You asked what would be needed to get this patch merged, so here's a list: 1. It will need to be rebased on the current version of initramfs-tools (0.125). I think the mount changes now belong at the bottom of local_mount_root, not in local_bottom, as local_bottom runs after we attempt to mount /usr. 2. The filesystem type check and error message are completely unrelated to this feature and shouldn't be part of the patch. 3. I'm not sure the parameter name 'chroot' is quite right. We always change root (actually pivot_root) when handing over to the 'real' init system. I think I would prefer to make the subdirectory part of the 'root' parameter, maybe like: root=/dev/mapper/my-var,/lib/chroot/foo 4. Any new or modified parameters need to be documented in the existing manual pages. It also struck me that chroot installations aren't necessarily part of the usual root partition, and indeed might be on a different type of filesystem. So it would be useful to add a configuration variable that specifies additional filesystem types to be supported. mkinitramfs would add both the module and the fsck command for each type. But that would be a separate feature and patch. Ben. -- Ben Hutchings I haven't lost my mind; it's backed up on tape somewhere.
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