asm-generic/bitops/lock.h

1 /* SPDX-License-Identifier: GPL-2.0 */
10  * arch_test_and_set_bit_lock - Set a bit and return its old value, for lock
11  * @nr: Bit to set
16  * It can be used to implement bit locks.
34  * arch_clear_bit_unlock - Clear a bit in memory, for unlock
35  * @nr: the bit to set
48  * arch___clear_bit_unlock - Clear a bit in memory, for unlock
49  * @nr: the bit to set
70  * arch_clear_bit_unlock_is_negative_byte - Clear a bit in memory and test if bottom
72  * @nr: the bit to clear
75  * This is a bit of a one-trick-pony for the filemap code, which clears
87 	return !!(old & BIT(7));  in arch_clear_bit_unlock_is_negative_byte()
92 #include <asm-generic/bitops/instrumented-lock.h>