1 files changed, 92 insertions, 0 deletions
diff --git a/modules.d/95rootfs-block/module-setup.sh b/modules.d/95rootfs-block/module-setup.sh
new file mode 100755
index 0000000..396fb11
--- /dev/null
+++ b/modules.d/95rootfs-block/module-setup.sh
@@ -0,0 +1,92 @@
+#!/bin/bash
+
+# called by dracut
+check() {
+    return 0
+}
+
+# called by dracut
+depends() {
+    echo base fs-lib
+}
+
+cmdline_journal() {
+    if [[ $hostonly ]]; then
+        for dev in "${!host_fs_types[@]}"; do
+            [[ ${host_fs_types[$dev]} == "reiserfs" ]] || [[ ${host_fs_types[$dev]} == "xfs" ]] || continue
+            rootopts=$(find_dev_fsopts "$dev")
+            if [[ ${host_fs_types[$dev]} == "reiserfs" ]]; then
+                journaldev=$(fs_get_option "$rootopts" "jdev")
+            elif [[ ${host_fs_types[$dev]} == "xfs" ]]; then
+                journaldev=$(fs_get_option "$rootopts" "logdev")
+            fi
+
+            if [ -n "$journaldev" ]; then
+                printf " root.journaldev=%s" "$journaldev"
+            fi
+        done
+    fi
+    return 0
+}
+
+cmdline_rootfs() {
+    local _block
+    _block=$(find_root_block_device)
+    local _dev=/dev/block/$_block
+    local _fstype _flags _subvol
+
+    # "--no-hostonly-default-device" can result in empty root_devs
+    if [ "${#root_devs[@]}" -eq 0 ]; then
+        return
+    fi
+
+    if [ -n "$_block" -a -b "$_dev" ]; then
+        printf " root=%s" "$(shorten_persistent_dev "$(get_persistent_dev "$_dev")")"
+    fi
+    _fstype="$(find_mp_fstype /)"
+    if [[ ${_fstype} == "zfs" ]]; then
+        local _root_ds
+        _root_ds="$(findmnt -n -o SOURCE /)"
+        printf " root=zfs:%s" "${_root_ds// /+}"
+    fi
+    _flags="$(find_mp_fsopts /)"
+    if [ -n "$_fstype" ]; then
+        printf " rootfstype=%s" "$_fstype"
+    fi
+    if [[ $use_fstab != yes ]] && [[ $_fstype == btrfs ]]; then
+        _subvol=$(findmnt -e -v -n -o FSROOT --target /) \
+            && _subvol=${_subvol#/}
+        _flags="$_flags${_subvol:+,subvol=$_subvol}"
+    fi
+    if [ -n "$_flags" ]; then
+        printf " rootflags=%s" "$_flags"
+    fi
+}
+
+# called by dracut
+cmdline() {
+    cmdline_rootfs
+    cmdline_journal
+}
+
+# called by dracut
+install() {
+    if [[ $hostonly_cmdline == "yes" ]]; then
+        local _journaldev
+        _journaldev=$(cmdline_journal)
+        [[ $_journaldev ]] && printf "%s\n" "$_journaldev" >> "${initdir}/etc/cmdline.d/95root-journaldev.conf"
+        local _rootdev
+        _rootdev=$(cmdline_rootfs)
+        [[ $_rootdev ]] && printf "%s\n" "$_rootdev" >> "${initdir}/etc/cmdline.d/95root-dev.conf"
+    fi
+
+    inst_multiple umount
+    inst_multiple tr
+    if ! dracut_module_included "systemd"; then
+        inst_hook cmdline 95 "$moddir/parse-block.sh"
+        inst_hook pre-udev 30 "$moddir/block-genrules.sh"
+        inst_hook mount 99 "$moddir/mount-root.sh"
+    fi
+
+    inst_hook initqueue/timeout 99 "$moddir/rootfallback.sh"
+}