Lines Matching defs:fence
29 * Note that it works slightly differently to the sync queue; fence == pos
85 pb->fence = pb->size - 8;
142 WARN_ON(pb->pos == pb->fence);
158 pb->fence += slots * 8;
160 if (pb->fence >= pb->size)
161 pb->fence -= pb->size;
169 unsigned int fence = pb->fence;
171 if (pb->fence < pb->pos)
172 fence += pb->size;
174 return (fence - pb->pos) / 8;