Eric Blake <ebl...@redhat.com> wrote: > On 05/17/2017 10:38 AM, Juan Quintela wrote: >> Create one capability for block migration and one parameter for >> incremental block migration. >> >> Signed-off-by: Juan Quintela <quint...@redhat.com> >> >> --- >> >> @@ -1207,6 +1242,26 @@ void qmp_migrate(const char *uri, bool has_blk, bool >> blk, >> return; >> } >> >> + if (((has_blk && blk) || (has_inc && inc)) >> + && (migrate_use_block() || migrate_use_block_incremental())) { >> + error_setg(errp, "Command options are incompatible with current " >> + "migration capabilities"); >> + return; >> + } >> + >> + if ((has_blk && blk) || (has_inc & inc)) { >> + migrate_set_block_enabled(true, &local_err); >> + if (local_err) { >> + error_propagate(errp, local_err); >> + return; >> + } >> + s->must_remove_block_options = true; >> + } > > You wrote: > if (A && B) { > error; > } > if (A) { > stuff; > } > > I might have done: > > if (A) { > if (B) { > error; > } > stuff; > } > > but it's the same either way.
One less line, and as I have to respin due to the last patch. >> +++ b/qapi-schema.json >> @@ -894,11 +894,18 @@ >> # @release-ram: if enabled, qemu will free the migrated ram pages on the >> source >> # during postcopy-ram migration. (since 2.9) >> # >> +# @block: If enabled, QEMU will also migrate the contents of all block >> +# devices. Default is disabled. A possible alternative are > > s/are/uses/ done >> +# mirror jobs to a builtin NBD server on the destination, which >> +# are more flexible. > > s/are more flexible/offers more flexibility/ done >> +# (Since 2.10) >> +# >> # Since: 1.2 >> ## >> { 'enum': 'MigrationCapability', >> 'data': ['xbzrle', 'rdma-pin-all', 'auto-converge', 'zero-blocks', >> - 'compress', 'events', 'postcopy-ram', 'x-colo', 'release-ram'] } >> + 'compress', 'events', 'postcopy-ram', 'x-colo', 'release-ram', >> + 'block' ] } >> > > The grammar touchups can be done in preparing the pull request, if there > is no other reason for a respin. > > Reviewed-by: Eric Blake <ebl...@redhat.com> Thanks, Juan.