release/src-rt-6.x.4708/linux/linux-2.6.36/include/asm-generic/bitops/ext2-atomic.h

   1 #ifndef _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_
   2 #define _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_
   3
   4 #define ext2_set_bit_atomic(lock, nr, addr)             \
   5         ({                                              \
   6                 int ret;                                \
   7                 spin_lock(lock);                        \
   8                 ret = ext2_set_bit((nr), (unsigned long *)(addr)); \
   9                 spin_unlock(lock);                      \
  10                 ret;                                    \
  11         })
  12
  13 #define ext2_clear_bit_atomic(lock, nr, addr)           \
  14         ({                                              \
  15                 int ret;                                \
  16                 spin_lock(lock);                        \
  17                 ret = ext2_clear_bit((nr), (unsigned long *)(addr)); \
  18                 spin_unlock(lock);                      \
  19                 ret;                                    \
  20         })
  21
  22 #endif /* _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_ */