commit 3db3c62584fbafee52a068035cc4c57e7b921acf
author Maarten Lankhorst <m.b.lankhorst@gmail.com> Fri Mar 08 16:07:27 2013 +0100
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> Mon Mar 25 10:42:36 2013 -0700
tree b4d77f9833981ec5a089a3f29672dfce44687c4c
parent 91721197def2fc69abf152c47dbb87eed0f13333

sysfs: use atomic_inc_unless_negative in sysfs_get_active

It seems that sysfs has an interesting way of doing the same thing.
This removes the cpu_relax unfortunately, but if it's really needed,
it would be better to add this to include/linux/atomic.h to benefit
all atomic ops users.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>