Fix the boot process udev warning

Phenomena: there is udev warning in boot process
        tar: can't open '/etc/dev.tar': Read-only file system

The reason is that the init script /etc/rcS.d/S04udev will try to tar the /dev as cache to speed up udev at next boot time. Unfortunately, S04udev is too early and the filesystem is not writable yet.

To fix it, this patch split the cache action to another init script, and register it as /etc/rcS.d/S36, which is after the S35mountall, and the filesystem is already writable.

Signed-off-by: Yu Ke <ke.yu@intel.com>

11 files changed, 36 insertions, 11 deletions

diff --git a/meta/packages/udev/files/udev-cache b/meta/packages/udev/files/udev-cache
new file mode 100644
index 000000000..a4e91915b
--- /dev/null
+++ b/meta/packages/udev/files/udev-cache
@@ -0,0 +1,20 @@
+#!/bin/sh -e
+
+### BEGIN INIT INFO
+# Provides:          udev-cache
+# Required-Start:    mountall
+# Required-Stop:
+# Default-Start:     S
+# Default-Stop:
+# Short-Description: cache /dev to speedup the udev next boot
+### END INIT INFO
+
+[ -d /sys/class ] || exit 1
+[ -r /proc/mounts ] || exit 1
+[ -x /sbin/udevd ] || exit 1
+
+if [ ! -e /etc/dev.tar ]; then
+	(cd /; tar cf /etc/dev.tar /dev)
+fi
+
+exit 0
diff --git a/meta/packages/udev/udev-115/init b/meta/packages/udev/udev-115/init
index 5711d74b4..c882c7560 100644
--- a/meta/packages/udev/udev-115/init
+++ b/meta/packages/udev/udev-115/init
@@ -42,7 +42,6 @@ kill_udevd > "/dev/null" 2>&1
 		else
 			/sbin/udevtrigger
 			/sbin/udevsettle
-			(cd /; tar cf /etc/dev.tar /dev)
 		fi
 
 echo
diff --git a/meta/packages/udev/udev-124/init b/meta/packages/udev/udev-124/init
index b78a07b20..32ab370aa 100644
--- a/meta/packages/udev/udev-124/init
+++ b/meta/packages/udev/udev-124/init
@@ -53,7 +53,6 @@ kill_udevd > "/dev/null" 2>&1
 		else
 			/sbin/udevadm trigger
 			/sbin/udevadm settle
-			(cd /; tar cf /etc/dev.tar /dev)
 		fi
 
 echo
diff --git a/meta/packages/udev/udev-141/init b/meta/packages/udev/udev-141/init
index f38a0aa36..eb5e50758 100644
--- a/meta/packages/udev/udev-141/init
+++ b/meta/packages/udev/udev-141/init
@@ -53,7 +53,6 @@ kill_udevd > "/dev/null" 2>&1
 		else
 			/sbin/udevadm trigger
 			/sbin/udevadm settle
-			(cd /; tar cf /etc/dev.tar /dev)
 		fi
 
 echo
diff --git a/meta/packages/udev/udev-145/init b/meta/packages/udev/udev-145/init
index f38a0aa36..eb5e50758 100644
--- a/meta/packages/udev/udev-145/init
+++ b/meta/packages/udev/udev-145/init
@@ -53,7 +53,6 @@ kill_udevd > "/dev/null" 2>&1
 		else
 			/sbin/udevadm trigger
 			/sbin/udevadm settle
-			(cd /; tar cf /etc/dev.tar /dev)
 		fi
 
 echo
diff --git a/meta/packages/udev/udev.inc b/meta/packages/udev/udev.inc
index 58aa11860..0afd817b8 100644
--- a/meta/packages/udev/udev.inc
+++ b/meta/packages/udev/udev.inc
@@ -10,20 +10,25 @@ SRC_URI += " \
 	   file://mount.sh \
 	   file://network.sh \
 	   file://local.rules \
+       file://udev-cache \
            file://init"
 
 UDEV_DEVFS_RULES ?= "0"
 
-PACKAGES =+ "udev-utils libvolume-id"
+PACKAGES =+ "udev-utils libvolume-id udev-cache"
 FILES_udev-utils = "${usrbindir}/udevinfo ${usrbindir}/udevtest"
 FILES_libvolume-id = "${base_libdir}/libvolume_id.so.*"
+FILES_udev-cache = "${sysconfdir}/init.d/udev-cache"
 
-RRECOMMENDS_${PN} = "udev-extraconf"
+RRECOMMENDS_${PN} += "udev-extraconf udev-cache"
 
 inherit update-rc.d autotools pkgconfig
 
-INITSCRIPT_NAME = "udev"
-INITSCRIPT_PARAMS = "start 04 S ."
+INITSCRIPT_PACKAGES = "udev udev-cache"
+INITSCRIPT_NAME_udev = "udev"
+INITSCRIPT_PARAMS_udev = "start 04 S ."
+INITSCRIPT_NAME_udev-cache = "udev-cache"
+INITSCRIPT_PARAMS_udev-cache = "start 36 S ."
 
 export CROSS = "${TARGET_PREFIX}"
 export HOSTCC = "${BUILD_CC}"
@@ -48,6 +53,7 @@ do_install () {
 	oe_runmake 'DESTDIR=${D}' INSTALL=install install
 	install -d ${D}${sysconfdir}/init.d
 	install -m 0755 ${WORKDIR}/init ${D}${sysconfdir}/init.d/udev
+	install -m 0755 ${WORKDIR}/udev-cache ${D}${sysconfdir}/init.d/udev-cache
 
 	install -d ${D}${sysconfdir}/udev/rules.d/
 
diff --git a/meta/packages/udev/udev_092.bb b/meta/packages/udev/udev_092.bb
index cce65d83d..c8669c3e6 100644
--- a/meta/packages/udev/udev_092.bb
+++ b/meta/packages/udev/udev_092.bb
@@ -31,6 +31,7 @@ do_install () {
 	oe_runmake 'DESTDIR=${D}' INSTALL=install install
 	install -d ${D}${sysconfdir}/init.d
 	install -m 0755 ${WORKDIR}/init ${D}${sysconfdir}/init.d/udev
+	install -m 0755 ${WORKDIR}/udev-cache ${D}${sysconfdir}/init.d/udev-cache
 
 	install -d ${D}${sysconfdir}/udev/rules.d/
 
diff --git a/meta/packages/udev/udev_115.bb b/meta/packages/udev/udev_115.bb
index 6d9eede57..835d02b37 100644
--- a/meta/packages/udev/udev_115.bb
+++ b/meta/packages/udev/udev_115.bb
@@ -30,6 +30,7 @@ do_install () {
 	oe_runmake 'DESTDIR=${D}' INSTALL=install install
 	install -d ${D}${sysconfdir}/init.d
 	install -m 0755 ${WORKDIR}/init ${D}${sysconfdir}/init.d/udev
+	install -m 0755 ${WORKDIR}/udev-cache ${D}${sysconfdir}/init.d/udev-cache
 
 	install -d ${D}${sysconfdir}/udev/rules.d/
 
diff --git a/meta/packages/udev/udev_124.bb b/meta/packages/udev/udev_124.bb
index 32f1cd245..dad25f525 100644
--- a/meta/packages/udev/udev_124.bb
+++ b/meta/packages/udev/udev_124.bb
@@ -31,6 +31,7 @@ do_install () {
 	oe_runmake 'DESTDIR=${D}' INSTALL=install install
 	install -d ${D}${sysconfdir}/init.d
 	install -m 0755 ${WORKDIR}/init ${D}${sysconfdir}/init.d/udev
+	install -m 0755 ${WORKDIR}/udev-cache ${D}${sysconfdir}/init.d/udev-cache
 
 	install -d ${D}${sysconfdir}/udev/rules.d/
 
diff --git a/meta/packages/udev/udev_141.bb b/meta/packages/udev/udev_141.bb
index 25c605791..393c9f877 100644
--- a/meta/packages/udev/udev_141.bb
+++ b/meta/packages/udev/udev_141.bb
@@ -16,8 +16,6 @@ PACKAGE_ARCH_h2200 = "h2200"
 
 require udev.inc
 
-INITSCRIPT_PARAMS = "start 03 S ."
-
 FILES_${PN} += "${base_libdir}/udev/*"
 FILES_${PN}-dbg += "${base_libdir}/udev/.debug"
 UDEV_EXTRAS = "extras/firmware/ extras/scsi_id/ extras/volume_id/"
@@ -33,6 +31,7 @@ do_install () {
 	oe_runmake 'DESTDIR=${D}' INSTALL=install install
 	install -d ${D}${sysconfdir}/init.d
 	install -m 0755 ${WORKDIR}/init ${D}${sysconfdir}/init.d/udev
+	install -m 0755 ${WORKDIR}/udev-cache ${D}${sysconfdir}/init.d/udev-cache
 
 	install -d ${D}${sysconfdir}/udev/rules.d/
 
diff --git a/meta/packages/udev/udev_145.bb b/meta/packages/udev/udev_145.bb
index 1d04be1af..d6cc9909d 100644
--- a/meta/packages/udev/udev_145.bb
+++ b/meta/packages/udev/udev_145.bb
@@ -31,6 +31,7 @@ do_install () {
 	oe_runmake 'DESTDIR=${D}' INSTALL=install install
 	install -d ${D}${sysconfdir}/init.d
 	install -m 0755 ${WORKDIR}/init ${D}${sysconfdir}/init.d/udev
+	install -m 0755 ${WORKDIR}/udev-cache ${D}${sysconfdir}/init.d/udev-cache
 
 	install -d ${D}${sysconfdir}/udev/rules.d/
 
@@ -64,4 +65,4 @@ do_install_append_h2200() {
 
 do_stage () {
 	autotools_stage_all
-}
\ No newline at end of file
+}