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-rw-r--r--dot_config/containers/storage.conf.tmpl23
1 files changed, 3 insertions, 20 deletions
diff --git a/dot_config/containers/storage.conf.tmpl b/dot_config/containers/storage.conf.tmpl
index 62dd35c..c304b02 100644
--- a/dot_config/containers/storage.conf.tmpl
+++ b/dot_config/containers/storage.conf.tmpl
@@ -1,31 +1,14 @@
{{- $machineRole := default "host" (index . "machineRole") -}}
{{- if eq $machineRole "vm" -}}
-# Rootless podman storage configuration.
-#
-# The VM uses ext4, so use the kernel overlay driver. runroot/graphroot default
-# to $XDG_RUNTIME_DIR/containers and $XDG_DATA_HOME/containers/storage.
+# Rootless podman storage configuration: VM ext4.
[storage]
driver = "overlay"
[storage.options.overlay]
-# Kernel >=5.13 supports rootless overlay natively on the VM, so leave
-# mount_program unset and avoid fuse-overlayfs.
{{- else -}}
-# Rootless podman storage configuration.
-#
-# Uses the native kernel btrfs graph driver — much faster than fuse-overlayfs
-# (especially `podman commit`) because layers are real btrfs subvolumes with
-# CoW snapshots, no FUSE userspace round-trip.
-#
-# Switching driver requires a one-time `podman system reset --force`; the
-# overlay/fuse-overlay on-disk layout is incompatible. See the migration
-# helper at the dotfiles repo root (migrate-podman-to-btrfs.sh).
-#
-# graphroot/runroot left at defaults:
-# graphroot = $XDG_DATA_HOME/containers/storage
-# runroot = $XDG_RUNTIME_DIR/containers
-# both are on btrfs in this setup (root fs is btrfs).
+# Rootless podman storage configuration: host btrfs.
+# Changing storage drivers requires `podman system reset --force`.
[storage]
driver = "btrfs"