[PATCH 3.16.y-ckt 215/216] deal with deadlock in d_walk()

3.16.7-ckt4 -stable review patch. If anyone has any objections, please let me know. -- From: Al Viro commit ca5358ef75fc69fee5322a38a340f5739d997c10 upstream. ... by not hitting rename_retry for reasons other than rename having happened. In other words, do _not_ restart

[PATCH 3.16.y-ckt 215/216] deal with deadlock in d_walk()

3.16.7-ckt4 -stable review patch. If anyone has any objections, please let me know. -- From: Al Viro v...@zeniv.linux.org.uk commit ca5358ef75fc69fee5322a38a340f5739d997c10 upstream. ... by not hitting rename_retry for reasons other than rename having happened. In other