Lines Matching refs:snap_empty_lock
71 * The 0->1 and 1->0 transitions must take the snap_empty_lock
79 spin_lock(&mdsc->snap_empty_lock);
82 spin_unlock(&mdsc->snap_empty_lock);
212 * We do not require the snap_empty_lock here, as any caller that
225 if (!atomic_dec_and_lock(&realm->nref, &mdsc->snap_empty_lock))
229 spin_unlock(&mdsc->snap_empty_lock);
234 spin_unlock(&mdsc->snap_empty_lock);
251 spin_lock(&mdsc->snap_empty_lock);
256 spin_unlock(&mdsc->snap_empty_lock);
258 spin_lock(&mdsc->snap_empty_lock);
260 spin_unlock(&mdsc->snap_empty_lock);