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(parent: 9172119) | patch
sysfs: use atomic_inc_unless_negative in sysfs_get_active
authorMaarten Lankhorst <m.b.lankhorst@gmail.com>
Fri, 8 Mar 2013 15:07:27 +0000 (16:07 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 25 Mar 2013 17:42:36 +0000 (10:42 -0700)
commit3db3c62584fbafee52a068035cc4c57e7b921acf
treeb4d77f9833981ec5a089a3f29672dfce44687c4ctree | snapshot
parent91721197def2fc69abf152c47dbb87eed0f13333commit | diff
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>
fs/sysfs/dir.c diff | blob | history
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