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Lines Matching refs:bitmap

81 wait_bit_hash(const volatile unsigned long *bitmap, unsigned bit)
84 	const volatile unsigned long *word = bitmap + bit/(NBBY*sizeof(*word));
91 wait_bit_enter(const volatile unsigned long *bitmap, unsigned bit)
93 	struct waitbitentry *wbe = &waitbittab[wait_bit_hash(bitmap, bit)].ent;
108  * clear_and_wake_up_bit(bit, bitmap)
110  *	Clear the specified bit in the bitmap and wake any waiters in
115 clear_and_wake_up_bit(int bit, volatile unsigned long *bitmap)
119 	wbe = wait_bit_enter(bitmap, bit);
120 	clear_bit(bit, bitmap);
126  * wait_on_bit(bitmap, bit, flags)
128  *	Wait for the specified bit in bitmap to be cleared.  Returns 0
133 wait_on_bit(const volatile unsigned long *bitmap, unsigned bit, int flags)
138 	if (test_bit(bit, bitmap) == 0)
141 	wbe = wait_bit_enter(bitmap, bit);
143 	while (test_bit(bit, bitmap)) {
159 	KASSERT(test_bit(bit, bitmap) == 0);
162 out:	KASSERT(test_bit(bit, bitmap) == 0 || ret != 0);
168  * wait_on_bit_timeout(bitmap, bit, flags, timeout)
170  *	Wait for the specified bit in bitmap to be cleared.  Returns 0
175 wait_on_bit_timeout(const volatile unsigned long *bitmap, unsigned bit,
181 	if (test_bit(bit, bitmap) == 0)
184 	wbe = wait_bit_enter(bitmap, bit);
186 	while (test_bit(bit, bitmap)) {
226 	KASSERT(test_bit(bit, bitmap) == 0);
229 out:	KASSERT(test_bit(bit, bitmap) == 0 || ret != 0);