On Tue, 14 Feb 2023 at 15:35, Ming Lei <ming.lei@xxxxxxxxxx> wrote: > I understand it isn't one issue from block device driver viewpoint at > least, since the WRITE to buffer in sink end can be thought as DMA > to buffer from device, and it is the upper layer(FS)'s responsibility > for updating page flag. And block driver needn't to handle page > status update. The block device still needs to know when the DMA is finished, right? Thanks, Miklos
