On Thu, Apr 07, 2022 at 08:39:13PM +0200, наб wrote: > Thanks for the pointers! BTW, we have discussion about IDs mapping for filesystems at https://github.com/util-linux/util-linux/issues/1652 The idea is based on user namespaces. Please, see the discussion, maybe it's something what could be attractive for your use-case too. Karel -- Karel Zak <kzak@xxxxxxxxxx> http://karelzak.blogspot.com