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, 1 insertions, 9 deletions

diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index 64489e714c95..c4ce01180b6f 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -1862,15 +1862,9 @@ static int __init dm_mirror_init(void)
 {
         int r;
 
-        r = dm_dirty_log_init();
-        if (r)
-                return r;
-
         r = dm_register_target(&mirror_target);
-        if (r < 0) {
+        if (r < 0)
                 DMERR("Failed to register mirror target");
-                dm_dirty_log_exit();
-        }
 
         return r;
 }
@@ -1882,8 +1876,6 @@ static void __exit dm_mirror_exit(void)
         r = dm_unregister_target(&mirror_target);
         if (r < 0)
                 DMERR("unregister failed %d", r);
-
-        dm_dirty_log_exit();
 }
 
 /* Module hooks */