| DIR:/usr/src/kernels/3.10.0-1160.119.1.el7.x86_64/include/asm-generic/bitops/ |
| Current File : //usr/src/kernels/3.10.0-1160.119.1.el7.x86_64/include/asm-generic/bitops/ext2-atomic.h |
#ifndef _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_
#define _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_
/*
* Spinlock based version of ext2 atomic bitops
*/
#define ext2_set_bit_atomic(lock, nr, addr) \
({ \
int ret; \
spin_lock(lock); \
ret = __test_and_set_bit_le(nr, addr); \
spin_unlock(lock); \
ret; \
})
#define ext2_clear_bit_atomic(lock, nr, addr) \
({ \
int ret; \
spin_lock(lock); \
ret = __test_and_clear_bit_le(nr, addr); \
spin_unlock(lock); \
ret; \
})
#endif /* _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_ */
|