104 lines
3.7 KiB
Diff
104 lines
3.7 KiB
Diff
From 1cadc26fd44a602ffbcfb59786b400990541dc86 Mon Sep 17 00:00:00 2001
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From: Harald Hoyer <harald@redhat.com>
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Date: Thu, 9 Jul 2015 13:18:13 +0200
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Subject: [PATCH] Add all btrfs devices
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We have to find them with "btrfs usage", which is cumbersome.
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---
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dracut-functions.sh | 13 +++++++++++++
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dracut.sh | 22 ++++++++++++++++++++--
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modules.d/99base/module-setup.sh | 4 +++-
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3 files changed, 36 insertions(+), 3 deletions(-)
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diff --git a/dracut-functions.sh b/dracut-functions.sh
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index f415f0d..639c5ae 100755
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--- a/dracut-functions.sh
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+++ b/dracut-functions.sh
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@@ -31,6 +31,10 @@ strstr() { [[ $1 = *"$2"* ]]; }
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strglobin() { [[ $1 = *$2* ]]; }
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# Generic glob matching function. If glob pattern $2 matches all of $1, OK
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strglob() { [[ $1 = $2 ]]; }
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+# returns OK if $1 contains literal string $2 at the beginning, and isn't empty
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+str_starts() { [ "${1#"$2"*}" != "$1" ]; }
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+# returns OK if $1 contains literal string $2 at the end, and isn't empty
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+str_ends() { [ "${1%*"$2"}" != "$1" ]; }
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# helper function for check() in module-setup.sh
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# to check for required installed binaries
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@@ -1815,3 +1819,12 @@ lvm_internal_dev() {
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[[ ${DM_LV_LAYER} ]] || [[ ! -L /dev/${DM_VG_NAME}/${DM_LV_NAME} ]]
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}
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+btrfs_devs() {
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+ local _mp="$1"
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+ btrfs device usage "$_mp" \
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+ | while read _dev _rest; do
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+ str_starts "$_dev" "/" || continue
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+ _dev=${_dev%,}
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+ printf -- "%s\n" "$_dev"
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+ done
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+}
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diff --git a/dracut.sh b/dracut.sh
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index 8394cee..bf1886f 100755
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--- a/dracut.sh
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+++ b/dracut.sh
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@@ -1146,6 +1146,11 @@ for line in "${fstab_lines[@]}"; do
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;;
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esac
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[ -z "$dev" ] && dwarn "Bad fstab entry $@" && continue
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+ if [[ "$3" == btrfs ]]; then
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+ for i in $(btrfs_devs "$2"); do
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+ push_host_devs "$i"
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+ done
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+ fi
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push_host_devs "$dev"
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host_fs_types["$dev"]="$3"
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done
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@@ -1194,8 +1199,14 @@ if [[ $hostonly ]]; then
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_bdev=$(readlink -f "/dev/block/$_dev")
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[[ -b $_bdev ]] && _dev=$_bdev
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push_host_devs $_dev
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- [[ "$mp" == "/" ]] && root_dev="$_dev"
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+ [[ "$mp" == "/" ]] && push root_devs "$_dev"
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push_host_devs "$_dev"
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+ if [[ $(find_mp_fstype "$mp") == btrfs ]]; then
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+ for i in $(btrfs_devs "$mp"); do
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+ [[ "$mp" == "/" ]] && push root_devs "$i"
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+ push_host_devs "$i"
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+ done
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+ fi
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done
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if [[ -f /proc/swaps ]] && [[ -f /etc/fstab ]]; then
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@@ -1240,7 +1251,14 @@ if [[ $hostonly ]]; then
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[[ "$_o" != *x-initrd.mount* ]] && continue
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_dev=$(expand_persistent_dev "$_d")
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_dev="$(readlink -f "$_dev")"
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- [[ -b $_dev ]] && push_host_devs "$_dev"
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+ [[ -b $_dev ]] || continue
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+
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+ push_host_devs "$_dev"
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+ if [[ "$_t" == btrfs ]]; then
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+ for i in $(find_btrfs_devs "$_m"); do
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+ push_host_devs "$i"
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+ done
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+ fi
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done < /etc/fstab
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fi
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diff --git a/modules.d/99base/module-setup.sh b/modules.d/99base/module-setup.sh
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index bbc68ba..3fbdc41 100755
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--- a/modules.d/99base/module-setup.sh
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+++ b/modules.d/99base/module-setup.sh
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@@ -102,7 +102,9 @@ install() {
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. "$moddir/dracut-lib.sh"
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for _dev in ${host_devs[@]}; do
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- [[ "$_dev" == "$root_dev" ]] && continue
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+ for _dev2 in ${root_devs[@]}; do
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+ [[ "$_dev" == "$_dev2" ]] && continue 2
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+ done
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# We only actually wait for real devs - swap is only needed
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# for resume and udev rules generated when parsing resume=
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