[pve-devel] [PATCH FOLLOW-UP storage/qemu-server] external qcow2 snapshot support

[pve-devel] [PATCH FOLLOW-UP storage/qemu-server] external qcow2 snapshot support

[Alexandre Derumier via pve-devel]

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From: Alexandre Derumier <alexandre.derumier@groupe-cyllene.com>
To: pve-devel@lists.proxmox.com
Subject: [PATCH FOLLOW-UP storage/qemu-server] external qcow2 snapshot support
Date: Wed, 16 Jul 2025 08:31:35 +0200
Message-ID: <20250716063153.1647681-1-alexandre.derumier@groupe-cyllene.com>

follow-up patch serie v8
https://lore.proxmox.com/all/39a3339c-d22b-4ec1-b16a-61e5eb91fd53@proxmox.com/T/

Fix Fabian && Wolfgang requests
Major change is the removal $running for volume_snapshot  (Thanks Wolgang for the ideas!)

Still need to rework volume_support_qemu_snapshot, I'll not have time to do it before holiday,
so if somebody can help on this, it could be great :)


pve-storage:

Alexandre Derumier (11):
  lvm snapshot: activate volume
  common: fix qemu_img_resize
  plugin: volume_export: don't allow export of external snapshots
  lvmplugin: alloc_snap_image: die if file_size_info return empty size
  lvmplugin: snapshot: use relative path for backing image
  plugin|lvmplugin: don't allow volume rename if external snapshots
    exist.
  lvmplugin: add volume_snapshot_info
  plugin: lvmplugin: add parse_snap_name
  plugin : improve parse_namedir warning
  lvmplugin: add external-snapshots option && forbid creation of qcow2
    volumes without it
  storage: remove $running param from volume_snapshot

Fabian Grünbichler (3):
  helpers: make qemu_img* storage config independent
  helpers: move qemu_img* to Common module
  rename_snapshot: fix parameter checks

 ApiChangeLog                         |   4 -
 src/PVE/Storage.pm                   |   7 +-
 src/PVE/Storage/Common.pm            | 147 ++++++++++++++--
 src/PVE/Storage/ESXiPlugin.pm        |   2 +-
 src/PVE/Storage/ISCSIDirectPlugin.pm |   2 +-
 src/PVE/Storage/LVMPlugin.pm         | 115 +++++++++----
 src/PVE/Storage/LvmThinPlugin.pm     |   2 +-
 src/PVE/Storage/PBSPlugin.pm         |   2 +-
 src/PVE/Storage/Plugin.pm            | 239 ++++++++-------------------
 src/PVE/Storage/RBDPlugin.pm         |   2 +-
 src/PVE/Storage/ZFSPoolPlugin.pm     |   2 +-
 11 files changed, 295 insertions(+), 229 deletions(-)


qemu-server:

Alexandre Derumier (4):
  api2: move_disk: use parse_volname to find old volume format
  blockdev_rename: remove old left-over rename()
  generate_backing_blockdev: use current_sub for private recursive
  blockdev_external_snapshot: rework to avoid $running param

 src/PVE/API2/Qemu.pm           |  5 +----
 src/PVE/QemuServer.pm          | 38 ++++++----------------------------
 src/PVE/QemuServer/Blockdev.pm | 35 ++++++++++++++++++-------------
 3 files changed, 28 insertions(+), 50 deletions(-)

-- 
2.39.5



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