Al Viro aab407fc5c don't bother with vfsmount_lock in mounts_poll() ...

wake_up_interruptible/poll_wait provide sufficient barriers;
just use ACCESS_ONCE() to fetch ns->event and that's it.

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

2013-10-24 23:34:59 -04:00

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