From 3664ff82dae1ef9f14f7763d3dd30565e7ef9e14 Mon Sep 17 00:00:00 2001 From: Yangtao Li Date: Mon, 10 Apr 2023 00:43:37 +0800 Subject: dm: add helper macro for simple DM target module init and exit Eliminate duplicate boilerplate code for simple modules that contain a single DM target driver without any additional setup code. Add a new module_dm() macro, which replaces the module_init() and module_exit() with template functions that call dm_register_target() and dm_unregister_target() respectively. Signed-off-by: Yangtao Li Signed-off-by: Mike Snitzer --- drivers/md/dm-zero.c | 14 +------------- 1 file changed, 1 insertion(+), 13 deletions(-) (limited to 'drivers/md/dm-zero.c') diff --git a/drivers/md/dm-zero.c b/drivers/md/dm-zero.c index 884ac726a743..3b13e6eb1aa4 100644 --- a/drivers/md/dm-zero.c +++ b/drivers/md/dm-zero.c @@ -75,19 +75,7 @@ static struct target_type zero_target = { .map = zero_map, .io_hints = zero_io_hints, }; - -static int __init dm_zero_init(void) -{ - return dm_register_target(&zero_target); -} - -static void __exit dm_zero_exit(void) -{ - dm_unregister_target(&zero_target); -} - -module_init(dm_zero_init) -module_exit(dm_zero_exit) +module_dm(zero); MODULE_AUTHOR("Jana Saout "); MODULE_DESCRIPTION(DM_NAME " dummy target returning zeros"); -- cgit v1.2.3