Re: [Qemu-block] [PATCH 1/2] block: Open backing image in force share mode for size probe

Am 15.12.2017 um 09:04 hat Fam Zheng geschrieben: > Management tools create overlays of running guests with qemu-img: > > $ qemu-img create -b /image/in/use.qcow2 -f qcow2 /overlay/image.qcow2 > > but this doesn't work anymore due to image locking: > > qemu-img: /overlay/image.qcow2: Faile

[Qemu-block] [PATCH 1/2] block: Open backing image in force share mode for size probe

Management tools create overlays of running guests with qemu-img: $ qemu-img create -b /image/in/use.qcow2 -f qcow2 /overlay/image.qcow2 but this doesn't work anymore due to image locking: qemu-img: /overlay/image.qcow2: Failed to get shared "write" lock Is another process using the im