Comment 3 for bug 1388880

Quick test with swift against radosgw:

ubuntu@james-page-bastion:~⟫ swift upload -S 10000000 kerneltest /boot/initrd.img-4.4.0-96-generic
boot/initrd.img-4.4.0-96-generic segment 1
boot/initrd.img-4.4.0-96-generic segment 0
boot/initrd.img-4.4.0-96-generic
ubuntu@james-page-bastion:~⟫ swift stat kerneltest boot/initrd.img-4.4.0-96-generic
       Account: v1
     Container: kerneltest
        Object: boot/initrd.img-4.4.0-96-generic
  Content Type: binary/octet-stream
Content Length: 15604860
 Last Modified: Mon, 30 Oct 2017 11:47:06 GMT
          ETag: "47ecced69b46738eeda009e28c53ce94"
      Manifest: kerneltest_segments/boot/initrd.img-4.4.0-96-generic/1505843367.051525/15604860/10000000/
    Meta Mtime: 1505843367.051525
 Accept-Ranges: bytes
   X-Timestamp: 1509364026.63073
    X-Trans-Id: tx0000000000000000015bc-0059f7114a-2ca27-default
ubuntu@james-page-bastion:~⟫ swift post -m "x-object-meta-test1:test1" kerneltest boot/initrd.img-4.4.0-96-generic
ubuntu@james-page-bastion:~⟫ swift stat kerneltest boot/initrd.img-4.4.0-96-generic
                 Account: v1
               Container: kerneltest
                  Object: boot/initrd.img-4.4.0-96-generic
            Content Type: binary/octet-stream
          Content Length: 15604860
           Last Modified: Mon, 30 Oct 2017 11:47:46 GMT
                    ETag: "47ecced69b46738eeda009e28c53ce94"
                Manifest: kerneltest_segments/boot/initrd.img-4.4.0-96-generic/1505843367.051525/15604860/10000000/
Meta X-Object-Meta-Test1: test1
           Accept-Ranges: bytes
             X-Timestamp: 1509364066.09740
              X-Trans-Id: tx000000000000000000f95-0059f71165-2ca24-default
ubuntu@james-page-bastion:~⟫

LGTM (that's a xenial-ocata based cloud).

checking with swift as well.