This lock is held during VM startup, so that multiple calls will not
start VMs twice. But this means that the timeout needs to incorporate
the time it might take a VM to boot, so increase it quite a bit.
This could previously lead to "interrupted system call" errors when
accessing backups with many disks.
Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
(cherry picked from commit 66501529a2efbd5a426eba56ff8604db157b7814)
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
ba50f57e93