Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm: dlm: rename structs dlm: add missing kfrees
This commit is contained in:
Коммит
3e11acd430
201
fs/dlm/config.c
201
fs/dlm/config.c
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@ -2,7 +2,7 @@
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*******************************************************************************
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**
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** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
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** Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
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** Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved.
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**
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** This copyrighted material is made available to anyone wishing to use,
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** modify, copy, or redistribute it subject to the terms and conditions
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@ -30,16 +30,16 @@
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static struct config_group *space_list;
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static struct config_group *comm_list;
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static struct comm *local_comm;
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static struct dlm_comm *local_comm;
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struct clusters;
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struct cluster;
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struct spaces;
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struct space;
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struct comms;
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struct comm;
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struct nodes;
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struct node;
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struct dlm_clusters;
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struct dlm_cluster;
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struct dlm_spaces;
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struct dlm_space;
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struct dlm_comms;
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struct dlm_comm;
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struct dlm_nodes;
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struct dlm_node;
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static struct config_group *make_cluster(struct config_group *, const char *);
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static void drop_cluster(struct config_group *, struct config_item *);
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@ -68,17 +68,22 @@ static ssize_t show_node(struct config_item *i, struct configfs_attribute *a,
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static ssize_t store_node(struct config_item *i, struct configfs_attribute *a,
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const char *buf, size_t len);
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static ssize_t comm_nodeid_read(struct comm *cm, char *buf);
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static ssize_t comm_nodeid_write(struct comm *cm, const char *buf, size_t len);
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static ssize_t comm_local_read(struct comm *cm, char *buf);
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static ssize_t comm_local_write(struct comm *cm, const char *buf, size_t len);
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static ssize_t comm_addr_write(struct comm *cm, const char *buf, size_t len);
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static ssize_t node_nodeid_read(struct node *nd, char *buf);
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static ssize_t node_nodeid_write(struct node *nd, const char *buf, size_t len);
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static ssize_t node_weight_read(struct node *nd, char *buf);
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static ssize_t node_weight_write(struct node *nd, const char *buf, size_t len);
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static ssize_t comm_nodeid_read(struct dlm_comm *cm, char *buf);
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static ssize_t comm_nodeid_write(struct dlm_comm *cm, const char *buf,
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size_t len);
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static ssize_t comm_local_read(struct dlm_comm *cm, char *buf);
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static ssize_t comm_local_write(struct dlm_comm *cm, const char *buf,
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size_t len);
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static ssize_t comm_addr_write(struct dlm_comm *cm, const char *buf,
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size_t len);
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static ssize_t node_nodeid_read(struct dlm_node *nd, char *buf);
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static ssize_t node_nodeid_write(struct dlm_node *nd, const char *buf,
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size_t len);
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static ssize_t node_weight_read(struct dlm_node *nd, char *buf);
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static ssize_t node_weight_write(struct dlm_node *nd, const char *buf,
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size_t len);
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struct cluster {
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struct dlm_cluster {
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struct config_group group;
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unsigned int cl_tcp_port;
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unsigned int cl_buffer_size;
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@ -109,11 +114,11 @@ enum {
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struct cluster_attribute {
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struct configfs_attribute attr;
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ssize_t (*show)(struct cluster *, char *);
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ssize_t (*store)(struct cluster *, const char *, size_t);
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ssize_t (*show)(struct dlm_cluster *, char *);
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ssize_t (*store)(struct dlm_cluster *, const char *, size_t);
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};
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static ssize_t cluster_set(struct cluster *cl, unsigned int *cl_field,
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static ssize_t cluster_set(struct dlm_cluster *cl, unsigned int *cl_field,
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int *info_field, int check_zero,
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const char *buf, size_t len)
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{
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@ -134,12 +139,12 @@ static ssize_t cluster_set(struct cluster *cl, unsigned int *cl_field,
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}
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#define CLUSTER_ATTR(name, check_zero) \
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static ssize_t name##_write(struct cluster *cl, const char *buf, size_t len) \
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static ssize_t name##_write(struct dlm_cluster *cl, const char *buf, size_t len) \
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{ \
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return cluster_set(cl, &cl->cl_##name, &dlm_config.ci_##name, \
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check_zero, buf, len); \
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} \
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static ssize_t name##_read(struct cluster *cl, char *buf) \
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static ssize_t name##_read(struct dlm_cluster *cl, char *buf) \
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{ \
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return snprintf(buf, PAGE_SIZE, "%u\n", cl->cl_##name); \
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} \
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@ -181,8 +186,8 @@ enum {
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struct comm_attribute {
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struct configfs_attribute attr;
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ssize_t (*show)(struct comm *, char *);
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ssize_t (*store)(struct comm *, const char *, size_t);
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ssize_t (*show)(struct dlm_comm *, char *);
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ssize_t (*store)(struct dlm_comm *, const char *, size_t);
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};
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static struct comm_attribute comm_attr_nodeid = {
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@ -222,8 +227,8 @@ enum {
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struct node_attribute {
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struct configfs_attribute attr;
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ssize_t (*show)(struct node *, char *);
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ssize_t (*store)(struct node *, const char *, size_t);
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ssize_t (*show)(struct dlm_node *, char *);
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ssize_t (*store)(struct dlm_node *, const char *, size_t);
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};
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static struct node_attribute node_attr_nodeid = {
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@ -248,26 +253,26 @@ static struct configfs_attribute *node_attrs[] = {
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NULL,
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};
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struct clusters {
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struct dlm_clusters {
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struct configfs_subsystem subsys;
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};
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struct spaces {
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struct dlm_spaces {
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struct config_group ss_group;
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};
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struct space {
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struct dlm_space {
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struct config_group group;
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struct list_head members;
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struct mutex members_lock;
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int members_count;
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};
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struct comms {
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struct dlm_comms {
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struct config_group cs_group;
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};
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struct comm {
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struct dlm_comm {
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struct config_item item;
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int nodeid;
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int local;
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@ -275,11 +280,11 @@ struct comm {
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struct sockaddr_storage *addr[DLM_MAX_ADDR_COUNT];
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};
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struct nodes {
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struct dlm_nodes {
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struct config_group ns_group;
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};
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struct node {
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struct dlm_node {
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struct config_item item;
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struct list_head list; /* space->members */
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int nodeid;
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@ -372,38 +377,40 @@ static struct config_item_type node_type = {
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.ct_owner = THIS_MODULE,
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};
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static struct cluster *to_cluster(struct config_item *i)
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static struct dlm_cluster *to_cluster(struct config_item *i)
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{
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return i ? container_of(to_config_group(i), struct cluster, group):NULL;
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return i ? container_of(to_config_group(i), struct dlm_cluster, group) :
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NULL;
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}
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static struct space *to_space(struct config_item *i)
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static struct dlm_space *to_space(struct config_item *i)
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{
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return i ? container_of(to_config_group(i), struct space, group) : NULL;
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return i ? container_of(to_config_group(i), struct dlm_space, group) :
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NULL;
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}
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static struct comm *to_comm(struct config_item *i)
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static struct dlm_comm *to_comm(struct config_item *i)
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{
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return i ? container_of(i, struct comm, item) : NULL;
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return i ? container_of(i, struct dlm_comm, item) : NULL;
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}
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static struct node *to_node(struct config_item *i)
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static struct dlm_node *to_node(struct config_item *i)
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{
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return i ? container_of(i, struct node, item) : NULL;
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return i ? container_of(i, struct dlm_node, item) : NULL;
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}
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static struct config_group *make_cluster(struct config_group *g,
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const char *name)
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{
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struct cluster *cl = NULL;
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struct spaces *sps = NULL;
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struct comms *cms = NULL;
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struct dlm_cluster *cl = NULL;
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struct dlm_spaces *sps = NULL;
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struct dlm_comms *cms = NULL;
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void *gps = NULL;
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cl = kzalloc(sizeof(struct cluster), GFP_KERNEL);
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cl = kzalloc(sizeof(struct dlm_cluster), GFP_KERNEL);
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gps = kcalloc(3, sizeof(struct config_group *), GFP_KERNEL);
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sps = kzalloc(sizeof(struct spaces), GFP_KERNEL);
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cms = kzalloc(sizeof(struct comms), GFP_KERNEL);
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sps = kzalloc(sizeof(struct dlm_spaces), GFP_KERNEL);
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cms = kzalloc(sizeof(struct dlm_comms), GFP_KERNEL);
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if (!cl || !gps || !sps || !cms)
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goto fail;
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@ -443,7 +450,7 @@ static struct config_group *make_cluster(struct config_group *g,
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static void drop_cluster(struct config_group *g, struct config_item *i)
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{
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struct cluster *cl = to_cluster(i);
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struct dlm_cluster *cl = to_cluster(i);
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struct config_item *tmp;
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int j;
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@ -461,20 +468,20 @@ static void drop_cluster(struct config_group *g, struct config_item *i)
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static void release_cluster(struct config_item *i)
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{
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struct cluster *cl = to_cluster(i);
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struct dlm_cluster *cl = to_cluster(i);
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kfree(cl->group.default_groups);
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kfree(cl);
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}
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static struct config_group *make_space(struct config_group *g, const char *name)
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{
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struct space *sp = NULL;
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struct nodes *nds = NULL;
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struct dlm_space *sp = NULL;
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struct dlm_nodes *nds = NULL;
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void *gps = NULL;
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sp = kzalloc(sizeof(struct space), GFP_KERNEL);
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sp = kzalloc(sizeof(struct dlm_space), GFP_KERNEL);
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gps = kcalloc(2, sizeof(struct config_group *), GFP_KERNEL);
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nds = kzalloc(sizeof(struct nodes), GFP_KERNEL);
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nds = kzalloc(sizeof(struct dlm_nodes), GFP_KERNEL);
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if (!sp || !gps || !nds)
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goto fail;
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@ -500,7 +507,7 @@ static struct config_group *make_space(struct config_group *g, const char *name)
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static void drop_space(struct config_group *g, struct config_item *i)
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{
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struct space *sp = to_space(i);
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struct dlm_space *sp = to_space(i);
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struct config_item *tmp;
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int j;
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@ -517,16 +524,16 @@ static void drop_space(struct config_group *g, struct config_item *i)
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static void release_space(struct config_item *i)
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{
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struct space *sp = to_space(i);
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struct dlm_space *sp = to_space(i);
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kfree(sp->group.default_groups);
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kfree(sp);
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}
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static struct config_item *make_comm(struct config_group *g, const char *name)
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{
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struct comm *cm;
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struct dlm_comm *cm;
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cm = kzalloc(sizeof(struct comm), GFP_KERNEL);
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cm = kzalloc(sizeof(struct dlm_comm), GFP_KERNEL);
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if (!cm)
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return ERR_PTR(-ENOMEM);
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|
@ -539,7 +546,7 @@ static struct config_item *make_comm(struct config_group *g, const char *name)
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static void drop_comm(struct config_group *g, struct config_item *i)
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{
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struct comm *cm = to_comm(i);
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struct dlm_comm *cm = to_comm(i);
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if (local_comm == cm)
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local_comm = NULL;
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dlm_lowcomms_close(cm->nodeid);
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|
@ -550,16 +557,16 @@ static void drop_comm(struct config_group *g, struct config_item *i)
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static void release_comm(struct config_item *i)
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{
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struct comm *cm = to_comm(i);
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struct dlm_comm *cm = to_comm(i);
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kfree(cm);
|
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}
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|
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static struct config_item *make_node(struct config_group *g, const char *name)
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{
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struct space *sp = to_space(g->cg_item.ci_parent);
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struct node *nd;
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struct dlm_space *sp = to_space(g->cg_item.ci_parent);
|
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struct dlm_node *nd;
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|
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nd = kzalloc(sizeof(struct node), GFP_KERNEL);
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nd = kzalloc(sizeof(struct dlm_node), GFP_KERNEL);
|
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if (!nd)
|
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return ERR_PTR(-ENOMEM);
|
||||
|
||||
|
@ -578,8 +585,8 @@ static struct config_item *make_node(struct config_group *g, const char *name)
|
|||
|
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static void drop_node(struct config_group *g, struct config_item *i)
|
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{
|
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struct space *sp = to_space(g->cg_item.ci_parent);
|
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struct node *nd = to_node(i);
|
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struct dlm_space *sp = to_space(g->cg_item.ci_parent);
|
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struct dlm_node *nd = to_node(i);
|
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|
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mutex_lock(&sp->members_lock);
|
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list_del(&nd->list);
|
||||
|
@ -591,11 +598,11 @@ static void drop_node(struct config_group *g, struct config_item *i)
|
|||
|
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static void release_node(struct config_item *i)
|
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{
|
||||
struct node *nd = to_node(i);
|
||||
struct dlm_node *nd = to_node(i);
|
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kfree(nd);
|
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}
|
||||
|
||||
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;
|
||||
|
|
|
@ -527,8 +527,10 @@ static ssize_t device_write(struct file *file, const char __user *buf,
|
|||
k32buf = (struct dlm_write_request32 *)kbuf;
|
||||
kbuf = kmalloc(count + 1 + (sizeof(struct dlm_write_request) -
|
||||
sizeof(struct dlm_write_request32)), GFP_KERNEL);
|
||||
if (!kbuf)
|
||||
if (!kbuf) {
|
||||
kfree(k32buf);
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
if (proc)
|
||||
set_bit(DLM_PROC_FLAGS_COMPAT, &proc->flags);
|
||||
|
@ -539,8 +541,10 @@ static ssize_t device_write(struct file *file, const char __user *buf,
|
|||
|
||||
/* do we really need this? can a write happen after a close? */
|
||||
if ((kbuf->cmd == DLM_USER_LOCK || kbuf->cmd == DLM_USER_UNLOCK) &&
|
||||
(proc && test_bit(DLM_PROC_FLAGS_CLOSING, &proc->flags)))
|
||||
return -EINVAL;
|
||||
(proc && test_bit(DLM_PROC_FLAGS_CLOSING, &proc->flags))) {
|
||||
error = -EINVAL;
|
||||
goto out_free;
|
||||
}
|
||||
|
||||
sigfillset(&allsigs);
|
||||
sigprocmask(SIG_BLOCK, &allsigs, &tmpsig);
|
||||
|
|
Загрузка…
Ссылка в новой задаче