* [PATCH] image_types: btrfs use sparse file creation
@ 2017-12-07 3:46 Saul Wold
0 siblings, 0 replies; 2+ messages in thread
From: Saul Wold @ 2017-12-07 3:46 UTC (permalink / raw)
To: openembedded-core, richard.purdie
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>
---
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}${IMAGE_NAME_SUFFIX}.btrfs
}
--
2.13.6
^ permalink raw reply related [flat|nested] 2+ messages in thread* [PATCH] image_types: btrfs use sparse file creation
@ 2017-12-07 3:37 Saul Wold
0 siblings, 0 replies; 2+ messages in thread
From: Saul Wold @ 2017-12-07 3:37 UTC (permalink / raw)
To: openembedded-core, richard.purdie
This will speed up file creation and still allow the btrfs tools to
create a full btrfs image. This is similar to what we do for ext234
FS types.
Signed-off-by: Saul Wold <sgw@linux.intel.com>
---
meta/classes/image_types.bbclass | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/meta/classes/image_types.bbclass b/meta/classes/image_types.bbclass
index aaba1073a08..ce7699d9b60 100644
--- a/meta/classes/image_types.bbclass
+++ b/meta/classes/image_types.bbclass
@@ -104,7 +104,7 @@ IMAGE_CMD_btrfs () {
size=${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
^ permalink raw reply related [flat|nested] 2+ messages in thread
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