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()
74 	if (lockref->count > 0) {  in lockref_get_not_zero()
75 		lockref->count++;  in lockref_get_not_zero()
84  * lockref_put_return - Decrement reference count if possible
87  * Decrement the reference count and return the new value.
93 		new.count--;  in lockref_put_return()
94 		if (old.count <= 0)  in lockref_put_return()
97 		return new.count;  in lockref_put_return()
104  * lockref_put_or_lock - decrements count unless count <= 1 before decrement
106  * Return: 1 if count updated successfully or 0 if count <= 1 and lock taken
111 		new.count--;  in lockref_put_or_lock()
112 		if (old.count <= 1)  in lockref_put_or_lock()
119 	if (lockref->count <= 1)  in lockref_put_or_lock()
121 	lockref->count--;  in lockref_put_or_lock()
134 	lockref->count = -128;  in lockref_mark_dead()
139  * lockref_get_not_dead - Increments count unless the ref is dead
141  * Return: 1 if count updated successfully or 0 if lockref was dead
148 		new.count++;  in lockref_get_not_dead()
149 		if (old.count < 0)  in lockref_get_not_dead()
156 	if (lockref->count >= 0) {  in lockref_get_not_dead()
157 		lockref->count++;  in lockref_get_not_dead()