37  * lockref_get - Increments reference count unconditionally
41  * to the object, so you know the count cannot be zero.
46 		new.count++;  in lockref_get()
52 	lockref->count++;  in lockref_get()
58  * lockref_get_not_zero - Increments count unless the count is 0 or dead
60  * Return: 1 if count updated successfully or 0 if count was zero
67 		new.count++;  in lockref_get_not_zero()
68 		if (old.count <= 0)  in lockref_get_not_zero()
76 	if (lockref->count > 0) {  in lockref_get_not_zero()
77 		lockref->count++;  in lockref_get_not_zero()
86  * lockref_put_not_zero - Decrements count unless count <= 1 before decrement
88  * Return: 1 if count updated successfully or 0 if count would become zero
95 		new.count--;  in lockref_put_not_zero()
96 		if (old.count <= 1)  in lockref_put_not_zero()
104 	if (lockref->count > 1) {  in lockref_put_not_zero()
105 		lockref->count--;  in lockref_put_not_zero()
114  * lockref_get_or_lock - Increments count unless the count is 0 or dead
116  * Return: 1 if count updated successfully or 0 if count was zero
122 		new.count++;  in lockref_get_or_lock()
123 		if (old.count <= 0)  in lockref_get_or_lock()
130 	if (lockref->count <= 0)  in lockref_get_or_lock()
132 	lockref->count++;  in lockref_get_or_lock()
139  * lockref_put_return - Decrement reference count if possible
142  * Decrement the reference count and return the new value.
148 		new.count--;  in lockref_put_return()
149 		if (old.count <= 0)  in lockref_put_return()
152 		return new.count;  in lockref_put_return()
159  * lockref_put_or_lock - decrements count unless count <= 1 before decrement
161  * Return: 1 if count updated successfully or 0 if count <= 1 and lock taken
166 		new.count--;  in lockref_put_or_lock()
167 		if (old.count <= 1)  in lockref_put_or_lock()
174 	if (lockref->count <= 1)  in lockref_put_or_lock()
176 	lockref->count--;  in lockref_put_or_lock()
189 	lockref->count = -128;  in lockref_mark_dead()
194  * lockref_get_not_dead - Increments count unless the ref is dead
196  * Return: 1 if count updated successfully or 0 if lockref was dead
203 		new.count++;  in lockref_get_not_dead()
204 		if (old.count < 0)  in lockref_get_not_dead()
212 	if (lockref->count >= 0) {  in lockref_get_not_dead()
213 		lockref->count++;  in lockref_get_not_dead()