Re: [pve-devel] [PATCH-SERIES qemu-server 0/6] blockdev and snapshot-as-volume-chain on LVM fixes

["Fabian Grünbichler" <f.gruenbichler@proxmox.com>]

except for some questions on the last patch, consider this series

Reviewed-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>

and that last patch Acked-by in principle as well, with those questions
addressed

On July 24, 2025 3:59 pm, Fiona Ebner wrote:
> First part is fixing discard in combination with -blockdev. The option
> needs to be set for the whole throttle->fmt->file chain to make it
> work.
> 
> Second part is fixing bug #6543, qcow2 can grow beyond what qemu-img
> measure reports, because of fragmentation when the discard-no-unref
> option is not used.
> 
> There is a fix-6543 branch on my staff repo, should the patches
> touching tests be messed up again because of the overly long line in
> the expected test output.
> 
> 
> Fiona Ebner (6):
>   blockdev: helper to add common options
>   blockdev: fix discard
>   tests: image convert: avoid hard-coded VM ID in result
>   tests: image convert: properly set snapshot-as-volume-chain option
>   tests: image convert: add tests where storages with
>     'snapshot-as-volume-chain' are the target
>   fix #6543: use qcow2 'discard-no-unref' option when using
>     snapshot-as-volume-chain
> 
>  src/PVE/QemuServer/Blockdev.pm                | 36 +++++++++----
>  src/PVE/QemuServer/QemuImage.pm               | 19 +++++++
>  src/test/cfg2cmd/aio.conf.cmd                 | 28 +++++-----
>  src/test/cfg2cmd/bootorder-empty.conf.cmd     |  6 +--
>  src/test/cfg2cmd/bootorder-legacy.conf.cmd    |  6 +--
>  src/test/cfg2cmd/bootorder.conf.cmd           |  6 +--
>  ...putype-icelake-client-deprecation.conf.cmd |  2 +-
>  .../cfg2cmd/efi-ovmf-without-efidisk.conf.cmd |  2 +-
>  src/test/cfg2cmd/efi-raw-template.conf.cmd    |  2 +-
>  src/test/cfg2cmd/efi-raw.conf.cmd             |  2 +-
>  .../cfg2cmd/efi-secboot-and-tpm-q35.conf.cmd  |  2 +-
>  src/test/cfg2cmd/efi-secboot-and-tpm.conf.cmd |  2 +-
>  src/test/cfg2cmd/efidisk-on-rbd.conf.cmd      |  2 +-
>  src/test/cfg2cmd/ide.conf.cmd                 |  2 +-
>  src/test/cfg2cmd/q35-ide.conf.cmd             |  2 +-
>  .../q35-linux-hostpci-mapping.conf.cmd        |  2 +-
>  .../q35-linux-hostpci-multifunction.conf.cmd  |  2 +-
>  .../q35-linux-hostpci-template.conf.cmd       |  4 +-
>  ...q35-linux-hostpci-x-pci-overrides.conf.cmd |  2 +-
>  src/test/cfg2cmd/q35-linux-hostpci.conf.cmd   |  2 +-
>  src/test/cfg2cmd/q35-simple.conf.cmd          |  2 +-
>  src/test/cfg2cmd/seabios_serial.conf.cmd      |  2 +-
>  src/test/cfg2cmd/sev-es.conf.cmd              |  2 +-
>  src/test/cfg2cmd/sev-std.conf.cmd             |  2 +-
>  src/test/cfg2cmd/simple-backingchain.conf.cmd |  4 +-
>  src/test/cfg2cmd/simple-btrfs.conf.cmd        |  8 +--
>  src/test/cfg2cmd/simple-cifs.conf.cmd         |  8 +--
>  .../cfg2cmd/simple-disk-passthrough.conf.cmd  |  4 +-
>  src/test/cfg2cmd/simple-lvm.conf.cmd          |  8 +--
>  src/test/cfg2cmd/simple-lvmthin.conf.cmd      |  8 +--
>  src/test/cfg2cmd/simple-rbd.conf.cmd          | 16 +++---
>  src/test/cfg2cmd/simple-virtio-blk.conf.cmd   |  2 +-
>  .../cfg2cmd/simple-zfs-over-iscsi.conf.cmd    |  8 +--
>  src/test/cfg2cmd/simple1-template.conf.cmd    |  4 +-
>  src/test/cfg2cmd/simple1.conf.cmd             |  2 +-
>  src/test/run_qemu_img_convert_tests.pl        | 54 ++++++++++++++++++-
>  36 files changed, 176 insertions(+), 89 deletions(-)
> 
> -- 
> 2.47.2
> 
> 
> 
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> 
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