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>

1 files changed, 1 insertions, 4 deletions

diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h
index f18c6d9b9510..e137afcc10fa 100644
--- a/arch/powerpc/include/asm/bitops.h
+++ b/arch/powerpc/include/asm/bitops.h
@@ -327,10 +327,7 @@ unsigned long find_next_bit_le(const void *addr,
                                     unsigned long size, unsigned long offset);
 /* Bitmap functions for the ext2 filesystem */
 
-#define ext2_set_bit_atomic(lock, nr, addr) \
-        test_and_set_bit_le((nr), (unsigned long*)addr)
-#define ext2_clear_bit_atomic(lock, nr, addr) \
-        test_and_clear_bit_le((nr), (unsigned long*)addr)
+#include <asm-generic/bitops/ext2-atomic-setbit.h>
 
 #include <asm-generic/bitops/sched.h>