ptr_ring_produce

Name:Note: resize (below) nests producer lock within consumer lock, so if you* consume in interrupt or BH context, you must disable interrupts/BH when* calling this.

Proto:static inline int ptr_ring_produce(struct ptr_ring *r, void *ptr)

Type:int

Parameter:

Type	Parameter	Name
struct ptr_ring *	r
void *	ptr

127

spin_lock( & producer_lock)

128

ret = Note: callers invoking this in a loop must use a compiler barrier,* for example cpu_relax(). Callers must hold producer_lock.* Callers are responsible for making sure pointer that is being queued* points to a valid data.

129

spin_unlock( & producer_lock)

131

Return ret

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