On 07/24/2017 07:05 AM, Eric Blake wrote: > On 07/21/2017 01:32 PM, Eric Blake wrote: >> Series 2-4 of my byte-based conversion missed soft freeze, so they >> are now 2.11 material. However, there are some bug fixes in those >> series that we should fix now in 2.10 (patch 1 from series two >> on dirty bitmaps, patch 2 extracted from "qcow2: Switch qcow2_measure() >> to byte-based iteration" from series three on block status). >> >> I don't know if it is worth enhancing iotest 178 to probe the size >> of a 2T image. The test is simple, and fast when patched: >> >> $ qemu-img create -f qcow2 -o cluster_size=2M huge 2T >> $ time ./qemu-img measure -O qcow2 -f qcow2 huge >> required size: 335806464 >> fully allocated size: 2199359062016 >> >> real 0m0.021s >> user 0m0.017s >> sys 0m0.004s >> >> but the inf-loop when unpatched is annoying; meanwhile, 'huge' only >> occupies 6 megabytes on disk, so it's not that invasive. >> >> Eric Blake (2): >> dirty-bitmap: Report BlockDirtyInfo.count in bytes, as documented >> qcow2: Fix sector calculation in qcow2_measure() > > Thanks; queued on my NBD branch: > git://repo.or.cz/qemu/ericb.git nbd
Sorry, replied to the wrong thread. -- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3266 Virtualization: qemu.org | libvirt.org
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