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nbd/server: Advertise all contexts in response to bare LIST

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The NBD spec, and even our code comment, says that if the client
asks for NBD_OPT_LIST_META_CONTEXT with 0 queries, then we should
reply with (a possibly-compressed representation of) ALL contexts
that we are willing to let them try.  But commit 3d068aff forgot
to advertise qemu:dirty-bitmap:FOO.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20181130023232.3079982-2-eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
This commit is contained in:
Eric Blake 2018-11-29 20:32:30 -06:00
parent 4750e1a888
commit e31d802479
1 changed files with 1 additions and 0 deletions
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nbd/server.c
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@ -978,6 +978,7 @@ static int nbd_negotiate_meta_queries(NBDClient *client,
if (client->opt == NBD_OPT_LIST_META_CONTEXT && !nb_queries) { if (client->opt == NBD_OPT_LIST_META_CONTEXT && !nb_queries) {
/* enable all known contexts */ /* enable all known contexts */
meta->base_allocation = true; meta->base_allocation = true;
meta->bitmap = !!meta->exp->export_bitmap;
} else { } else {
for (i = 0; i < nb_queries; ++i) { for (i = 0; i < nb_queries; ++i) {
ret = nbd_negotiate_meta_query(client, meta, errp); ret = nbd_negotiate_meta_query(client, meta, errp);