On Thu, Feb 11, 2021 at 09:58:09AM +0000, Johannes Thumshirn wrote: > On 10/02/2021 21:02, David Sterba wrote: > >> This series implements superblock log writing. It uses two zones as a > >> circular buffer to write updated superblocks. Once the first zone is filled > >> up, start writing into the second zone. The first zone will be reset once > >> both zones are filled. We can determine the postion of the latest > >> superblock by reading the write pointer information from a device. > > > > About that, in this patchset it's still leaving superblock at the fixed > > zone number while we want it at a fixed location, spanning 2 zones > > regardless of their size. > > We'll always need 2 zones or otherwise we won't be powercut safe. Yes we do, that hasn't changed.