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authorAkinobu Mita <akinobu.mita@gmail.com>2011-07-27 03:09:04 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-27 03:49:46 +0400
commit148817ba092f9f6edd35bad3c6c6b8e8f90fe2ed (patch)
tree75cc7df62c9713bc1a44738026878a79653faa38 /arch/arm
parentb2c9cd3793e5878e301ec2219785a7b8ca402ef1 (diff)
downloadlinux-148817ba092f9f6edd35bad3c6c6b8e8f90fe2ed.tar.xz
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>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/include/asm/bitops.h5
1 files changed, 1 insertions, 4 deletions
diff --git a/arch/arm/include/asm/bitops.h b/arch/arm/include/asm/bitops.h
index f4280593dfa3..f7419ef9c8f9 100644
--- a/arch/arm/include/asm/bitops.h
+++ b/arch/arm/include/asm/bitops.h
@@ -310,10 +310,7 @@ static inline int find_next_bit_le(const void *p, int size, int offset)
/*
* Ext2 is defined to use little-endian byte ordering.
*/
-#define ext2_set_bit_atomic(lock, nr, p) \
- test_and_set_bit_le(nr, p)
-#define ext2_clear_bit_atomic(lock, nr, p) \
- test_and_clear_bit_le(nr, p)
+#include <asm-generic/bitops/ext2-atomic-setbit.h>
#endif /* __KERNEL__ */