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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/mn10300 | |
| parent | b2c9cd3793e5878e301ec2219785a7b8ca402ef1 (diff) | |
| download | lwn-148817ba092f9f6edd35bad3c6c6b8e8f90fe2ed.tar.gz lwn-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/mn10300')
| -rw-r--r-- | arch/mn10300/include/asm/bitops.h | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/arch/mn10300/include/asm/bitops.h b/arch/mn10300/include/asm/bitops.h index 0939462967e3..596bb2706d81 100644 --- a/arch/mn10300/include/asm/bitops.h +++ b/arch/mn10300/include/asm/bitops.h @@ -227,12 +227,7 @@ int ffs(int x) #include <asm-generic/bitops/find.h> #include <asm-generic/bitops/sched.h> #include <asm-generic/bitops/hweight.h> - -#define ext2_set_bit_atomic(lock, nr, addr) \ - test_and_set_bit((nr), (addr)) -#define ext2_clear_bit_atomic(lock, nr, addr) \ - test_and_clear_bit((nr), (addr)) - +#include <asm-generic/bitops/ext2-atomic-setbit.h> #include <asm-generic/bitops/le.h> #endif /* __KERNEL__ */ |