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-rw-r--r--fs/notify/group.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/fs/notify/group.c b/fs/notify/group.c
index d16b62cb2854..3e2dd85be5dd 100644
--- a/fs/notify/group.c
+++ b/fs/notify/group.c
@@ -47,12 +47,21 @@ static void fsnotify_final_destroy_group(struct fsnotify_group *group)
*/
void fsnotify_destroy_group(struct fsnotify_group *group)
{
- /* clear all inode marks for this group */
- fsnotify_clear_marks_by_group(group);
+ /* clear all inode marks for this group, attach them to destroy_list */
+ fsnotify_detach_group_marks(group);
- synchronize_srcu(&fsnotify_mark_srcu);
+ /*
+ * Wait for fsnotify_mark_srcu period to end and free all marks in
+ * destroy_list
+ */
+ fsnotify_mark_destroy_list();
- /* clear the notification queue of all events */
+ /*
+ * Since we have waited for fsnotify_mark_srcu in
+ * fsnotify_mark_destroy_list() there can be no outstanding event
+ * notification against this group. So clearing the notification queue
+ * of all events is reliable now.
+ */
fsnotify_flush_notify(group);
/*