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authorRoss Burton <ross.burton@intel.com>2016-04-12 15:51:50 +0100
committerRichard Purdie <richard.purdie@linuxfoundation.org>2016-04-13 10:12:43 +0100
commit63d15764cc2014dba9fee2186f0c8b97c2ac5682 (patch)
tree347956db8efa5e18b89729ec2c33ef554259620f /scripts
parentb3afe7d9bd25a943e947de3ec064ea245173c5a8 (diff)
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Revert "wic/utils/partitionedfs.py: assemble .wic images as sparse files"
It turns out that dd's conv=sparse doesn't look at the file extents, but simply checks if a "block" is all zero. If the block of zero was meaningful it gets lost and if the image is subsequently written to media using a sparse-aware writer then the block of zeros won't be written at all. This reverts commit 5fd592fbae2e046bcb8c3a6c3ef4993fe0400676. Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/lib/wic/utils/partitionedfs.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/scripts/lib/wic/utils/partitionedfs.py b/scripts/lib/wic/utils/partitionedfs.py
index 3e2b420875..5a103bbc7e 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,sparse" % \
+ cmd = "dd if=%s of=%s bs=%d seek=%d count=%d conv=notrunc" % \
(source, image_file, self.sector_size,
part['start'], part['size'])
exec_cmd(cmd)