeof(struct config_group *), GFP_KERNEL);
nds = kzalloc(sizeof(struct nodes), GFP_KERNEL);
nds = kzalloc(sizeof(struct dlm_nodes), GFP_KERNEL);
if (!sp || !gps || !nds)
goto fail;
......@@ -500,7 +507,7 @@ 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 space *sp = to_space(i);
struct dlm_space *sp = to_space(i);
struct config_item *tmp;
int j;
......@@ -517,16 +524,16 @@ static void drop_space(struct config_group *g, struct config_item *i)
static void release_space(struct config_item *i)
{
struct space *sp = to_space(i);
struct dlm_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;
struct dlm_comm *cm;
cm = kzalloc(sizeof(struct comm), GFP_KERNEL);
cm = kzalloc(sizeof(struct dlm_comm), GFP_KERNEL);
if (!cm)
return ERR_PTR(-ENOMEM);
......@@ -539,7 +546,7 @@ 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 comm *cm = to_comm(i);
struct dlm_comm *cm = to_comm(i);
if (local_comm == cm)
local_comm = NULL;
dlm_lowcomms_close(cm->nodeid);
......@@ -550,16 +557,16 @@ static void drop_comm(struct config_group *g, struct config_item *i)
static void release_comm(struct config_item *i)
{
struct comm *cm = to_comm(i);
struct dlm_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;
struct dlm_space *sp = to_space(g->cg_item.ci_parent);
struct dlm_node *nd;
nd = kzalloc(sizeof(struct node), GFP_KERNEL);
nd = kzalloc(sizeof(struct dlm_node), GFP_KERNEL);
if (!nd)
return ERR_PTR(-ENOMEM);
......@@ -578,8 +585,8 @@ 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 space *sp = to_space(g->cg_item.ci_parent);
struct node *nd = to_node(i);
struct dlm_space *sp = to_space(g->cg_item.ci_parent);
struct dlm_node *nd = to_node(i);
mutex_lock(&sp->members_lock);
list_del(&nd->list);
......@@ -591,11 +598,11 @@ static void drop_node(struct config_group *g, struct config_item *i)
static void release_node(struct config_item *i)
{
struct node *nd = to_node(i);
struct dlm_node *nd = to_node(i);
kfree(nd);
}
static struct clusters clusters_root = {
static struct dlm_clusters clusters_root = {
.subsys = {
.su_group = {
.cg_item = {
......@@ -625,7 +632,7 @@ void dlm_config_exit(void)
static ssize_t show_cluster(struct config_item *i, struct configfs_attribute *a,
char *buf)
{
struct cluster *cl = to_cluster(i);
struct dlm_cluster *cl = to_cluster(i);
struct cluster_attribute *cla =
container_of(a, struct cluster_attribute, attr);
return cla->show ? cla->show(cl, buf) : 0;
......@@ -635,7 +642,7 @@ static ssize_t store_cluster(struct config_item *i,
struct configfs_attribute *a,
const char *buf, size_t len)
{
struct cluster *cl = to_cluster(i);
struct dlm_cluster *cl = to_cluster(i);
struct cluster_attribute *cla =
container_of(a, struct cluster_attribute, attr);
return cla->store ? cla->store(cl, buf, len) : -EINVAL;
......@@ -644,7 +651,7 @@ 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 comm *cm = to_comm(i);
struct dlm_comm *cm = to_comm(i);
struct comm_attribute *cma =
container_of(a, struct comm_attribute, attr);
return cma->show ? cma->show(cm, buf) : 0;
......@@ -653,29 +660,31 @@ 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 comm *cm = to_comm(i);
struct dlm_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)
static ssize_t comm_nodeid_read(struct dlm_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)
static ssize_t comm_nodeid_write(struct dlm_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)
static ssize_t comm_local_read(struct dlm_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)
static ssize_t comm_local_write(struct dlm_comm *cm, const char *buf,
size_t len)
{
cm->local= simple_strtol(buf, NULL, 0);
if (cm->local && !local_comm)
......@@ -683,7 +692,7 @@ static ssize_t comm_local_write(struct comm *cm, const char *buf, size_t len)
return len;
}
static ssize_t comm_addr_write(struct comm *cm, const char *buf, size_t len)
static ssize_t comm_addr_write(struct dlm_comm *cm, const char *buf, size_t len)
{
struct sockaddr_storage *addr;
......@@ -705,7 +714,7 @@ static ssize_t comm_addr_write(struct comm *cm, const char *buf, size_t len)
static ssize_t show_node(struct config_item *i, struct configfs_attribute *a,
char *buf)
{
struct node *nd = to_node(i);
struct dlm_node *nd = to_node(i);
struct node_attribute *nda =
container_of(a, struct node_attribute, attr);
return nda->show ? nda->show(nd, buf) : 0;
......@@ -714,29 +723,31 @@ 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 node *nd = to_node(i);
struct dlm_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)
static ssize_t node_nodeid_read(struct dlm_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)
static ssize_t node_nodeid_write(struct dlm_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)
static ssize_t node_weight_read(struct dlm_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)
static ssize_t node_weight_write(struct dlm_node *nd, const char *buf,
size_t len)
{
nd->weight = simple_strtol(buf, NULL, 0);
return len;
......@@ -746,7 +757,7 @@ static ssize_t node_weight_write(struct node *nd, const char *buf, size_t len)
* Functions for the dlm to get the info that's been configured
*/
static struct space *get_space(char *name)
static struct dlm_space *get_space(char *name)
{
struct config_item *i;
......@@ -760,15 +771,15 @@ static struct space *get_space(char *name)
return to_space(i);
}
static void put_space(struct space *sp)
static void put_space(struct dlm_space *sp)
{
config_item_put(&sp->group.cg_item);
}
static struct comm *get_comm(int nodeid, struct sockaddr_storage *addr)
static struct dlm_comm *get_comm(int nodeid, struct sockaddr_storage *addr)
{
struct config_item *i;
struct comm *cm = NULL;
struct dlm_comm *cm = NULL;
int found = 0;
if (!comm_list)
......@@ -801,7 +812,7 @@ static struct comm *get_comm(int nodeid, struct sockaddr_storage *addr)
return cm;
}
static void put_comm(struct comm *cm)
static void put_comm(struct dlm_comm *cm)
{
config_item_put(&cm->item);
}
......@@ -810,8 +821,8 @@ static void put_comm(struct comm *cm)
int dlm_nodeid_list(char *lsname, int **ids_out, int *ids_count_out,
int **new_out, int *new_count_out)
{
struct space *sp;
struct node *nd;
struct dlm_space *sp;
struct dlm_node *nd;
int i = 0, rv = 0, ids_count = 0, new_count = 0;
int *ids, *new;
......@@ -874,8 +885,8 @@ int dlm_nodeid_list(char *lsname, int **ids_out, int *ids_count_out,
int dlm_node_weight(char *lsname, int nodeid)
{
struct space *sp;
struct node *nd;
struct dlm_space *sp;
struct dlm_node *nd;
int w = -EEXIST;
sp = get_space(lsname);
......@@ -897,7 +908,7 @@ int dlm_node_weight(char *lsname, int nodeid)
int dlm_nodeid_to_addr(int nodeid, struct sockaddr_storage *addr)
{
struct comm *cm = get_comm(nodeid, NULL);
struct dlm_comm *cm = get_comm(nodeid, NULL);
if (!cm)
return -EEXIST;
if (!cm->addr_count)
......@@ -909,7 +920,7 @@ int dlm_nodeid_to_addr(int nodeid, struct sockaddr_storage *addr)
int dlm_addr_to_nodeid(struct sockaddr_storage *addr, int *nodeid)
{
struct comm *cm = get_comm(0, addr);
struct dlm_comm *cm = get_comm(0, addr);
if (!cm)
return -EEXIST;
*nodeid = cm->nodeid;
......
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