Roger Leigh wrote: > Example: > / (root), /usr, /var and /home each on the same btrfs filesystem, > but as separate named subvolumes (root/default, usr, var and home). > > This would break the one filesystem==one mount concept currently > used by the partitioner. Here, one filesystem would be mounted > in several places, but with a slightly different subvol mount > option.
This could be gotten around partially, if / is on btrfs, by setting up /var and /home subvolumes and then at the end generating additional fstab lines to mount them, but not treating them as true separate partitions (with their own configurable mount point and mount options). Besides being easy, one advantage to doing it that way is d-i could then default to setting up a nice set of subvolumes. -- see shy jo
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