Hi, On Wed, Jan 23, 2019 at 08:05:11PM +0800, liaoweixiong wrote: > Why should we need pstore_block? > 1. Most embedded intelligent equipment have no persistent ram, which > increases costs. We perfer to cheaper solutions, like block devices. > In fast, there is already a sample for block device logger in driver > MTD (drivers/mtd/mtdoops.c). I think you should add a patch for some actual block device using this new framework to show that it can work. What HW you think would be using things? A.