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.
