[PATCH for-4.2? v2 0/6] block: Fix resize (extending) of short overlays

[Kevin Wolf]

See patch 2 for the description of the bug fixed.

v2:
- Switched order of bs->total_sectors update and zero write [Vladimir]
- Fixed coding style [Vladimir]
- Changed the commit message to contain what was in the cover letter
- Test all preallocation modes
- Test allocation status with qemu-io 'map' [Vladimir]

Kevin Wolf (6):
  block: bdrv_co_do_pwrite_zeroes: 64 bit 'bytes' parameter
  block: truncate: Don't make backing file data visible
  iotests: Add qemu_io_log()
  iotests: Fix timeout in run_job()
  iotests: Support job-complete in run_job()
  iotests: Test committing to short backing file

 block/io.c                    |  38 +++++-
 tests/qemu-iotests/274        | 141 +++++++++++++++++++++
 tests/qemu-iotests/274.out    | 227 ++++++++++++++++++++++++++++++++++
 tests/qemu-iotests/group      |   1 +
 tests/qemu-iotests/iotests.py |  11 +-
 5 files changed, 413 insertions(+), 5 deletions(-)
 create mode 100755 tests/qemu-iotests/274
 create mode 100644 tests/qemu-iotests/274.out

-- 
2.20.1