[linux-block.git] / include / asm-generic / bitops / ext2-atomic.h

/* SPDX-License-Identifier: GPL-2.0 */
#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_ */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
765f34fe AM	2	#ifndef _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_
	3	#define _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_
	4
148817ba AM	5	/*
	6	* Spinlock based version of ext2 atomic bitops
	7	*/
	8
765f34fe AM	9	#define ext2_set_bit_atomic(lock, nr, addr) \
	10	({ \
	11	int ret; \
	12	spin_lock(lock); \
c5653005	13	ret = __test_and_set_bit_le(nr, addr); \
765f34fe AM	14	spin_unlock(lock); \
	15	ret; \
	16	})
	17
	18	#define ext2_clear_bit_atomic(lock, nr, addr) \
	19	({ \
	20	int ret; \
	21	spin_lock(lock); \
c5653005	22	ret = __test_and_clear_bit_le(nr, addr); \
765f34fe AM	23	spin_unlock(lock); \
	24	ret; \
	25	})
	26
	27	#endif /* _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_ */