[pve-devel] applied: [PATCH qemu-server 1/2] fix #6580: blockdev: commit: re-open target format node as writable if necessary

Thomas Lamprecht t.lamprecht at proxmox.com
Thu Jul 31 14:28:02 CEST 2025


On Thu, 31 Jul 2025 12:48:45 +0200, Fiona Ebner wrote:
> Removing the first snapshot in a snapshot-as-volume-chain is done via
> block-commit for performance reasons, rather than stream, because the
> snapshot volume, being the base, is usually larger than the delta
> since the snapshot.
> 
> When a drive has the 'ro' flag set in the virtual machine
> configuration, all three nodes in the throttle->fmt->file chain are
> opened with the read-only flag set and thus the format node could not
> serve as the target for the stream operation.
> 
> [...]

Applied, thanks!

[1/2] fix #6580: blockdev: commit: re-open target format node as writable if necessary
      commit: f06f3a3c4a637d64bb511b53d7e17e561870c090
[2/2] blockdev: delete: delete format block node first
      commit: 4a0952d985170a85c0bc60b1cd249bebb7e74cc0




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