tree b479c60a43f22e3bb99d9ebf1af89de2a7020673
parent b81a618dcd3ea99de292dbe624f41ca68f464376
author Ian Kent <raven@themaw.net> 1300989062 +0800
committer Al Viro <viro@zeniv.linux.org.uk> 1300991072 -0400

vfs - check non-mountpoint dentry might block in __follow_mount_rcu()

When following a mount in rcu-walk mode we must check if the incoming dentry
is telling us it may need to block, even if it isn't actually a mountpoint.

Signed-off-by: Ian Kent <raven@themaw.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>