SLOW_WORK: Wait for outstanding work items belonging to a module to clear

Wait for outstanding slow work items belonging to a module to clear when
unregistering that module as a user of the facility.  This prevents the put_ref
code of a work item from being taken away before it returns.

Signed-off-by: David Howells <dhowells@redhat.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/fs/fscache/main.c b/fs/fscache/main.c
index 4de41b597499..add6bdb53f04 100644
--- a/fs/fscache/main.c
+++ b/fs/fscache/main.c
@@ -48,7 +48,7 @@ static int __init fscache_init(void)
 {
         int ret;
 
-        ret = slow_work_register_user();
+        ret = slow_work_register_user(THIS_MODULE);
         if (ret < 0)
                 goto error_slow_work;
 
@@ -80,7 +80,7 @@ error_kobj:
 error_cookie_jar:
         fscache_proc_cleanup();
 error_proc:
-        slow_work_unregister_user();
+        slow_work_unregister_user(THIS_MODULE);
 error_slow_work:
         return ret;
 }
@@ -97,7 +97,7 @@ static void __exit fscache_exit(void)
         kobject_put(fscache_root);
         kmem_cache_destroy(fscache_cookie_jar);
         fscache_proc_cleanup();
-        slow_work_unregister_user();
+        slow_work_unregister_user(THIS_MODULE);
         printk(KERN_NOTICE "FS-Cache: Unloaded\n");
 }