Lines Matching refs:snap_empty_lock
72 * The 0->1 and 1->0 transitions must take the snap_empty_lock
80 spin_lock(&mdsc->snap_empty_lock);
83 spin_unlock(&mdsc->snap_empty_lock);
218 * We do not require the snap_empty_lock here, as any caller that
231 if (!atomic_dec_and_lock(&realm->nref, &mdsc->snap_empty_lock))
235 spin_unlock(&mdsc->snap_empty_lock);
240 spin_unlock(&mdsc->snap_empty_lock);
257 spin_lock(&mdsc->snap_empty_lock);
262 spin_unlock(&mdsc->snap_empty_lock);
264 spin_lock(&mdsc->snap_empty_lock);
266 spin_unlock(&mdsc->snap_empty_lock);