[PULL,00/42] Block patches

A couple of patch series make this pull request large:

 * Benoit Canet's new I/O throttling implementation
 * Fam Zheng's BlockDriverState refcount
 * Paolo Bonzini's get_block_status() and qemu-img map command

The following changes since commit df7131623daf4823e087eb1128f6c1c351519774:

  Merge remote-tracking branch 'bonzini/iommu-for-anthony' into staging (2013-09-05 13:38:53 -0500)

are available in the git repository at:


  git://github.com/stefanha/qemu.git block

for you to fetch changes up to 8f94b077877151de93a63c73f796897309568ddb:

  qemu-iotests: Fixed test case 026 (2013-09-06 15:25:10 +0200)

----------------------------------------------------------------
Alex Bligh (1):
      aio / timers: fix build of test/test-aio.c on non-linux platforms

Alexandre Derumier (1):
      add qemu-img convert -n option (skip target volume creation)

Benoît Canet (5):
      throttle: Add a new throttling API implementing continuous leaky bucket.
      throttle: Add units tests
      block: Enable the new throttling code in the block layer.
      block: Add support for throttling burst max in QMP and the command line.
      block: Add iops_size to do the iops accounting for a given io size.

Cornelia Huck (1):
      dataplane: Fix startup race.

Fam Zheng (8):
      vvfat: use bdrv_new() to allocate BlockDriverState
      iscsi: use bdrv_new() instead of stack structure
      block: implement reference count for BlockDriverState
      block: make bdrv_delete() static
      migration: omit drive ref as we have bdrv_ref now
      xen_disk: simplify blk_disconnect with refcnt
      nbd: use BlockDriverState refcnt
      block: use BDS ref for block jobs

Kevin Wolf (2):
      qemu-iotests: Whitespace cleanup
      qemu-iotests: Fixed test case 026

Max Reitz (2):
      qemu-iotests: Adjust test result 039
      qmp: Documentation for BLOCK_IMAGE_CORRUPTED

Paolo Bonzini (21):
      cow: make reads go at a decent speed
      cow: make writes go at a less indecent speed
      cow: do not call bdrv_co_is_allocated
      block: keep bs->total_sectors up to date even for growable block devices
      block: make bdrv_co_is_allocated static
      block: do not use ->total_sectors in bdrv_co_is_allocated
      block: remove bdrv_is_allocated_above/bdrv_co_is_allocated_above distinction
      block: expect errors from bdrv_co_is_allocated
      qemu-img: always probe the input image for allocated sectors
      block: make bdrv_has_zero_init return false for copy-on-write-images
      block: introduce bdrv_get_block_status API
      block: define get_block_status return value
      block: return get_block_status data and flags for formats
      block: use bdrv_has_zero_init to return BDRV_BLOCK_ZERO
      block: return BDRV_BLOCK_ZERO past end of backing file
      qemu-img: add a "map" subcommand
      docs, qapi: document qemu-img map
      raw-posix: return get_block_status data and flags
      raw-posix: report unwritten extents as zero
      block: add default get_block_status implementation for protocols
      block: look for zero blocks in bs->file

Stefan Weil (1):
      w32: Fix access to host devices (regression)

 QMP/qmp-events.txt                 |  22 ++
 block-migration.c                  |   4 +-
 block.c                            | 556 ++++++++++++++------------------
 block/backup.c                     |   6 +-
 block/blkverify.c                  |   4 +-
 block/commit.c                     |   6 +-
 block/cow.c                        |  93 ++++--
 block/iscsi.c                      |  16 +-
 block/mirror.c                     |   6 +-
 block/qapi.c                       |  50 ++-
 block/qcow.c                       |  15 +-
 block/qcow2.c                      |  26 +-
 block/qed.c                        |  41 ++-
 block/raw-posix.c                  |  24 +-
 block/raw-win32.c                  |  36 ++-
 block/raw_bsd.c                    |  10 +-
 block/sheepdog.c                   |  20 +-
 block/snapshot.c                   |   2 +-
 block/stream.c                     |  12 +-
 block/vdi.c                        |  17 +-
 block/vmdk.c                       |  33 +-
 block/vvfat.c                      |  21 +-
 blockdev-nbd.c                     |  10 +-
 blockdev.c                         | 242 ++++++++------
 blockjob.c                         |   1 +
 hmp.c                              |  36 ++-
 hw/block/dataplane/virtio-blk.c    |   9 +
 hw/block/xen_disk.c                |  13 +-
 include/block/block.h              |  38 ++-
 include/block/block_int.h          |  35 +--
 include/qemu/throttle.h            | 110 +++++++
 nbd.c                              |   5 +
 qapi-schema.json                   |  69 +++-
 qemu-img-cmds.hx                   |  10 +-
 qemu-img.c                         | 317 ++++++++++++++++---
 qemu-img.texi                      |  70 ++++-
 qemu-io-cmds.c                     |   4 +
 qemu-io.c                          |   6 +-
 qemu-options.hx                    |   6 +-
 qmp-commands.hx                    |  32 +-
 tests/Makefile                     |   2 +
 tests/qemu-iotests/026.out         |  28 +-
 tests/qemu-iotests/026.out.nocache | 626 +++++++++++++++++++++++++++++++++++++
 tests/qemu-iotests/039.out         |   4 +-
 tests/qemu-iotests/063             |  97 ++++++
 tests/qemu-iotests/063.out         |  10 +
 tests/qemu-iotests/check           | 240 +++++++-------
 tests/qemu-iotests/common          | 422 ++++++++++++-------------
 tests/qemu-iotests/common.config   |   6 +-
 tests/qemu-iotests/common.filter   |  42 +--
 tests/qemu-iotests/common.pattern  |   4 +-
 tests/qemu-iotests/common.rc       |  92 +++---
 tests/qemu-iotests/group           |   1 +
 tests/test-aio.c                   |  11 +-
 tests/test-throttle.c              | 481 ++++++++++++++++++++++++++++
 util/Makefile.objs                 |   1 +
 util/throttle.c                    | 396 +++++++++++++++++++++++
 57 files changed, 3407 insertions(+), 1089 deletions(-)
 create mode 100644 include/qemu/throttle.h
 create mode 100644 tests/qemu-iotests/026.out.nocache
 create mode 100755 tests/qemu-iotests/063
 create mode 100644 tests/qemu-iotests/063.out
 create mode 100644 tests/test-throttle.c
 create mode 100644 util/throttle.c