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busybox-initramfs:

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- speedup loading initramfs with ionice
This commit is contained in:
Stephan Raue 2010-02-15 06:58:50 +01:00
parent 6cdc894b6e
commit 1c9cf5122f
1 changed files with 26 additions and 14 deletions
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40
packages/sysutils/busybox-initramfs/scripts/init
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@ -46,7 +46,8 @@
progress "trying to mount $1 ..." progress "trying to mount $1 ..."
for i in 1 2 3 4 5 6 7 8 9 10; do for i in 1 2 3 4 5 6 7 8 9 10; do
ERR_ENV=1 ERR_ENV=1
/bin/busybox mount -o $3 $1 $2 > /dev/null 2>&1 /bin/busybox ionice -c 1 -n 0 \
/bin/busybox mount -o $3 $1 $2 > /dev/null 2>&1
[ $? -eq 0 ] && ERR_ENV=0 && break [ $? -eq 0 ] && ERR_ENV=0 && break
sleep 1 sleep 1
done done
@ -56,10 +57,14 @@
update() { update() {
if [ -f "$UPDATE_DIR/$2" ]; then if [ -f "$UPDATE_DIR/$2" ]; then
echo "updating $1..." echo "updating $1..."
/bin/busybox mount -o remount,rw /flash /bin/busybox ionice -c 1 -n 0 \
/bin/busybox mv $UPDATE_DIR/$2 $3 /bin/busybox mount -o remount,rw /flash
/bin/busybox mount -o remount,ro /flash /bin/busybox ionice -c 1 -n 0 \
/bin/busybox sync /bin/busybox mv $UPDATE_DIR/$2 $3
/bin/busybox ionice -c 1 -n 0 \
/bin/busybox mount -o remount,ro /flash
/bin/busybox ionice -c 1 -n 0 \
/bin/busybox sync
[ $2 = $IMAGE_KERNEL ] && REBOOT=1 [ $2 = $IMAGE_KERNEL ] && REBOOT=1
fi fi
} }
@ -83,19 +88,26 @@
debug_shell debug_shell
fi fi
/bin/busybox mount --move /proc /sysroot/proc /bin/busybox ionice -c 1 -n 0 \
/bin/busybox mount --move /sys /sysroot/sys /bin/busybox mount --move /proc /sysroot/proc
/bin/busybox mount --move /dev /sysroot/dev /bin/busybox ionice -c 1 -n 0 \
/bin/busybox mount --move /flash /sysroot/flash /bin/busybox mount --move /sys /sysroot/sys
/bin/busybox mount --move /storage /sysroot/storage /bin/busybox ionice -c 1 -n 0 \
/bin/busybox mount --move /dev /sysroot/dev
/bin/busybox ionice -c 1 -n 0 \
/bin/busybox mount --move /flash /sysroot/flash
/bin/busybox ionice -c 1 -n 0 \
/bin/busybox mount --move /storage /sysroot/storage
if [ "$BOOTCHART" = "yes" -a -f "/sysroot/sbin/bootchartd" ] ; then if [ "$BOOTCHART" = "yes" -a -f "/sysroot/sbin/bootchartd" ] ; then
progress "Starting Bootchart logging" progress "Starting Bootchart logging"
mkdir -p /sysroot/storage/.bootchart /bin/busybox ionice -c 1 -n 0 \
exec /bin/busybox switch_root /sysroot \ /bin/busybox mkdir -p /sysroot/storage/.bootchart
/sbin/bootchartd -o /storage/.bootchart exec /bin/busybox ionice -c 1 -n 0 \
/bin/busybox switch_root /sysroot /sbin/bootchartd -o /storage/.bootchart
else else
exec /bin/busybox switch_root /sysroot /sbin/init exec /bin/busybox ionice -c 1 -n 0 \
/bin/busybox switch_root /sysroot /sbin/init
fi fi
error "INIT_3" "Error in initramfs. Could not switch to new root" error "INIT_3" "Error in initramfs. Could not switch to new root"