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authorAndy Grover <agrover@redhat.com>2014-04-04 16:54:13 -0700
committerNicholas Bellinger <nab@linux-iscsi.org>2014-04-11 15:30:51 -0700
commit705665da222b810fced1273169d63f31635df6f0 (patch)
tree86d175551f987c2423a3deee415362d10e8fc79e /drivers
parenttarget/tcm_fc: Limit to 1 TPG per wwn (diff)
downloadlinux-dev-705665da222b810fced1273169d63f31635df6f0.tar.xz
linux-dev-705665da222b810fced1273169d63f31635df6f0.zip
target/tcm_fc: Rename structs and list members for clarity
Rename struct ft_lport_acl to ft_lport_wwn. "acl" is associated with something different in LIO terms. Really, ft_lport_wwn is the fabric-specific wrapper for the struct se_wwn. Rename "lacl" local variables to "ft_wwn" as well. Rename list_heads used as list members to make it clear they're nodes, not heads. Rename lport_node to ft_wwn_node. Rename ft_lport_list to ft_wwn_list Signed-off-by: Andy Grover <agrover@redhat.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/target/tcm_fc/tcm_fc.h8
-rw-r--r--drivers/target/tcm_fc/tfc_conf.c57
2 files changed, 32 insertions, 33 deletions
diff --git a/drivers/target/tcm_fc/tcm_fc.h b/drivers/target/tcm_fc/tcm_fc.h
index 7290f8fb53f0..a0bcfd3e7e7d 100644
--- a/drivers/target/tcm_fc/tcm_fc.h
+++ b/drivers/target/tcm_fc/tcm_fc.h
@@ -94,19 +94,19 @@ struct ft_lun {
*/
struct ft_tpg {
u32 index;
- struct ft_lport_acl *lport_acl;
+ struct ft_lport_wwn *lport_wwn;
struct ft_tport *tport; /* active tport or NULL */
struct list_head lun_list; /* head of LUNs */
struct se_portal_group se_tpg;
struct workqueue_struct *workqueue;
};
-struct ft_lport_acl {
+struct ft_lport_wwn {
u64 wwpn;
char name[FT_NAMELEN];
+ struct list_head ft_wwn_node;
struct ft_tpg *tpg;
- struct list_head list;
- struct se_wwn fc_lport_wwn;
+ struct se_wwn se_wwn;
};
/*
diff --git a/drivers/target/tcm_fc/tfc_conf.c b/drivers/target/tcm_fc/tfc_conf.c
index ccfa328e0367..bd7d544d5478 100644
--- a/drivers/target/tcm_fc/tfc_conf.c
+++ b/drivers/target/tcm_fc/tfc_conf.c
@@ -50,7 +50,7 @@
struct target_fabric_configfs *ft_configfs;
-static LIST_HEAD(ft_lport_list);
+static LIST_HEAD(ft_wwn_list);
DEFINE_MUTEX(ft_lport_lock);
unsigned int ft_debug_logging;
@@ -298,7 +298,7 @@ static struct se_portal_group *ft_add_tpg(
struct config_group *group,
const char *name)
{
- struct ft_lport_acl *lacl;
+ struct ft_lport_wwn *ft_wwn;
struct ft_tpg *tpg;
struct workqueue_struct *wq;
unsigned long index;
@@ -323,12 +323,12 @@ static struct se_portal_group *ft_add_tpg(
return ERR_PTR(-ENOSYS);
}
- lacl = container_of(wwn, struct ft_lport_acl, fc_lport_wwn);
+ ft_wwn = container_of(wwn, struct ft_lport_wwn, se_wwn);
tpg = kzalloc(sizeof(*tpg), GFP_KERNEL);
if (!tpg)
return NULL;
tpg->index = index;
- tpg->lport_acl = lacl;
+ tpg->lport_wwn = ft_wwn;
INIT_LIST_HEAD(&tpg->lun_list);
wq = alloc_workqueue("tcm_fc", 0, 1);
@@ -347,7 +347,7 @@ static struct se_portal_group *ft_add_tpg(
tpg->workqueue = wq;
mutex_lock(&ft_lport_lock);
- lacl->tpg = tpg;
+ ft_wwn->tpg = tpg;
mutex_unlock(&ft_lport_lock);
return &tpg->se_tpg;
@@ -356,7 +356,7 @@ static struct se_portal_group *ft_add_tpg(
static void ft_del_tpg(struct se_portal_group *se_tpg)
{
struct ft_tpg *tpg = container_of(se_tpg, struct ft_tpg, se_tpg);
- struct ft_lport_acl *lacl = tpg->lport_acl;
+ struct ft_lport_wwn *ft_wwn = tpg->lport_wwn;
pr_debug("del tpg %s\n",
config_item_name(&tpg->se_tpg.tpg_group.cg_item));
@@ -367,8 +367,7 @@ static void ft_del_tpg(struct se_portal_group *se_tpg)
synchronize_rcu();
mutex_lock(&ft_lport_lock);
- lacl->tpg = NULL;
-
+ ft_wwn->tpg = NULL;
if (tpg->tport) {
tpg->tport->tpg = NULL;
tpg->tport = NULL;
@@ -387,11 +386,11 @@ static void ft_del_tpg(struct se_portal_group *se_tpg)
*/
struct ft_tpg *ft_lport_find_tpg(struct fc_lport *lport)
{
- struct ft_lport_acl *lacl;
+ struct ft_lport_wwn *ft_wwn;
- list_for_each_entry(lacl, &ft_lport_list, list) {
- if (lacl->wwpn == lport->wwpn)
- return lacl->tpg;
+ list_for_each_entry(ft_wwn, &ft_wwn_list, ft_wwn_node) {
+ if (ft_wwn->wwpn == lport->wwpn)
+ return ft_wwn->tpg;
}
return NULL;
}
@@ -409,44 +408,44 @@ static struct se_wwn *ft_add_lport(
struct config_group *group,
const char *name)
{
- struct ft_lport_acl *lacl;
- struct ft_lport_acl *old_lacl;
+ struct ft_lport_wwn *ft_wwn;
+ struct ft_lport_wwn *old_ft_wwn;
u64 wwpn;
pr_debug("add lport %s\n", name);
if (ft_parse_wwn(name, &wwpn, 1) < 0)
return NULL;
- lacl = kzalloc(sizeof(*lacl), GFP_KERNEL);
- if (!lacl)
+ ft_wwn = kzalloc(sizeof(*ft_wwn), GFP_KERNEL);
+ if (!ft_wwn)
return NULL;
- lacl->wwpn = wwpn;
+ ft_wwn->wwpn = wwpn;
mutex_lock(&ft_lport_lock);
- list_for_each_entry(old_lacl, &ft_lport_list, list) {
- if (old_lacl->wwpn == wwpn) {
+ list_for_each_entry(old_ft_wwn, &ft_wwn_list, ft_wwn_node) {
+ if (old_ft_wwn->wwpn == wwpn) {
mutex_unlock(&ft_lport_lock);
- kfree(lacl);
+ kfree(ft_wwn);
return NULL;
}
}
- list_add_tail(&lacl->list, &ft_lport_list);
- ft_format_wwn(lacl->name, sizeof(lacl->name), wwpn);
+ list_add_tail(&ft_wwn->ft_wwn_node, &ft_wwn_list);
+ ft_format_wwn(ft_wwn->name, sizeof(ft_wwn->name), wwpn);
mutex_unlock(&ft_lport_lock);
- return &lacl->fc_lport_wwn;
+ return &ft_wwn->se_wwn;
}
static void ft_del_lport(struct se_wwn *wwn)
{
- struct ft_lport_acl *lacl = container_of(wwn,
- struct ft_lport_acl, fc_lport_wwn);
+ struct ft_lport_wwn *ft_wwn = container_of(wwn,
+ struct ft_lport_wwn, se_wwn);
- pr_debug("del lport %s\n", lacl->name);
+ pr_debug("del lport %s\n", ft_wwn->name);
mutex_lock(&ft_lport_lock);
- list_del(&lacl->list);
+ list_del(&ft_wwn->ft_wwn_node);
mutex_unlock(&ft_lport_lock);
- kfree(lacl);
+ kfree(ft_wwn);
}
static ssize_t ft_wwn_show_attr_version(
@@ -473,7 +472,7 @@ static char *ft_get_fabric_wwn(struct se_portal_group *se_tpg)
{
struct ft_tpg *tpg = se_tpg->se_tpg_fabric_ptr;
- return tpg->lport_acl->name;
+ return tpg->lport_wwn->name;
}
static u16 ft_get_tag(struct se_portal_group *se_tpg)