Commit 288b6c9e78 for qemu.org

commit 288b6c9e78913401fac4880b3281ce431540b8df
Merge: 11661d8572 137374d861
Author: Richard Henderson <richard.henderson@linaro.org>
Date:   Mon Oct 19 10:54:44 2026 +0200

    Merge tag 'pull-nbd-2026-10-08-v4' of https://gitlab.com/ebblake/qemu into staging

    NBD patches through 2026-10-08

    Several fixes, including:
    - Eric Blake: Update MAINTAINERS, support qemu-nbd -s -l
    - Fiona Ebner: Report flush error on qemu-img convert
    - Denis V. Lunev: Fix postcopy dirty bitmap migration
    - Eric Farman: Several iotest improvements

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    * tag 'pull-nbd-2026-10-08-v4' of https://gitlab.com/ebblake/qemu:
      iotests/iothreads-nbd-export: Skip on s390
      iotests/fuse-truncate: skip if FUSE is not usable
      iotests/nbd-tls-iothread: skip on non-x86 hardware
      iotests/nbd-in-qcow2-chain: use default machine
      iotests/migrate-bitmaps-postcopy-test: add a bitmap on a second node
      migration/block-dirty-bitmap: fix postcopy abort with bitmaps on several nodes
      migration: add QEMU_COUNTED_STRING_SIZE for counted string buffers
      qemu-img: convert: flush target image after copying
      block: report flush error during bdrv_close()
      iotests.py: add filter_qemu()
      iotests: add test cases for failing flush after qemu-img convert
      qemu-nbd: Support -s and -l at the same time
      maint: Update eblake's staging repo

    Signed-off-by: Richard Henderson <richard.henderson@linaro.org>