UBUNTU: ubuntu: AUFS -- update to c5021514085a5d96364e096dbd34cadb2251abfd

[linux-flexiantxendom0-natty.git] / ubuntu / aufs / wkq.c

diff --git a/ubuntu/aufs/wkq.c b/ubuntu/aufs/wkq.c
index 9739d3a..c2a31f9 100644 (file)
--- a/ubuntu/aufs/wkq.c
+++ b/ubuntu/aufs/wkq.c
@@ -160,6 +160,10 @@ int au_wkq_do_wait(unsigned int flags, au_wkq_func_t func, void *args)
 
 }
 
+/*
+ * Note: dget/dput() in func for aufs dentries are not supported. It will be a
+ * problem in a concurrent umounting.
+ */
 int au_wkq_nowait(au_wkq_func_t func, void *args, struct super_block *sb)
 {
        int err;