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/sparc/include/asm/bitops_64.h b/arch/sparc/include/asm/bitops_64.h
index 38e9aa1b2cea..325e295d60de 100644
--- a/arch/sparc/include/asm/bitops_64.h
+++ b/arch/sparc/include/asm/bitops_64.h
@@ -91,10 +91,7 @@ static inline unsigned int __arch_hweight8(unsigned int w)
 
 #include <asm-generic/bitops/le.h>
 
-#define ext2_set_bit_atomic(lock,nr,addr) \
-        test_and_set_bit((nr) ^ 0x38,(unsigned long *)(addr))
-#define ext2_clear_bit_atomic(lock,nr,addr) \
-        test_and_clear_bit((nr) ^ 0x38,(unsigned long *)(addr))
+#include <asm-generic/bitops/ext2-atomic-setbit.h>
 
 #endif /* __KERNEL__ */