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[PULL 00/14] Block layer patches


From: Kevin Wolf
Subject: [PULL 00/14] Block layer patches
Date: Mon, 4 Sep 2023 16:36:29 +0200

The following changes since commit 17780edd81d27fcfdb7a802efc870a99788bd2fc:

  Merge tag 'quick-fix-pull-request' of https://gitlab.com/bsdimp/qemu into 
staging (2023-08-31 10:06:29 -0400)

are available in the Git repository at:

  https://repo.or.cz/qemu/kevin.git tags/for-upstream

for you to fetch changes up to bb86eb45297840c31dbc4df6bac02e50596f2376:

  block: Remove unnecessary variable in bdrv_block_device_info (2023-09-04 
11:03:28 +0200)

----------------------------------------------------------------
Block layer patches

- Process I/O in the current AioContext (instead of the BB AioContext)
- Optimise reqs_lock to make multiqueue actually scale
- iotests: Fix reference output for some tests after recent changes
- vpc: Avoid dynamic stack allocation
- Code cleanup, improved documentation

----------------------------------------------------------------
Dmitry Frolov (1):
      vmdk: Clean up bdrv_open_child() return value check

Fabiano Rosas (2):
      block: Remove bdrv_query_block_node_info
      block: Remove unnecessary variable in bdrv_block_device_info

Fiona Ebner (1):
      iotests: adapt test output for new qemu_cleanup() behavior

Hanna Czenczek (1):
      block: Be more verbose in create fallback

Kevin Wolf (1):
      qemu-img: Update documentation for compressed images

Michael Tokarev (1):
      qemu-img: omit errno value in error message

Peter Maydell (1):
      block/iscsi: Document why we use raw malloc()

Philippe Mathieu-Daudé (1):
      block/vpc: Avoid dynamic stack allocation

Stefan Hajnoczi (5):
      block: minimize bs->reqs_lock section in tracked_request_end()
      block: change reqs_lock to QemuMutex
      block: remove AIOCBInfo->get_aio_context()
      block-backend: process I/O in the current AioContext
      block-backend: process zoned requests in the current AioContext

 docs/tools/qemu-img.rst            | 19 ++++++++++++--
 include/block/aio.h                |  1 -
 include/block/block-global-state.h |  2 ++
 include/block/block-io.h           |  1 -
 include/block/block_int-common.h   |  2 +-
 include/block/qapi.h               |  3 ---
 block.c                            | 10 ++++---
 block/block-backend.c              | 35 +++++++------------------
 block/io.c                         | 53 +++++++++++++++++++-------------------
 block/iscsi.c                      |  1 +
 block/qapi.c                       | 32 ++---------------------
 block/vmdk.c                       |  2 +-
 block/vpc.c                        |  4 +--
 hw/nvme/ctrl.c                     |  7 -----
 qemu-img.c                         |  4 +--
 softmmu/dma-helpers.c              |  8 ------
 util/thread-pool.c                 |  8 ------
 tests/qemu-iotests/080.out         |  6 ++---
 tests/qemu-iotests/109.out         | 24 +++++++++++++++++
 tests/qemu-iotests/112.out         |  6 ++---
 tests/qemu-iotests/185             |  2 ++
 tests/qemu-iotests/185.out         |  4 +++
 tests/qemu-iotests/244.out         |  2 +-
 23 files changed, 107 insertions(+), 129 deletions(-)




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