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| author | Akinobu Mita <akinobu.mita@gmail.com> | 2011-07-26 16:09:04 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-26 16:49:46 -0700 |
| commit | 148817ba092f9f6edd35bad3c6c6b8e8f90fe2ed (patch) | |
| tree | 75cc7df62c9713bc1a44738026878a79653faa38 /arch/arm/include/asm | |
| parent | b2c9cd3793e5878e301ec2219785a7b8ca402ef1 (diff) | |
| download | blackbird-obmc-linux-148817ba092f9f6edd35bad3c6c6b8e8f90fe2ed.tar.gz blackbird-obmc-linux-148817ba092f9f6edd35bad3c6c6b8e8f90fe2ed.zip | |
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/include/asm')
| -rw-r--r-- | arch/arm/include/asm/bitops.h | 5 |
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__ */ |
