mutex_lock_interruptible
r = mutex_lock_interruptible(&dev->filelist_mutex);
ret = mutex_lock_interruptible(&file_priv->event_read_lock);
ret = mutex_lock_interruptible(&file_priv->event_read_lock);
ret = mutex_lock_interruptible(&obj->base.dev->struct_mutex);
ret = mutex_lock_interruptible(&i915->drm.struct_mutex);
ret = mutex_lock_interruptible(&i915->drm.struct_mutex);
ret = mutex_lock_interruptible(&dev->struct_mutex);
ret = mutex_lock_interruptible(&i915->drm.struct_mutex);
err = mutex_lock_interruptible(&obj->mm.lock);
ret = mutex_lock_interruptible(&obj->mm.lock);
err = mutex_lock_interruptible(&obj->mm.lock);
ret = mutex_lock_interruptible(&dev->struct_mutex);
err = mutex_lock_interruptible(&dev->struct_mutex);
err = mutex_lock_interruptible(&dev_priv->perf.metrics_lock);
ret = mutex_lock_interruptible(&dev_priv->perf.metrics_lock);
ret = mutex_lock_interruptible(&dev_priv->perf.metrics_lock);
ret = mutex_lock_interruptible(&dev_priv->drm.struct_mutex);
ret = mutex_lock_interruptible(&dev_priv->drm.struct_mutex);
ret = mutex_lock_interruptible(&dev_priv->fbc.lock);
ret = mutex_lock_interruptible(&dev_priv->psr.lock);
ret = mutex_lock_interruptible(&bo->wu_mutex);
return mutex_lock_interruptible(&man->io_reserve_mutex);