diff options
author | Akinobu Mita <akinobu.mita@gmail.com> | 2011-07-26 19:09:04 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-26 19:49:46 -0400 |
commit | 148817ba092f9f6edd35bad3c6c6b8e8f90fe2ed (patch) | |
tree | 75cc7df62c9713bc1a44738026878a79653faa38 /arch/alpha/include | |
parent | b2c9cd3793e5878e301ec2219785a7b8ca402ef1 (diff) |
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/alpha/include')
-rw-r--r-- | arch/alpha/include/asm/bitops.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/alpha/include/asm/bitops.h b/arch/alpha/include/asm/bitops.h index 85b815215776..a19ba5efea4c 100644 --- a/arch/alpha/include/asm/bitops.h +++ b/arch/alpha/include/asm/bitops.h | |||
@@ -456,8 +456,7 @@ sched_find_first_bit(const unsigned long b[2]) | |||
456 | 456 | ||
457 | #include <asm-generic/bitops/le.h> | 457 | #include <asm-generic/bitops/le.h> |
458 | 458 | ||
459 | #define ext2_set_bit_atomic(l,n,a) test_and_set_bit(n,a) | 459 | #include <asm-generic/bitops/ext2-atomic-setbit.h> |
460 | #define ext2_clear_bit_atomic(l,n,a) test_and_clear_bit(n,a) | ||
461 | 460 | ||
462 | #endif /* __KERNEL__ */ | 461 | #endif /* __KERNEL__ */ |
463 | 462 | ||