35  * lockref_get - Increments reference count unconditionally
39  * to the object, so you know the count cannot be zero.
44 		new.count++;  in lockref_get()
50 	lockref->count++;  in lockref_get()
56  * lockref_get_not_zero - Increments count unless the count is 0 or dead
58  * Return: 1 if count updated successfully or 0 if count was zero
65 		new.count++;  in lockref_get_not_zero()
66 		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_not_zero - Decrements count unless count <= 1 before decrement
86  * Return: 1 if count updated successfully or 0 if count would become zero
93 		new.count--;  in lockref_put_not_zero()
94 		if (old.count <= 1)  in lockref_put_not_zero()
102 	if (lockref->count > 1) {  in lockref_put_not_zero()
103 		lockref->count--;  in lockref_put_not_zero()
112  * lockref_get_or_lock - Increments count unless the count is 0 or dead
114  * Return: 1 if count updated successfully or 0 if count was zero
120 		new.count++;  in lockref_get_or_lock()
121 		if (old.count <= 0)  in lockref_get_or_lock()
128 	if (lockref->count <= 0)  in lockref_get_or_lock()
130 	lockref->count++;  in lockref_get_or_lock()
137  * lockref_put_return - Decrement reference count if possible
140  * Decrement the reference count and return the new value.
146 		new.count--;  in lockref_put_return()
147 		if (old.count <= 0)  in lockref_put_return()
150 		return new.count;  in lockref_put_return()
157  * lockref_put_or_lock - decrements count unless count <= 1 before decrement
159  * Return: 1 if count updated successfully or 0 if count <= 1 and lock taken
164 		new.count--;  in lockref_put_or_lock()
165 		if (old.count <= 1)  in lockref_put_or_lock()
172 	if (lockref->count <= 1)  in lockref_put_or_lock()
174 	lockref->count--;  in lockref_put_or_lock()
187 	lockref->count = -128;  in lockref_mark_dead()
192  * lockref_get_not_dead - Increments count unless the ref is dead
194  * Return: 1 if count updated successfully or 0 if lockref was dead
201 		new.count++;  in lockref_get_not_dead()
202 		if (old.count < 0)  in lockref_get_not_dead()
210 	if (lockref->count >= 0) {  in lockref_get_not_dead()
211 		lockref->count++;  in lockref_get_not_dead()