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authorLuiz Capitulino <lcapitulino@redhat.com>2011-11-25 16:15:19 -0200
committerLuiz Capitulino <lcapitulino@redhat.com>2011-12-06 11:40:01 -0200
commit6106e2492fe0080ad85d4862dec9c3bebc57b2f0 (patch)
tree8ebe7e833fdbf1cd3d2caffccbee2cd420fcfa1e /qemu-nbd.texi
parent5e7caacb2583e6a4657fec51a92147f33c5bae43 (diff)
qapi: Convert blockdev_snapshot_sync
Unfortunately, this conversion required an additional change. In the old QMP command, the 'snapshot-file' argument is specified as optional. The idea is to take the snapshot internally if 'snapshot-file' is not passed. However, internal snapshots are not supported yet so the command returns a MissingParamater error if 'snapshot-file' is not passed. Which makes the argument actually required and will cause compatibility breakage if we change that in the future. To fix this the QAPI converted blockdev_snapshot_sync command makes the 'snapshot-file' argument required. Again, in practice it's actually required, so this is not incompatible. If we do implement internal snapshots someday, we'll need a new argument for it. Note that this discussion doesn't affect HMP. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Diffstat (limited to 'qemu-nbd.texi')
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