5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
28 lines
600 B
C
28 lines
600 B
C
/* 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_ */
|