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author | Fam Zheng | 2014-05-06 15:08:43 +0200 |
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committer | Stefan Hajnoczi | 2014-05-09 13:32:16 +0200 |
commit | 85f49cad879adfb5c3cbdc47ca3c3b50eb8f40bc (patch) | |
tree | 1600d9060ee2ffebfa8b95af4f4338aaf1896fc1 /qemu-img.c | |
parent | block/iscsi: bump year in copyright notice (diff) | |
download | qemu-85f49cad879adfb5c3cbdc47ca3c3b50eb8f40bc.tar.gz qemu-85f49cad879adfb5c3cbdc47ca3c3b50eb8f40bc.tar.xz qemu-85f49cad879adfb5c3cbdc47ca3c3b50eb8f40bc.zip |
qemu-img: Convert by cluster size if target is compressed
If target block driver forces compression, qemu-img convert needs to
write by cluster size as well as "-c" option.
Particularly, this applies for converting to VMDK streamOptimized
format.
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'qemu-img.c')
-rw-r--r-- | qemu-img.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/qemu-img.c b/qemu-img.c index 317bc6c1cd..04ce02aeb4 100644 --- a/qemu-img.c +++ b/qemu-img.c @@ -1502,6 +1502,7 @@ static int img_convert(int argc, char **argv) goto out; } } else { + compress = compress || bdi.needs_compressed_writes; cluster_sectors = bdi.cluster_size / BDRV_SECTOR_SIZE; } |