From 010ca39e3bce2bfb24ab74e7e59ee0cb65791b3e Mon Sep 17 00:00:00 2001 From: Otavio Salvador Date: Mon, 30 Apr 2012 18:01:54 -0300 Subject: image_types_fsl.bbclass: use a sparse file for sdcard generation This speeds up the generation of the sdcard and reduces the amount of space used for it. Signed-off-by: Otavio Salvador Reported-by: "John Passaniti" --- classes/image_types_fsl.bbclass | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/classes/image_types_fsl.bbclass b/classes/image_types_fsl.bbclass index d9e292c..5d213e5 100644 --- a/classes/image_types_fsl.bbclass +++ b/classes/image_types_fsl.bbclass @@ -53,7 +53,8 @@ IMAGE_CMD_sdcard () { TMP=${WORKDIR}/tmp SDCARD=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.sdcard - dd if=/dev/zero of=${SDCARD} bs=$(expr 1000 \* 1000) count=${SDCARD_SIZE} + # Initialize a sparse file + dd if=/dev/zero of=${SDCARD} bs=1 count=0 seek=$(expr 1000 \* 1000 \* ${SDCARD_SIZE}) # Create partition table parted -s ${SDCARD} mklabel msdos -- cgit v1.2.3-54-g00ecf