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| author |   Saul Wold <sgw@linux.intel.com> | 2017-12-06 19:37:10 -0800 |
|---|---|---|
| committer |   Richard Purdie <richard.purdie@linuxfoundation.org> | 2018-01-06 10:11:42 +0000 |
| commit | 8eb20c43232ae87c65d27810e5250676bb1d9675 (patch) | |
| tree | b401cfd56695ffa1c189c571418d7fc54cdc7831 | |
| parent | a66bf18b35a6ebbad7c821512cdf5969f72d6844 (diff) | |
| download | openembedded-core-8eb20c43232ae87c65d27810e5250676bb1d9675.tar.gz | |
image_types: btrfs use sparse file creation
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 <sgw@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
(cherry picked from commit de2f2fc9e8e6d874a11e69adc2f438975a5c1359)
Signed-off-by: Armin Kuster <akuster808@gmail.com>
| -rw-r--r-- | meta/classes/image_types.bbclass | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/meta/classes/image_types.bbclass b/meta/classes/image_types.bbclass index d09d1277ea..e881d0cc2d 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 } |