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Gentoo's Bugzilla – Attachment 801727 Details for
Bug 866959
live media: work-in-progress saved/persistent boot implementation
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[patch]
updated genkernel method patch
initrd.genkernel.000003.patch (text/plain), 3.67 KB, created by
hairu
on 2022-08-29 00:12:31 UTC
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Description:
updated genkernel method patch
Filename:
MIME Type:
Creator:
hairu
Created:
2022-08-29 00:12:31 UTC
Size:
3.67 KB
patch
obsolete
>diff -urN old/defaults/initrd.scripts new/defaults/initrd.scripts >--- old/defaults/initrd.scripts 2022-08-28 23:56:02.769909400 +0000 >+++ new/defaults/initrd.scripts 2022-08-28 23:53:32.146581030 +0000 >@@ -326,6 +326,22 @@ > findmediamount "cdrom" "${SUBDIR}/${CDROOT_MARKER}" \ > "REAL_ROOT" "${CDROOT_PATH}" ${DEVICES} > >+ if [ -n "${overlayfs_persist_dev}" ]; then >+ persist_dev=/mnt/persist >+ mkdir "${persist_dev}" >+ findmediamount "persist" "${overlayfs_persist}" \ >+ "PERSIST" "${persist_dev}" ${overlayfs_persist_dev} >+ elif [ -n "${overlayfs_persist}" ]; then >+ if [ -f "${CDROOT_PATH}/${overlayfs_persist}" ]; then >+ persist_dev=${CDROOT_PATH} >+ else >+ persist_dev=/mnt/persist >+ mkdir "${persist_dev}" >+ findmediamount "persist" "${overlayfs_persist}" \ >+ "PERSIST" "${persist_dev}" ${DEVICES} >+ fi >+ fi >+ > if [ "${VERIFY}" = '1' ] > then > cd "${CDROOT_PATH}" >@@ -408,6 +424,19 @@ > run rm -rf ${NEW_ROOT}/mnt/image.* 2>/dev/null > run rm -rf ${NEW_ROOT}/mnt/zisofs 2>/dev/null > fi >+ if [ -n "${overlayfs_persist}" ] && [ -n "$persist_dev" ]; then >+ good_msg "Copying persist file for caching ..." >+ # Verify that the needed directory exists >+ run mkdir -p "$(dirname ${NEW_ROOT}/mnt/${overlayfs_persist})" >+ run cp -a ${persist_dev}/${overlayfs_persist} ${NEW_ROOT}/mnt/${overlayfs_persist} >+ if [ $? -ne 0 ] >+ then >+ warn_msg "Failed to cache the persist file! Lack of RAM?" 0 >+ run rm -rf ${NEW_ROOT}/mnt/${overlayfs_persist} 2>/dev/null >+ else >+ persist_dev=/mnt >+ fi >+ fi > fi > fi > } >@@ -818,6 +847,7 @@ > local overlay=/mnt/overlay > local upperdir="${overlay}/.upper" > local workdir="${overlay}/.work" >+ local persist="${overlay}/.persist" > local static=/mnt/livecd > > run_debug_shell overlayfs >@@ -832,17 +862,29 @@ > > mount -t squashfs -o loop,ro "${CDROOT_PATH}/${LOOPEXT}${LOOP}" "${static}" > mount -t tmpfs none "${overlay}" >- mkdir "${upperdir}" "${workdir}" >+ mkdir "${upperdir}" "${workdir}" "${persist}" >+ >+ if [ -n "${overlayfs_persist}" ]; then >+ if ([ -n "${overlayfs_persist_dev}" ] || [ -n "${persist_dev}" ]) && [ -f "${persist_dev}/${overlayfs_persist}" ]; then >+ persist_path="${persist_dev}/${overlayfs_persist}" >+ elif [ -n "${ISOBOOT}" ] && [ -f "/mnt/iso/${overlayfs_persist}" ]; then >+ persist_path="/mnt/iso/${overlayfs_persist}" >+ fi >+ >+ if [ -n "${persist_path}" ]; then >+ mount -t squashfs -o loop,ro "${persist_path}" "${persist}" >+ fi >+ fi > > is_union_modules overlayfs >- run mount -t overlay overlay -o lowerdir="${static}${mod_path}",upperdir="${upperdir}",workdir="${workdir}" "${NEW_ROOT}" >+ run mount -t overlay overlay -o lowerdir="${persist}:${static}${mod_path}",upperdir="${upperdir}",workdir="${workdir}" "${NEW_ROOT}" > > [ ! -d "${NEW_ROOT}${overlay}" ] && mkdir -p "${NEW_ROOT}${overlay}" > [ ! -d "${NEW_ROOT}${static}" ] && mkdir -p "${NEW_ROOT}${static}" > >- echo "overlay / overlay defaults 0 0" > "${NEW_ROOT}"/etc/fstab >+ [ ! -f ${persist}/etc/fstab ] && echo "overlay / overlay defaults 0 0" > "${NEW_ROOT}"/etc/fstab > >- for i in "${overlay}" "${static}" >+ for i in "${overlay}" "${static}" "${persist}" > do > run mount --bind "${i}" "${NEW_ROOT}${i}" > done >diff -urN old/defaults/linuxrc new/defaults/linuxrc >--- old/defaults/linuxrc 2022-08-28 23:56:02.809909399 +0000 >+++ new/defaults/linuxrc 2022-08-28 23:24:15.689972277 +0000 >@@ -429,6 +429,13 @@ > overlayfs_dev=${x#*=} > fi > ;; >+ # Allow user to specify persistent image on top of image.squashfs >+ overlayfs_persist\=*) >+ overlayfs_persist=${x#*=} >+ ;; >+ overlayfs_persist_dev\=*) >+ overlayfs_persist_dev=${x#*=} >+ ;; > # Allow user to specify the modules location > overlayfs.modules\=*) > overlayfs_modules_dir=${x#*=}
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bug 866959
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