[PATCH qemu-server v2 8/8] pbs-restore: set restore bandwidth limit for volumes

[Christian Ebner <c.ebner@proxmox.com>]

If configured, pass the optional bandwidth limit parameter to
pbs-restore. Since configured values are provided in multiples
of 1k, extend the value by this scale. By using the chunk stream
output limit imposed by `rate-limit` rather than download bandwidth
limit imposed by `bw-limit`, the restore is limited by output stream
thereby taking decompression and zero chunks into account.

Bumps runtime dependency on pve-qemu in order to assure the flags
are available.

Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
---
 debian/control        | 2 +-
 src/PVE/QemuServer.pm | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/debian/control b/debian/control
index c236b690..74ccd663 100644
--- a/debian/control
+++ b/debian/control
@@ -61,7 +61,7 @@ Depends: conntrack,
          pve-edk2-firmware-ovmf (>= 4.2025.05-2) [amd64],
          pve-firewall (>= 6.0.3),
          pve-ha-manager (>= 5.0.3),
-         pve-qemu-kvm (>= 11.0.3-3),
+         pve-qemu-kvm (>= 11.0.3-4),
          python3-virt-firmware,
          socat,
          swtpm,
diff --git a/src/PVE/QemuServer.pm b/src/PVE/QemuServer.pm
index 759f7db2..2da05f56 100644
--- a/src/PVE/QemuServer.pm
+++ b/src/PVE/QemuServer.pm
@@ -7036,6 +7036,9 @@ sub restore_proxmox_backup_archive {
 
             push @$pbs_restore_cmd, '--format', $d->{format} if $d->{format};
             push @$pbs_restore_cmd, '--keyfile', $keyfile if -e $keyfile;
+            if (defined($options->{bwlimit})) {
+                push @$pbs_restore_cmd, '--rate-limit', "$options->{bwlimit}KiB";
+            }
 
             if (PVE::Storage::volume_has_feature($storecfg, 'sparseinit', $volid)) {
                 push @$pbs_restore_cmd, '--skip-zero';
-- 
2.47.3