dnotify: do not bother to lock entry->lock when reading mask
entry->lock is needed to make sure entry->mask does not change while
manipulating it. In dnotify_should_send_event() we don't care if we get an
old or a new mask value out of this entry so there is no point it taking
the lock.
Signed-off-by: Eric Paris <eparis@redhat.com>
diff --git a/fs/notify/dnotify/dnotify.c b/fs/notify/dnotify/dnotify.c
index 5134e89..ec459b6 100644
--- a/fs/notify/dnotify/dnotify.c
+++ b/fs/notify/dnotify/dnotify.c
@@ -153,9 +153,8 @@
if (!entry)
return false;
- spin_lock(&entry->lock);
send = (mask & entry->mask);
- spin_unlock(&entry->lock);
+
fsnotify_put_mark(entry); /* matches fsnotify_find_mark_entry */
return send;