tree 88d4abe38ce55bdac9c8b207a0dce743504e0a28
parent 946e51f2bf37f1656916eb75bd0742ba33983c28
author Al Viro <viro@zeniv.linux.org.uk> 1414366270 -0400
committer Al Viro <viro@zeniv.linux.org.uk> 1415046136 -0500

deal with deadlock in d_walk()

... by not hitting rename_retry for reasons other than rename having
happened.  In other words, do _not_ restart when finding that
between unlocking the child and locking the parent the former got
into __dentry_kill().  Skip the killed siblings instead...

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