38  * lockref_get - Increments reference count unconditionally
42  * to the object, so you know the count cannot be zero.
47 		new.count++;  in lockref_get()
53 	lockref->count++;  in lockref_get()
59  * lockref_get_not_zero - Increments count unless the count is 0 or dead
61  * Return: 1 if count updated successfully or 0 if count was zero
68 		new.count++;  in lockref_get_not_zero()
69 		if (old.count <= 0)  in lockref_get_not_zero()
77 	if (lockref->count > 0) {  in lockref_get_not_zero()
78 		lockref->count++;  in lockref_get_not_zero()
87  * lockref_put_not_zero - Decrements count unless count <= 1 before decrement
89  * Return: 1 if count updated successfully or 0 if count would become zero
96 		new.count--;  in lockref_put_not_zero()
97 		if (old.count <= 1)  in lockref_put_not_zero()
105 	if (lockref->count > 1) {  in lockref_put_not_zero()
106 		lockref->count--;  in lockref_put_not_zero()
115  * lockref_get_or_lock - Increments count unless the count is 0 or dead
117  * Return: 1 if count updated successfully or 0 if count was zero
123 		new.count++;  in lockref_get_or_lock()
124 		if (old.count <= 0)  in lockref_get_or_lock()
131 	if (lockref->count <= 0)  in lockref_get_or_lock()
133 	lockref->count++;  in lockref_get_or_lock()
140  * lockref_put_return - Decrement reference count if possible
143  * Decrement the reference count and return the new value.
149 		new.count--;  in lockref_put_return()
150 		if (old.count <= 0)  in lockref_put_return()
153 		return new.count;  in lockref_put_return()
160  * lockref_put_or_lock - decrements count unless count <= 1 before decrement
162  * Return: 1 if count updated successfully or 0 if count <= 1 and lock taken
167 		new.count--;  in lockref_put_or_lock()
168 		if (old.count <= 1)  in lockref_put_or_lock()
175 	if (lockref->count <= 1)  in lockref_put_or_lock()
177 	lockref->count--;  in lockref_put_or_lock()
190 	lockref->count = -128;  in lockref_mark_dead()
195  * lockref_get_not_dead - Increments count unless the ref is dead
197  * Return: 1 if count updated successfully or 0 if lockref was dead
204 		new.count++;  in lockref_get_not_dead()
205 		if (old.count < 0)  in lockref_get_not_dead()
213 	if (lockref->count >= 0) {  in lockref_get_not_dead()
214 		lockref->count++;  in lockref_get_not_dead()