tree aa6d28122deb93e6f14b89d78987ef91d722b59d
parent 258e43fdb00c73d424b114ae3850accd55b27cbb
author Al Viro <viro@zeniv.linux.org.uk> 1310521223 -0400
committer Al Viro <viro@zeniv.linux.org.uk> 1310521223 -0400

Fix ->d_lock locking order in unlazy_walk()

Make sure that child is still a child of parent before nested locking
of child->d_lock in unlazy_walk(); otherwise we are risking a violation
of locking order and deadlocks.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>