Commit 36b4b852 authored by Luca Ceresoli's avatar Luca Ceresoli Committed by Peter Korsgaard
Browse files

fs/skeleton: allow rootfs not to be remounted read-write 



[Peter: prefix option with TARGET_GENERIC_]
Signed-off-by: default avatarLuca Ceresoli <luca@lucaceresoli.net>
Acked-by: default avatarThomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: default avatarPeter Korsgaard <jacmet@sunsite.dk>
parent c9175503

fs/skeleton/etc/inittab

+1 −1
Original line number Diff line number Diff line
@@ -15,7 +15,7 @@ 


# Startup the system

null::sysinit:/bin/mount -t proc proc /proc

null::sysinit:/bin/mount -o remount,rw /

null::sysinit:/bin/mount -o remount,rw / # REMOUNT_ROOTFS_RW

null::sysinit:/bin/mkdir -p /dev/pts

null::sysinit:/bin/mkdir -p /dev/shm

null::sysinit:/bin/mount -a

package/sysvinit/inittab

+1 −1
Original line number Diff line number Diff line
@@ -5,7 +5,7 @@ 
id:1:initdefault:



proc::sysinit:/bin/mount -t proc proc /proc

rwmo::sysinit:/bin/mount -o remount,rw /

rwmo::sysinit:/bin/mount -o remount,rw / # REMOUNT_ROOTFS_RW

dpts::sysinit:/bin/mkdir -p /dev/pts

moun::sysinit:/bin/mount -a

host::sysinit:/bin/hostname -F /etc/hostname

target/generic/Config.in

+11 −0
Original line number Diff line number Diff line
@@ -109,6 +109,17 @@ config BR2_TARGET_GENERIC_GETTY_BAUDRATE 
	default "57600"		if BR2_TARGET_GENERIC_GETTY_BAUDRATE_57600

	default "115200"	if BR2_TARGET_GENERIC_GETTY_BAUDRATE_115200



config BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW

	bool "remount root filesystem read-write during boot"

	default y

	help

	  The root filesystem is typically mounted read-only at boot.

	  By default, buildroot remounts it in read-write mode early during the

	  boot process.

	  Say no here if you would rather like your root filesystem to remain

	  read-only.

	  If unsure, say Y.



endif # BR2_ROOTFS_SKELETON_DEFAULT



config BR2_ROOTFS_POST_BUILD_SCRIPT

target/generic/Makefile.in

+13 −0
Original line number Diff line number Diff line
@@ -23,6 +23,14 @@ target-generic-getty-sysvinit: 
	$(SED) '/# GENERIC_SERIAL$$/s~^.*#~$(shell echo $(TARGET_GENERIC_GETTY) | tail -c+4)::respawn:/sbin/getty -L $(TARGET_GENERIC_GETTY) $(TARGET_GENERIC_GETTY_BAUDRATE) vt100 #~' \

		$(TARGET_DIR)/etc/inittab



# Find commented line, if any, and remove leading '#'s

target-generic-do-remount-rw:

	$(SED) '/^#.*# REMOUNT_ROOTFS_RW$$/s~^#\+~~' $(TARGET_DIR)/etc/inittab



# Find uncommented line, if any, and add a leading '#'

target-generic-dont-remount-rw:

	$(SED) '/^[^#].*# REMOUNT_ROOTFS_RW$$/s~^~#~' $(TARGET_DIR)/etc/inittab



ifneq ($(TARGET_GENERIC_HOSTNAME),)

TARGETS += target-generic-hostname

endif
@@ -37,4 +45,9 @@ TARGETS += target-generic-getty-sysvinit 
else

TARGETS += target-generic-getty-busybox

endif

ifeq ($(BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW),y)

TARGETS += target-generic-do-remount-rw

else

TARGETS += target-generic-dont-remount-rw

endif

endif