From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Tue, 26 Jul 2011 23:09:04 +0000 (-0700)
Subject: asm-generic: add another generic ext2 atomic bitops
X-Git-Tag: v3.1-rc1~163
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=148817ba092f9f6edd35bad3c6c6b8e8f90fe2ed;p=pandora-kernel.git

asm-generic: add another generic ext2 atomic bitops

The majority of architectures implement ext2 atomic bitops as
test_and_{set,clear}_bit() without spinlock.

This adds this type of generic implementation in ext2-atomic-setbit.h and
use it wherever possible.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Suggested-by: Andreas Dilger <adilger@dilger.ca>
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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