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由 Eric Blake 提交于
The NBD spec says that behavior is unspecified if the client requests 0 length for block status; but since the structured reply is documenting as returning a non-zero length, it's easier to just diagnose this with an EINVAL error than to figure out what to return. CC: qemu-stable@nongnu.org Signed-off-by: NEric Blake <eblake@redhat.com> Message-Id: <20180621124937.166549-1-eblake@redhat.com> Reviewed-by: NVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
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