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[libvirt] [PATCH 0/9] Storage cloning for LVM and Disk backends

This following series implements cloning for LVM and disk backends. Most
of the functionality is already here, it just needed some reorganization
to be accessible for every backend.

I verified the following scenarios produced a bootable image:

- Clone within a disk pool
- Clone within a logical pool
- Clone a raw file to a disk pool
- Clone a disk pool to a logical pool

Cole Robinson (9):
  storage: Refactor FS backend 'create' function choosing.
  storage: Always assume we are tracking alloc progress in FS backend
  storage: Move most of the FS creation functions to common backend.
  storage: cleanup: do away with 'createFile'
  storage: Break out actual raw cloning to separate function.
  storage: Implement 'CreateBlockFrom' helper.
  storage: Don't try sparse detection if writing to block device.
  storage: Implement CreateVolFrom for logical and disk backend.
  storage: Fix deadlock when cloning across pools.

 src/storage_backend.c         |  471 +++++++++++++++++++++++++++++++++++++++++
 src/storage_backend.h         |   15 ++
 src/storage_backend_disk.c    |   15 ++
 src/storage_backend_fs.c      |  378 ++-------------------------------
 src/storage_backend_logical.c |   17 ++
 src/storage_driver.c          |    6 +-
 6 files changed, 540 insertions(+), 362 deletions(-)

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