1. 根目录:
2. include
3. asm-generic
4. bitops
5. ext2-atomic-setbit.h

#ifndef _ASM_GENERIC_BITOPS_EXT2_ATOMIC_SETBIT_H_
#define _ASM_GENERIC_BITOPS_EXT2_ATOMIC_SETBIT_H_

/*
 * Atomic bitops based version of ext2 atomic bitops
 */

#define ext2_set_bit_atomic(l, nr, addr)	test_and_set_bit_le(nr, addr)
#define ext2_clear_bit_atomic(l, nr, addr)	test_and_clear_bit_le(nr, addr)

#endif /* _ASM_GENERIC_BITOPS_EXT2_ATOMIC_SETBIT_H_ */