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, 1 insertions, 0 deletions

diff --git a/fs/fscache/object.c b/fs/fscache/object.c
index 392a41b1b79d..d236eb1d6f37 100644
--- a/fs/fscache/object.c
+++ b/fs/fscache/object.c
@@ -45,6 +45,7 @@ static void fscache_enqueue_dependents(struct fscache_object *);
 static void fscache_dequeue_object(struct fscache_object *);
 
 const struct slow_work_ops fscache_object_slow_work_ops = {
+        .owner          = THIS_MODULE,
         .get_ref        = fscache_object_slow_work_get_ref,
         .put_ref        = fscache_object_slow_work_put_ref,
         .execute        = fscache_object_slow_work_execute,