--- /dev/null
+ACTION=="add|change", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", KERNEL=="hda", SYMLINK+="sda"
+ACTION=="add|change", SUBSYSTEM=="block", ENV{DEVTYPE}=="partition", KERNEL=="hda*", SYMLINK+="sda$env{MINOR}"
+ACTION=="add|change", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", KERNEL=="hdb", SYMLINK+="sdb"
+ACTION=="add|change", SUBSYSTEM=="block", ENV{DEVTYPE}=="partition", KERNEL=="hdb*", SYMLINK+="sdb$env{MINOR}"
+ACTION=="add|change", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", KERNEL=="hdc", SYMLINK+="sdc"
+ACTION=="add|change", SUBSYSTEM=="block", ENV{DEVTYPE}=="partition", KERNEL=="hdc*", SYMLINK+="sdc$env{MINOR}"
+ACTION=="add|change", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", KERNEL=="hdd", SYMLINK+="sdd"
+ACTION=="add|change", SUBSYSTEM=="block", ENV{DEVTYPE}=="partition", KERNEL=="hdd*", SYMLINK+="sdd$env{MINOR}"
--- /dev/null
+#!/bin/sh
+# don't let udev and this script step on eachother's toes
+for x in 64-lvm.rules 70-mdadm.rules 99-mount-rules; do
+ > "/etc/udev/rules.d/$x"
+done
+udevadm control --reload-rules
+# save a partition at the beginning for future flagging purposes
+sfdisk -C 524288 -H 2 -S 32 -L /dev/sda <<EOF
+,16
+,10240
+,10240
+,10240
+EOF
+mkfs.btrfs -mraid10 -L root /dev/sda2 /dev/sda3 /dev/sda4
+btrfs device scan
+set -e
+mkdir -p /sysroot
+mount /dev/sda4 /sysroot
+cp -a -t /sysroot /source/*
+umount /sysroot
+echo "dracut-root-block-created" >/dev/sda1
+poweroff -f
--- /dev/null
+#!/bin/bash
+TEST_DESCRIPTION="root filesystem on multiple device btrfs"
+
+KVERSION=${KVERSION-$(uname -r)}
+
+# Uncomment this to debug failures
+#DEBUGFAIL="rd.shell"
+DISKIMAGE=/var/tmp/TEST-15-BTRFSRAID-root.img
+test_run() {
+ $testdir/run-qemu -hda $DISKIMAGE -m 256M -nographic \
+ -net none -kernel /boot/vmlinuz-$KVERSION \
+ -append "root=LABEL=root rw quiet rd.retry=3 rd.info console=ttyS0,115200n81 selinux=0 rd.debug $DEBUGFAIL" \
+ -initrd initramfs.testing
+ grep -m 1 -q dracut-root-block-success $DISKIMAGE || return 1
+}
+
+test_setup() {
+ # Create the blank file to use as a root filesystem
+ dd if=/dev/null of=$DISKIMAGE bs=1M seek=1024
+
+ kernel=$KVERSION
+ # Create what will eventually be our root filesystem onto an overlay
+ (
+ initdir=overlay/source
+ . $basedir/dracut-functions
+ dracut_install sh df free ls shutdown poweroff stty cat ps ln ip route \
+ /lib/terminfo/l/linux mount dmesg ifconfig dhclient mkdir cp ping dhclient
+ inst "$basedir/modules.d/40network/dhclient-script" "/sbin/dhclient-script"
+ inst "$basedir/modules.d/40network/ifup" "/sbin/ifup"
+ dracut_install grep
+ inst ./test-init /sbin/init
+ find_binary plymouth >/dev/null && dracut_install plymouth
+ (cd "$initdir"; mkdir -p dev sys proc etc var/run tmp )
+ cp -a /etc/ld.so.conf* $initdir/etc
+ sudo ldconfig -r "$initdir"
+ )
+
+ # second, install the files needed to make the root filesystem
+ (
+ initdir=overlay
+ . $basedir/dracut-functions
+ dracut_install sfdisk mkfs.btrfs poweroff cp umount
+ inst_hook initqueue 01 ./create-root.sh
+ inst_simple ./99-idesymlinks.rules /etc/udev/rules.d/99-idesymlinks.rules
+ )
+
+ # create an initramfs that will create the target root filesystem.
+ # We do it this way so that we do not risk trashing the host mdraid
+ # devices, volume groups, encrypted partitions, etc.
+ $basedir/dracut -l -i overlay / \
+ -m "dash btrfs udev-rules base rootfs-block kernel-modules" \
+ -d "piix ide-gd_mod ata_piix btrfs sd_mod" \
+ --nomdadmconf \
+ -f initramfs.makeroot $KVERSION || return 1
+ rm -rf overlay
+ # Invoke KVM and/or QEMU to actually create the target filesystem.
+ $testdir/run-qemu -hda $DISKIMAGE -m 256M -nographic -net none \
+ -kernel "/boot/vmlinuz-$kernel" \
+ -append "root=LABEL=root rw quiet console=ttyS0,115200n81 selinux=0" \
+ -initrd initramfs.makeroot || return 1
+ grep -m 1 -q dracut-root-block-created $DISKIMAGE || return 1
+ (
+ initdir=overlay
+ . $basedir/dracut-functions
+ dracut_install poweroff shutdown
+ inst_hook emergency 000 ./hard-off.sh
+ inst ./cryptroot-ask /sbin/cryptroot-ask
+ inst_simple ./99-idesymlinks.rules /etc/udev/rules.d/99-idesymlinks.rules
+ )
+ sudo $basedir/dracut -l -i overlay / \
+ -o "plymouth network" \
+ -a "debug" \
+ -d "piix ide-gd_mod ata_piix btrfs sd_mod" \
+ -f initramfs.testing $KVERSION || return 1
+}
+
+test_cleanup() {
+ rm -fr overlay mnt
+ rm -f $DISKIMAGE initramfs.makeroot initramfs.testing
+}
+
+. $testdir/test-functions