On Tue, Jun 14, 2022 at 04:50:22PM +0800, Qu Wenruo wrote: > The same way as data? > > map-logical to find the location of a mirror, write 4 bytes of zero into > the location, then call it a day. > > Although for metadata, you may want to choose a metadata that would > definitely get read. > Thus tree root is a good candidate. And how do I find out the logic address of the tree root?
