This will speed up file creation and still allow the btrfs tools to
create a full btrfs image. This is similar to what we do for ext234
FS types.
Signed-off-by: Saul Wold <s...@linux.intel.com>
---
meta/classes/image_types.bbclass | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/meta/classes/image_types.bbclass b/meta/classes/image_types.bbclass
index aaba1073a08..ce7699d9b60 100644
--- a/meta/classes/image_types.bbclass
+++ b/meta/classes/image_types.bbclass
@@ -104,7 +104,7 @@ IMAGE_CMD_btrfs () {
size=${MIN_BTRFS_SIZE}
bbwarn "Rootfs size is too small for BTRFS. Filesystem will be
extended to ${size}K"
fi
- dd if=/dev/zero
of=${IMGDEPLOYDIR}/${IMAGE_NAME}${IMAGE_NAME_SUFFIX}.btrfs count=${size} bs=1024
+ dd if=/dev/zero
of=${IMGDEPLOYDIR}/${IMAGE_NAME}${IMAGE_NAME_SUFFIX}.btrfs seek=${size} count=0
bs=1024
mkfs.btrfs ${EXTRA_IMAGECMD} -r ${IMAGE_ROOTFS}
${IMGDEPLOYDIR}/${IMAGE_NAME}${IMAGE_NAME_SUFFIX}.btrfs
}
--
2.13.6
--
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