Re: [PATCH v4 7/7] nbd: Allow export of multiple bitmaps for one device

2020-10-15 Thread Eric Blake
On 10/14/20 9:42 AM, Vladimir Sementsov-Ogievskiy wrote: 10.10.2020 00:55, Eric Blake wrote: With this, 'qemu-nbd -B b0 -B b1 -f qcow2 img.qcow2' can let you sniff out multiple bitmaps from one server.  qemu-img as client can still only read one bitmap per client connection, but other NBD client

Re: [PATCH v4 7/7] nbd: Allow export of multiple bitmaps for one device

2020-10-14 Thread Vladimir Sementsov-Ogievskiy
10.10.2020 00:55, Eric Blake wrote: With this, 'qemu-nbd -B b0 -B b1 -f qcow2 img.qcow2' can let you sniff out multiple bitmaps from one server. qemu-img as client can still only read one bitmap per client connection, but other NBD clients (hello libnbd) can now read multiple bitmaps in a single

[PATCH v4 7/7] nbd: Allow export of multiple bitmaps for one device

2020-10-09 Thread Eric Blake
With this, 'qemu-nbd -B b0 -B b1 -f qcow2 img.qcow2' can let you sniff out multiple bitmaps from one server. qemu-img as client can still only read one bitmap per client connection, but other NBD clients (hello libnbd) can now read multiple bitmaps in a single pass. Signed-off-by: Eric Blake ---