36  * lockref_get - Increments reference count unconditionally
40  * to the object, so you know the count cannot be zero.
45 		new.count++;  in lockref_get()
51 	lockref->count++;  in lockref_get()
57  * lockref_get_not_zero - Increments count unless the count is 0 or dead
59  * Return: 1 if count updated successfully or 0 if count was zero
66 		new.count++;  in lockref_get_not_zero()
67 		if (old.count <= 0)  in lockref_get_not_zero()
75 	if (lockref->count > 0) {  in lockref_get_not_zero()
76 		lockref->count++;  in lockref_get_not_zero()
85  * lockref_put_not_zero - Decrements count unless count <= 1 before decrement
87  * Return: 1 if count updated successfully or 0 if count would become zero
94 		new.count--;  in lockref_put_not_zero()
95 		if (old.count <= 1)  in lockref_put_not_zero()
103 	if (lockref->count > 1) {  in lockref_put_not_zero()
104 		lockref->count--;  in lockref_put_not_zero()
113  * lockref_put_return - Decrement reference count if possible
116  * Decrement the reference count and return the new value.
122 		new.count--;  in lockref_put_return()
123 		if (old.count <= 0)  in lockref_put_return()
126 		return new.count;  in lockref_put_return()
133  * lockref_put_or_lock - decrements count unless count <= 1 before decrement
135  * Return: 1 if count updated successfully or 0 if count <= 1 and lock taken
140 		new.count--;  in lockref_put_or_lock()
141 		if (old.count <= 1)  in lockref_put_or_lock()
148 	if (lockref->count <= 1)  in lockref_put_or_lock()
150 	lockref->count--;  in lockref_put_or_lock()
163 	lockref->count = -128;  in lockref_mark_dead()
168  * lockref_get_not_dead - Increments count unless the ref is dead
170  * Return: 1 if count updated successfully or 0 if lockref was dead
177 		new.count++;  in lockref_get_not_dead()
178 		if (old.count < 0)  in lockref_get_not_dead()
186 	if (lockref->count >= 0) {  in lockref_get_not_dead()
187 		lockref->count++;  in lockref_get_not_dead()