On Mon, Sep 06, 2021 at 06:29:16PM +0200, Hanna Reitz wrote: > Because I forgot to CC Thomas on the discussion adding this post, it was > merged prematurely. This patch updates the post to incorporate the > feedback I received on it: >
Overall, nice! I see it's already live, but another tweak you might want to make: > +## File mounts > > -A perhaps little-known fact is that, on Linux, filesystems do not need to > have > -a root directory, they only need to have a root node. A filesystem that only > -provides a single regular file is perfectly valid. > +To transparently translate a file into a different format, like we did > above, we > +make use of two little-known facts about filesystems and the VFS on Linux. > The > +first one of these we can explain immediately, for the second one we will > need > +some more information about how FUSE exports work, so that secret will be > lifted s/lifted/revealed/ > +later (down in the “Mounting an image on itself” section). > + -- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3266 Virtualization: qemu.org | libvirt.org
