107 static void __mount_group_release(struct mount_group *mg)  in __mount_group_release()  argument
111 	for (i = 0; i < mg->num_sessions; i++)  in __mount_group_release()
112 		cifs_put_smb_ses(mg->sessions[i]);  in __mount_group_release()
113 	kfree(mg);  in __mount_group_release()
118 	struct mount_group *mg = container_of(kref, struct mount_group, refcount);  in mount_group_release()  local
121 	list_del(&mg->list);  in mount_group_release()
123 	__mount_group_release(mg);  in mount_group_release()
128 	struct mount_group *mg;  in find_mount_group_locked()  local
130 	list_for_each_entry(mg, &mount_group_list, list) {  in find_mount_group_locked()
131 		if (uuid_equal(&mg->id, id))  in find_mount_group_locked()
132 			return mg;  in find_mount_group_locked()
139 	struct mount_group *mg;  in __get_mount_group_locked()  local
141 	mg = find_mount_group_locked(id);  in __get_mount_group_locked()
142 	if (!IS_ERR(mg))  in __get_mount_group_locked()
143 		return mg;  in __get_mount_group_locked()
145 	mg = kmalloc(sizeof(*mg), GFP_KERNEL);  in __get_mount_group_locked()
146 	if (!mg)  in __get_mount_group_locked()
148 	kref_init(&mg->refcount);  in __get_mount_group_locked()
149 	uuid_copy(&mg->id, id);  in __get_mount_group_locked()
150 	mg->num_sessions = 0;  in __get_mount_group_locked()
151 	spin_lock_init(&mg->lock);  in __get_mount_group_locked()
152 	list_add(&mg->list, &mount_group_list);  in __get_mount_group_locked()
153 	return mg;  in __get_mount_group_locked()
158 	struct mount_group *mg;  in get_mount_group()  local
161 	mg = __get_mount_group_locked(id);  in get_mount_group()
162 	if (!IS_ERR(mg))  in get_mount_group()
163 		kref_get(&mg->refcount);  in get_mount_group()
166 	return mg;  in get_mount_group()
171 	struct mount_group *mg, *tmp_mg;  in free_mount_group_list()  local
173 	list_for_each_entry_safe(mg, tmp_mg, &mount_group_list, list) {  in free_mount_group_list()
174 		list_del_init(&mg->list);  in free_mount_group_list()
175 		__mount_group_release(mg);  in free_mount_group_list()
1192 	struct mount_group *mg;  in dfs_cache_add_refsrv_session()  local
1197 	mg = get_mount_group(mount_id);  in dfs_cache_add_refsrv_session()
1198 	if (WARN_ON_ONCE(IS_ERR(mg)))  in dfs_cache_add_refsrv_session()
1201 	spin_lock(&mg->lock);  in dfs_cache_add_refsrv_session()
1202 	if (mg->num_sessions < ARRAY_SIZE(mg->sessions))  in dfs_cache_add_refsrv_session()
1203 		mg->sessions[mg->num_sessions++] = ses;  in dfs_cache_add_refsrv_session()
1204 	spin_unlock(&mg->lock);  in dfs_cache_add_refsrv_session()
1205 	kref_put(&mg->refcount, mount_group_release);  in dfs_cache_add_refsrv_session()
1217 	struct mount_group *mg;  in dfs_cache_put_refsrv_sessions()  local
1223 	mg = find_mount_group_locked(mount_id);  in dfs_cache_put_refsrv_sessions()
1224 	if (IS_ERR(mg)) {  in dfs_cache_put_refsrv_sessions()
1229 	kref_put(&mg->refcount, mount_group_release);  in dfs_cache_put_refsrv_sessions()
1464 	struct mount_group *mg;  in dfs_cache_remount_fs()  local
1485 	mg = find_mount_group_locked(&cifs_sb->dfs_mount_id);  in dfs_cache_remount_fs()
1486 	if (IS_ERR(mg)) {  in dfs_cache_remount_fs()
1489 		return PTR_ERR(mg);  in dfs_cache_remount_fs()
1491 	kref_get(&mg->refcount);  in dfs_cache_remount_fs()
1494 	spin_lock(&mg->lock);  in dfs_cache_remount_fs()
1495 	memcpy(&sessions, mg->sessions, mg->num_sessions * sizeof(mg->sessions[0]));  in dfs_cache_remount_fs()
1496 	spin_unlock(&mg->lock);  in dfs_cache_remount_fs()
1510 	kref_put(&mg->refcount, mount_group_release);  in dfs_cache_remount_fs()
1642 	struct mount_group *mg, *tmp_mg;  in refresh_cache_worker()  local
1651 	list_for_each_entry(mg, &mount_group_list, list) {  in refresh_cache_worker()
1652 		kref_get(&mg->refcount);  in refresh_cache_worker()
1653 		list_add(&mg->refresh_list, &mglist);  in refresh_cache_worker()
1658 	list_for_each_entry(mg, &mglist, refresh_list) {  in refresh_cache_worker()
1662 		spin_lock(&mg->lock);  in refresh_cache_worker()
1663 		if (i + mg->num_sessions > max_sessions)  in refresh_cache_worker()
1666 			count = mg->num_sessions;  in refresh_cache_worker()
1667 		memcpy(&sessions[i], mg->sessions, count * sizeof(mg->sessions[0]));  in refresh_cache_worker()
1668 		spin_unlock(&mg->lock);  in refresh_cache_worker()
1678 	list_for_each_entry_safe(mg, tmp_mg, &mglist, refresh_list) {  in refresh_cache_worker()
1679 		list_del_init(&mg->refresh_list);  in refresh_cache_worker()
1680 		kref_put(&mg->refcount, mount_group_release);  in refresh_cache_worker()