37 struct file_system_type *get_filesystem(struct file_system_type *fs)  in get_filesystem()  argument
39 	__module_get(fs->owner);  in get_filesystem()
40 	return fs;  in get_filesystem()
43 void put_filesystem(struct file_system_type *fs)  in put_filesystem()  argument
45 	module_put(fs->owner);  in put_filesystem()
71 int register_filesystem(struct file_system_type * fs)  in register_filesystem()  argument
76 	BUG_ON(strchr(fs->name, '.'));  in register_filesystem()
77 	if (fs->next)  in register_filesystem()
80 	p = find_filesystem(fs->name, strlen(fs->name));  in register_filesystem()
84 		*p = fs;  in register_filesystem()
103 int unregister_filesystem(struct file_system_type * fs)  in unregister_filesystem()  argument
110 		if (fs == *tmp) {  in unregister_filesystem()
111 			*tmp = fs->next;  in unregister_filesystem()
112 			fs->next = NULL;  in unregister_filesystem()
251 	struct file_system_type *fs;  in __get_fs_type()  local
254 	fs = *(find_filesystem(name, len));  in __get_fs_type()
255 	if (fs && !try_module_get(fs->owner))  in __get_fs_type()
256 		fs = NULL;  in __get_fs_type()
258 	return fs;  in __get_fs_type()
263 	struct file_system_type *fs;  in get_fs_type()  local
267 	fs = __get_fs_type(name, len);  in get_fs_type()
268 	if (!fs && (request_module("fs-%.*s", len, name) == 0)) {  in get_fs_type()
269 		fs = __get_fs_type(name, len);  in get_fs_type()
270 		WARN_ONCE(!fs, "request_module fs-%.*s succeeded, but still no fs?\n", len, name);  in get_fs_type()
273 	if (dot && fs && !(fs->fs_flags & FS_HAS_SUBTYPE)) {  in get_fs_type()
274 		put_filesystem(fs);  in get_fs_type()
275 		fs = NULL;  in get_fs_type()
277 	return fs;  in get_fs_type()