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target: put struct target_fabric_configfs on a diet

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Remove all fields that are either unused or can be replaced by trivially
following pointers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Christoph Hellwig 2015-05-03 08:50:54 +02:00 committed by Nicholas Bellinger
parent ef0caf8dd1
commit 0dc2e8d143
3 changed files with 6 additions and 29 deletions
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24
drivers/target/target_core_configfs.c
View File

@ -116,7 +116,7 @@ static struct target_fabric_configfs *target_core_get_fabric(
mutex_lock(&g_tf_lock);
list_for_each_entry(tf, &g_tf_list, tf_list) {
if (!strcmp(tf->tf_name, name)) {
if (!strcmp(tf->tf_ops->name, name)) {
atomic_inc(&tf->tf_access_cnt);
mutex_unlock(&g_tf_lock);
return tf;
@ -193,7 +193,7 @@ static struct config_group *target_core_register_fabric(
return ERR_PTR(-EINVAL);
}
pr_debug("Target_Core_ConfigFS: REGISTER -> Located fabric:"
" %s\n", tf->tf_name);
" %s\n", tf->tf_ops->name);
/*
* On a successful target_core_get_fabric() look, the returned
* struct target_fabric_configfs *tf will contain a usage reference.
@ -212,10 +212,6 @@ static struct config_group *target_core_register_fabric(
pr_debug("Target_Core_ConfigFS: REGISTER -> Allocated Fabric:"
" %s\n", tf->tf_group.cg_item.ci_name);
tf->tf_fabric = &tf->tf_group.cg_item;
pr_debug("Target_Core_ConfigFS: REGISTER -> Set tf->tf_fabric"
" for %s\n", name);
return &tf->tf_group;
}
@ -236,13 +232,9 @@ static void target_core_deregister_fabric(
" tf list\n", config_item_name(item));
pr_debug("Target_Core_ConfigFS: DEREGISTER -> located fabric:"
" %s\n", tf->tf_name);
" %s\n", tf->tf_ops->name);
atomic_dec(&tf->tf_access_cnt);
pr_debug("Target_Core_ConfigFS: DEREGISTER -> Releasing"
" tf->tf_fabric for %s\n", tf->tf_name);
tf->tf_fabric = NULL;
pr_debug("Target_Core_ConfigFS: DEREGISTER -> Releasing ci"
" %s\n", config_item_name(item));
@ -436,14 +428,6 @@ int target_register_template(const struct target_core_fabric_ops *fo)
INIT_LIST_HEAD(&tf->tf_list);
atomic_set(&tf->tf_access_cnt, 0);
/*
* Setup the default generic struct config_item_type's (cits) in
* struct target_fabric_configfs->tf_cit_tmpl
*/
tf->tf_module = fo->module;
snprintf(tf->tf_name, TARGET_FABRIC_NAME_SIZE, "%s", fo->name);
tf->tf_ops = fo;
target_fabric_setup_cits(tf);
@ -461,7 +445,7 @@ void target_unregister_template(const struct target_core_fabric_ops *fo)
mutex_lock(&g_tf_lock);
list_for_each_entry(t, &g_tf_list, tf_list) {
if (!strcmp(t->tf_name, fo->name)) {
if (!strcmp(t->tf_ops->name, fo->name)) {
BUG_ON(atomic_read(&t->tf_access_cnt));
list_del(&t->tf_list);
kfree(t);

4
drivers/target/target_core_fabric_configfs.c
View File

@ -52,7 +52,7 @@ static void target_fabric_setup_##_name##_cit(struct target_fabric_configfs *tf)
cit->ct_item_ops = _item_ops; \
cit->ct_group_ops = _group_ops; \
cit->ct_attrs = _attrs; \
cit->ct_owner = tf->tf_module; \
cit->ct_owner = tf->tf_ops->module; \
pr_debug("Setup generic %s\n", __stringify(_name)); \
}
@ -66,7 +66,7 @@ static void target_fabric_setup_##_name##_cit(struct target_fabric_configfs *tf)
cit->ct_item_ops = _item_ops; \
cit->ct_group_ops = _group_ops; \
cit->ct_attrs = attrs; \
cit->ct_owner = tf->tf_module; \
cit->ct_owner = tf->tf_ops->module; \
pr_debug("Setup generic %s\n", __stringify(_name)); \
}

7
include/target/target_core_configfs.h
View File

@ -30,18 +30,11 @@ struct target_fabric_configfs_template {
};
struct target_fabric_configfs {
char tf_name[TARGET_FABRIC_NAME_SIZE];
atomic_t tf_access_cnt;
struct list_head tf_list;
struct config_group tf_group;
struct config_group tf_disc_group;
struct config_group *tf_default_groups[2];
/* Pointer to fabric's config_item */
struct config_item *tf_fabric;
/* Passed from fabric modules */
struct config_item_type *tf_fabric_cit;
/* Pointer to fabric's struct module */
struct module *tf_module;
const struct target_core_fabric_ops *tf_ops;
struct target_fabric_configfs_template tf_cit_tmpl;
};