* [pve-devel] [PATCH qemu-server] clone disk: add version guard for qemu-img dd's -l option
@ 2022-04-05 8:22 Fabian Ebner
2022-04-06 15:42 ` [pve-devel] applied: " Thomas Lamprecht
0 siblings, 1 reply; 2+ messages in thread
From: Fabian Ebner @ 2022-04-05 8:22 UTC (permalink / raw)
To: pve-devel
It's only available since QEMU 6.2 and doing a check here rather than
bumping the package dependency allows for easy downgrades.
Suggested-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
---
PVE/QemuServer.pm | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index eb2db42a..d7f4befc 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -7708,7 +7708,12 @@ sub clone_disk {
my $bs = 1024*1024;
my $cmd = ['qemu-img', 'dd', '-n', '-O', $dst_format];
- push $cmd->@*, '-l', $snapname if $src_format eq 'qcow2' && $snapname;
+
+ if ($src_format eq 'qcow2' && $snapname) {
+ die "cannot clone qcow2 EFI disk snapshot - requires QEMU >= 6.2\n"
+ if !min_version(kvm_user_version(), 6, 2);
+ push $cmd->@*, '-l', $snapname;
+ }
push $cmd->@*, "bs=$bs", "osize=$size", "if=$src_path", "of=$dst_path";
run_command($cmd);
} else {
--
2.30.2
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2022-04-05 8:22 [pve-devel] [PATCH qemu-server] clone disk: add version guard for qemu-img dd's -l option Fabian Ebner
2022-04-06 15:42 ` [pve-devel] applied: " Thomas Lamprecht
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