The following changes since commit 864813878951b44e964eb4c012d832fd21f8cc0c:
Merge tag 'pull-loongarch-20250514' of https://github.com/gaosong715/qemu into staging (2025-05-14 07:16:57 -0400) are available in the Git repository at: https://repo.or.cz/qemu/ericb.git tags/pull-nbd-2025-05-14 for you to fetch changes up to aff46b4bf556430dd3c12fa39a457f0487bb0053: mirror: Reduce I/O when destination is detect-zeroes:unmap (2025-05-14 21:27:04 -0500) ---------------------------------------------------------------- NBD patches for 2025-05-14 - Eric Blake: fix blockdev-mirror to no longer inflate sparse destination that already reads as zero ---------------------------------------------------------------- Andrey Drobyshev (1): iotests/common.rc: add disk_usage function Eric Blake (13): block: Expand block status mode from bool to flags file-posix, gluster: Handle zero block status hint better block: Let bdrv_co_is_zero_fast consolidate adjacent extents block: Add new bdrv_co_is_all_zeroes() function iotests: Improve iotest 194 to mirror data mirror: Minor refactoring mirror: Pass full sync mode rather than bool to internals mirror: Allow QMP override to declare target already zero mirror: Drop redundant zero_target parameter mirror: Skip pre-zeroing destination if it is already zero mirror: Skip writing zeroes when target is already zero tests: Add iotest mirror-sparse for recent patches mirror: Reduce I/O when destination is detect-zeroes:unmap qapi/block-core.json | 8 +- block/coroutines.h | 4 +- include/block/block-common.h | 11 + include/block/block-io.h | 2 + include/block/block_int-common.h | 27 ++- include/block/block_int-global-state.h | 4 +- include/block/block_int-io.h | 4 +- block/io.c | 126 +++++++--- block/blkdebug.c | 6 +- block/copy-before-write.c | 4 +- block/file-posix.c | 5 +- block/gluster.c | 4 +- block/iscsi.c | 6 +- block/mirror.c | 190 +++++++++++---- block/nbd.c | 4 +- block/null.c | 6 +- block/parallels.c | 6 +- block/qcow.c | 2 +- block/qcow2.c | 6 +- block/qed.c | 6 +- block/quorum.c | 4 +- block/raw-format.c | 4 +- block/rbd.c | 6 +- block/snapshot-access.c | 4 +- block/vdi.c | 4 +- block/vmdk.c | 2 +- block/vpc.c | 2 +- block/vvfat.c | 6 +- blockdev.c | 31 +-- tests/unit/test-block-iothread.c | 2 +- tests/qemu-iotests/common.rc | 6 + tests/qemu-iotests/194 | 7 +- tests/qemu-iotests/194.out | 4 +- tests/qemu-iotests/250 | 5 - tests/qemu-iotests/iotests.py | 12 +- tests/qemu-iotests/tests/mirror-sparse | 125 ++++++++++ tests/qemu-iotests/tests/mirror-sparse.out | 365 +++++++++++++++++++++++++++++ 37 files changed, 856 insertions(+), 164 deletions(-) create mode 100755 tests/qemu-iotests/tests/mirror-sparse create mode 100644 tests/qemu-iotests/tests/mirror-sparse.out -- 2.49.0