dm log: move dirty region log code into separate module

Move the dirty region log code into a separate module so
other targets can share the code.

Signed-off-by: Heinz Mauelshagen <hjm@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

1 files changed, 8 insertions, 1 deletions

diff --git a/drivers/md/dm-log.c b/drivers/md/dm-log.c
index 34c25b0073ec..f6b20def2ac8 100644
--- a/drivers/md/dm-log.c
+++ b/drivers/md/dm-log.c
@@ -777,7 +777,7 @@ int __init dm_dirty_log_init(void)
         return r;
 }
 
-void dm_dirty_log_exit(void)
+void __exit dm_dirty_log_exit(void)
 {
         dm_unregister_dirty_log_type(&_disk_type);
         dm_unregister_dirty_log_type(&_core_type);
@@ -787,3 +787,10 @@ EXPORT_SYMBOL(dm_register_dirty_log_type);
 EXPORT_SYMBOL(dm_unregister_dirty_log_type);
 EXPORT_SYMBOL(dm_create_dirty_log);
 EXPORT_SYMBOL(dm_destroy_dirty_log);
+
+module_init(dm_dirty_log_init);
+module_exit(dm_dirty_log_exit);
+
+MODULE_DESCRIPTION(DM_NAME " dirty region log");
+MODULE_AUTHOR("Joe Thornber, Heinz Mauelshagen <dm-devel@redhat.com>");
+MODULE_LICENSE("GPL");