[PATCH v3 6/8] initramfs: Add missing umounts after generation

[Anton Mikanovich <amikan@ilbers.de>]

From: Jan Kiszka <jan.kiszka@siemens.com>

Failing to unmount what was mounted via rootfs_do_mounts can cause
troubles on rebuilds.

To reproduce:

. ./isar-init-build-env newbuild
mount >01.txt
cat >conf/local.conf <<EOF
MACHINE = "qemuamd64"
DISTRO = "debian-bookworm"
DISTRO_ARCH = "amd64"
EOF
bitbake isar-initramfs
mount >02.txt
diff -Naurp 01.txt 02.txt
+tmpfs on newbuild/tmp/work/debian-bookworm-amd64/sbuild-chroot-target/1.0-r0/rootfs/dev type tmpfs (rw,nosuid,size=4096k,nr_inodes=65536,mode=755,inode64)
+tmpfs on newbuild/tmp/work/debian-bookworm-amd64/isar-initramfs-qemuamd64/1.0-r0/rootfs/dev type tmpfs (rw,nosuid,size=4096k,nr_inodes=65536,mode=755,inode64)

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anton Mikanovich <amikan@ilbers.de>
---
 meta/classes/initramfs.bbclass | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/meta/classes/initramfs.bbclass b/meta/classes/initramfs.bbclass
index 6886b95a..42013356 100644
--- a/meta/classes/initramfs.bbclass
+++ b/meta/classes/initramfs.bbclass
@@ -45,6 +45,8 @@ do_generate_initramfs() {
           update-initramfs -u -v ;  \
         fi'
 
+    rootfs_do_umounts
+
     if [ ! -e "${INITRAMFS_ROOTFS}/initrd.img" ]; then
         bberror "No initramfs was found after generation!"
     fi
-- 
2.34.1

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