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| author | Eric Blake <eblake@redhat.com> | 2019-08-23 09:37:25 -0500 |
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| committer | Eric Blake <eblake@redhat.com> | 2019-09-05 16:04:53 -0500 |
| commit | b491dbb7f8e09ef864770c205a3b5bce6c5c1881 (patch) | |
| tree | 8d9bdb3c13e3e7849c739a2faec6490f522394cb /util/async.c | |
| parent | f061656cc355161f9984237298c45762ce5187d3 (diff) | |
| download | focaccia-qemu-b491dbb7f8e09ef864770c205a3b5bce6c5c1881.tar.gz focaccia-qemu-b491dbb7f8e09ef864770c205a3b5bce6c5c1881.zip | |
nbd: Implement server use of NBD FAST_ZERO
The server side is fairly straightforward: we can always advertise support for detection of fast zero, and implement it by mapping the request to the block layer BDRV_REQ_NO_FALLBACK. Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <20190823143726.27062-5-eblake@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> [eblake: update iotests 223, 233]
Diffstat (limited to 'util/async.c')
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