v2 of:

https://www.redhat.com/archives/libvir-list/2020-July/msg00145.html

diff to v1:
- Switch virfdstream to glib (patches 1-6)
- Document the feature in NEWS.rst
- Introduced test cases for virStringIsNull()
- Included what was WIP patch in v1 => patch 16 which ensures block
  devices aren't read twice

Michal Prívozník (17):
  virfdstream: Use g_autofree in virFDStreamThreadDoRead()
  virFDStreamMsgQueuePush: Clear pointer to passed message
  virfdstream: Use autoptr for virFDStreamMsg
  virfdstream: Use g_new0() instead of VIR_ALLOC()
  virfdstream: Use VIR_AUTOCLOSE()
  virfdstream: Drop some needless labels
  libvirt-storage: Document volume upload/download stream format
  virstring: Introduce virStringIsNull()
  virfile: Introduce virFileInDataDetectZeroes()
  virsh: Pass virshStreamCallbackDataPtr to virshStreamSink() and
    virshStreamSkip()
  virsh: Track if vol-upload or vol-download work over a block device
  virshStreamSkip: Emulate skip for block devices
  virfdstream: Allow sparse stream vol-download
  virshStreamInData: Handle block devices
  virfdstream: Emulate skip for block devices
  stream: Don't read block device twice
  news: Document sparse streams for block devcies

 NEWS.rst                 |   7 ++
 src/libvirt-storage.c    |   8 +-
 src/libvirt_private.syms |   2 +
 src/util/virfdstream.c   | 179 ++++++++++++++++++++++-----------------
 src/util/virfile.c       |  50 +++++++++++
 src/util/virfile.h       |   5 ++
 src/util/virstring.c     |  38 +++++++++
 src/util/virstring.h     |   2 +
 tests/virstringtest.c    |  47 ++++++++++
 tools/virsh-util.c       |  90 +++++++++++++++++---
 tools/virsh-util.h       |   4 +
 tools/virsh-volume.c     |  23 ++++-
 12 files changed, 360 insertions(+), 95 deletions(-)

-- 
2.26.2

On 7/7/20 9:46 PM, Michal Privoznik wrote:
>

Polite ping?