On 2017/2/4 7:48, Jaegeuk Kim wrote: > We need to flush data writes before flushing last node block writes by using > FUA with PREFLUSH. We don't need to guarantee precedent node writes since if > those are not written, we can't reach to the last node block when scanning > node block chain during roll-forward recovery. > Afterwards f2fs_wait_on_page_writeback guarantees all the IO submission to > disk, which builds a valid node block chain. > > Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx> Reviewed-by: Chao Yu <yuchao0@xxxxxxxxxx>
