On 04/08/2016 05:14 PM, Joshua Lock wrote:
From: Joshua Lock <[email protected]>
The individual partitions created by wic are sparse but without
this change the assembled image is written as one (potentially
very) large file.
Preserve sparseness in the assembled image by passing the sparse
conversion symbol.
[YOCTO #9099]
Signed-off-by: Joshua Lock <[email protected]>
---
scripts/lib/wic/utils/partitionedfs.py | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/scripts/lib/wic/utils/partitionedfs.py
b/scripts/lib/wic/utils/partitionedfs.py
index 5a103bb..3e2b420 100644
--- a/scripts/lib/wic/utils/partitionedfs.py
+++ b/scripts/lib/wic/utils/partitionedfs.py
@@ -340,7 +340,7 @@ class Image(object):
source = part['source_file']
if source:
# install source_file contents into a partition
- cmd = "dd if=%s of=%s bs=%d seek=%d count=%d conv=notrunc" % \
+ cmd = "dd if=%s of=%s bs=%d seek=%d count=%d
conv=notrunc,sparse" % \
Hi Joshua,
I got errors with this patch since my dd doesn't support conversion sparse:
dd: invalid conversion: `sparse'
Try `dd --help' for more information.
So that it would fail.
$ dd --version
dd (coreutils) 8.13
Copyright (C) 2011 Free Software Foundation, Inc.
The host is Ubuntu 12.04, it works well except this error.
// Robert
(source, image_file, self.sector_size,
part['start'], part['size'])
exec_cmd(cmd)
--
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