On Tue, Dec 08, 2020 at 12:04:03PM +0100, Christoph Hellwig wrote: > can you send me details of your device mapper setup, e.g. which targets > are used, are they used on top of whole device or partitions. Do you > use partitions on top of the dm devices? Are any other stacking devices > involved? FWIW, I tried linux-next yesterday and got the root fs (btrfs) corrupted. It is a very simple setup, just plain FS on SCSI device.