Stop using memory disks for staging and final dir

build.sh

@@ -68,8 +68,6 @@ usage() {
 	echo "		--install-extra-kernels argument - Put extra kernel(s) under /kernel image directory. Example --install-extra-kernels KERNEL_NAME_WRAP"
 	echo "		--snapshots - Build snapshots and upload them to RSYNCIP"
 	echo "		--poudriere-snapshots - Update poudriere packages and send them to PKG_RSYNC_HOSTNAME"
-	echo "		--enable-memorydisks - This will put stage_dir and iso_dir as MFS filesystems"
-	echo "		--disable-memorydisks - Will just teardown these filesystems created by --enable-memorydisks"
 	echo "		--setup-poudriere - Install poudriere and create necessary jails and ports tree"
 	echo "		--create-unified-patch - Create a big patch with all changes done on FreeBSD"
 	echo "		--update-poudriere-jails [-a ARCH_LIST] - Update poudriere jails using current patch versions"
@@ -161,12 +159,6 @@ while test "$1" != ""; do
 		--clean-builder)
 			BUILDACTION="cleanbuilder"
 			;;
-		--enable-memorydisks)
-			BUILDACTION="enablememorydisk"
-			;;
-		--disable-memorydisks)
-			BUILDACTION="disablememorydisk"
-			;;
 		--setup-poudriere)
 			BUILDACTION="setup_poudriere"
 			;;
@@ -262,12 +254,6 @@ case $BUILDACTION in
 	updatesources)
 		update_freebsd_sources
 	;;
-	enablememorydisk)
-		prestage_on_ram_setup
-	;;
-	disablememorydisk)
-		prestage_on_ram_cleanup
-	;;
 	setup_poudriere)
 		poudriere_init
 	;;
@@ -387,9 +373,6 @@ if [ -z "${_SKIP_REBUILD_PRESTAGE}" ]; then
 	# Ensure binaries are present that builder system requires
 	builder_setup
 
-	# Check to see if pre-staging will be hosted on ram
-	prestage_on_ram_setup
-
 	# Build world, kernel and install
 	echo ">>> Building world for ISO... $FREEBSD_BRANCH ..."
 	make_world

tools/builder_common.sh

@@ -197,62 +197,6 @@ print_error_pfS() {
 	exit 1
 }
 
-prestage_on_ram_setup() {
-	# Do not use memory disks for release build
-	if [ -n "${_IS_RELEASE}" ]; then
-		return
-	fi
-
-	[ -d "${STAGE_CHROOT_DIR}" ] \
-		|| mkdir -p ${STAGE_CHROOT_DIR}
-	[ -d "${FINAL_CHROOT_DIR}" ] \
-		|| mkdir -p ${FINAL_CHROOT_DIR}
-
-	_AVAIL_MEM=$(($(sysctl -n hw.usermem) / 1024 / 1024))
-	if [ $_AVAIL_MEM -lt 2000 ]; then
-		echo ">>> Builder has less than 2GiB RAM skipping memory disks"
-		return
-	else
-		echo "######################################################################################"
-		echo
-		echo ">>> Builder has more than 2GiB RAM enabling memory disks"
-		echo ">>> WARNING: Remember to remove these memory disks by running $0 --disable-memorydisks"
-		echo
-		echo "######################################################################################"
-	fi
-
-	if df /dev/ufs/prestagebacking >/dev/null 2>&1; then
-		echo ">>> Detected preexisting memory disk enabled for ${STAGE_CHROOT_DIR}."
-	else
-		mdconfig -a -t swap -u 10001 -s ${MEMORYDISK_SIZE}
-		newfs -L prestagebacking -U /dev/md10001
-		mount /dev/ufs/prestagebacking ${STAGE_CHROOT_DIR}
-	fi
-
-	if df /dev/ufs/finalstagebacking >/dev/null 2>&1; then
-		echo ">>> Detected preexisting memory disk enabled for ${FINAL_CHROOT_DIR}."
-	else
-		mdconfig -a -t swap -u 10002 -s ${MEMORYDISK_SIZE}
-		newfs -L finalstagebacking -U /dev/md10002
-		mount /dev/ufs/finalstagebacking ${FINAL_CHROOT_DIR}
-	fi
-}
-
-prestage_on_ram_cleanup() {
-	if [ -c /dev/md10001 ]; then
-		if [ -d ${STAGE_CHROOT_DIR} ]; then
-			umount ${STAGE_CHROOT_DIR}
-		fi
-		mdconfig -d -u 10001
-	fi
-	if [ -c /dev/md10002 ]; then
-		if [ -d ${FINAL_CHROOT_DIR} ]; then
-			umount ${FINAL_CHROOT_DIR}
-		fi
-		mdconfig -d -u 10002
-	fi
-}
-
 # This routine will verify that the kernel has been
 # installed OK to the staging area.
 ensure_kernel_exists() {

tools/builder_defaults.sh

@@ -200,9 +200,6 @@ export STAGE_CHROOT_DIR=${STAGE_CHROOT_DIR:-"${SCRATCHDIR}/stage-dir"}
 # iso staging area.
 export FINAL_CHROOT_DIR=${FINAL_CHROOT_DIR:-"${SCRATCHDIR}/final-dir"}
 
-# 400M is not enough for amd64
-export MEMORYDISK_SIZE=${MEMORYDISK_SIZE:-"1024M"}
-
 # OVF/vmdk parms
 # Name of ovf file included inside OVA archive
 export OVFTEMPLATE=${OVFTEMPLATE:-"${BUILDER_TOOLS}/templates/ovf/${PRODUCT_NAME}.ovf"}