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qemu-img: add compressed clusters to BlockFragInfo

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Show how many clusters are compressed.  This can be used to monitor how
many compressed clusters remain and whether to recompress the image.

Suggested-by: Cole Robinson <crobinso@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2013-02-07 17:15:04 +01:00 • committed by Kevin Wolf
parent c9fc508398
commit e6439d783c
5 changed files with 13 additions and 4 deletions
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7
qemu-img.c
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@ -428,10 +428,11 @@ static void dump_human_image_check(ImageCheck *check)
if (check->total_clusters != 0 && check->allocated_clusters != 0) {
printf("%" PRId64 "/%" PRId64 " = %0.2f%% allocated, "
"%0.2f%% fragmented\n",
"%0.2f%% fragmented, %0.2f%% compressed clusters\n",
check->allocated_clusters, check->total_clusters,
check->allocated_clusters * 100.0 / check->total_clusters,
check->fragmented_clusters * 100.0 / check->allocated_clusters);
check->fragmented_clusters * 100.0 / check->allocated_clusters,
check->compressed_clusters * 100.0 / check->allocated_clusters);
}
if (check->image_end_offset) {
@ -472,6 +473,8 @@ static int collect_image_check(BlockDriverState *bs,
check->has_allocated_clusters = result.bfi.allocated_clusters != 0;
check->fragmented_clusters = result.bfi.fragmented_clusters;
check->has_fragmented_clusters = result.bfi.fragmented_clusters != 0;
check->compressed_clusters = result.bfi.compressed_clusters;
check->has_compressed_clusters = result.bfi.compressed_clusters != 0;
return 0;
}