From 8a6d48c0542876eb3acfc0970c0ab7872db08d5f Mon Sep 17 00:00:00 2001 From: Zheng Da Date: Sun, 6 Dec 2009 05:26:23 +0100 Subject: check in the original version of dde linux26. --- .../include/asm-generic/bitops/ext2-atomic.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 libdde_linux26/contrib/include/asm-generic/bitops/ext2-atomic.h (limited to 'libdde_linux26/contrib/include/asm-generic/bitops/ext2-atomic.h') diff --git a/libdde_linux26/contrib/include/asm-generic/bitops/ext2-atomic.h b/libdde_linux26/contrib/include/asm-generic/bitops/ext2-atomic.h new file mode 100644 index 00000000..ab1c875e --- /dev/null +++ b/libdde_linux26/contrib/include/asm-generic/bitops/ext2-atomic.h @@ -0,0 +1,22 @@ +#ifndef _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_ +#define _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_ + +#define ext2_set_bit_atomic(lock, nr, addr) \ + ({ \ + int ret; \ + spin_lock(lock); \ + ret = ext2_set_bit((nr), (unsigned long *)(addr)); \ + spin_unlock(lock); \ + ret; \ + }) + +#define ext2_clear_bit_atomic(lock, nr, addr) \ + ({ \ + int ret; \ + spin_lock(lock); \ + ret = ext2_clear_bit((nr), (unsigned long *)(addr)); \ + spin_unlock(lock); \ + ret; \ + }) + +#endif /* _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_ */ -- cgit v1.2.3