Re: [PATCH v5 3/7] migration: migrate 'blk' command option is deprecated.

Use blocked-mirror with NBD instead. Signed-off-by: Juan Quintela <quintela(a)redhat.com&gt; Acked-by: Stefan Hajnoczi <stefanha(a)redhat.com&gt; Reviewed-by: Thomas Huth <thuth(a)redhat.com&gt; --- Improve documentation and style (markus) --- docs/about/deprecated.rst | 10 ++++++++++ qapi/migration.json | 6 ++++-- migration/migration-hmp-cmds.c | 5 +++++ migration/migration.c | 5 +++++ 4 files changed, 24 insertions(+), 2 deletions(-) diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index fc6adf1dea..0149f040b6 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -469,3 +469,13 @@ Use blockdev-mirror with NBD instead. As an intermediate step the ``inc`` functionality can be achieved by setting the ``block-incremental`` migration parameter to ``true``. But this parameter is also deprecated. + +``blk`` migrate command option (since 8.2) +'''''''''''''''''''''''''''''''''''''''''' + +Use blockdev-mirror with NBD instead. + +As an intermediate step the ``blk`` functionality can be achieved by +setting the ``block`` migration capability to ``true``. +But this capability is also deprecated. + diff --git a/qapi/migration.json b/qapi/migration.json index fa7f4f2575..59a07b50f0 100644 --- a/qapi/migration.json +++ b/qapi/migration.json @@ -1527,7 +1527,8 @@ # Features: # # @deprecated: Member @inc is deprecated. Use blockdev-mirror with -# NBD instead. +# NBD instead. Member @blk is deprecated. Use blockdev-mirror +# with NBD instead.

# # Returns: nothing on success # @@ -1550,7 +1551,8 @@ # <- { "return": {} } ## { 'command': 'migrate', - 'data': {'uri': 'str', '*blk': 'bool', + 'data': {'uri': 'str', + '*blk': { 'type': 'bool', 'features': [ 'deprecated' ] }, '*inc': { 'type': 'bool', 'features': [ 'deprecated' ] }, '*detach': 'bool', '*resume': 'bool' } } diff --git a/migration/migration-hmp-cmds.c b/migration/migration-hmp-cmds.c index fee7079afa..bfeb1a476a 100644 --- a/migration/migration-hmp-cmds.c +++ b/migration/migration-hmp-cmds.c @@ -750,6 +750,11 @@ void hmp_migrate(Monitor *mon, const QDict *qdict) " instead."); } + if (blk) { + warn_report("option '-b' is deprecated. Use 'blockdev-mirror + NBD'" + " instead.");

+ } + qmp_migrate(uri, !!blk, blk, !!inc, inc, false, false, true, resume, &err); if (hmp_handle_error(mon, err)) { diff --git a/migration/migration.c b/migration/migration.c index b8b3ba58df..4da7fcfe0f 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1608,6 +1608,11 @@ static bool migrate_prepare(MigrationState *s, bool blk, bool blk_inc, " NBD instead"); } + if (blk) { + warn_report("capability 'blk is deprecated. Use blockdev-mirror with" + " NBD instead"); + }

+ if (resume) { if (s->state != MIGRATION_STATUS_POSTCOPY_PAUSED) { error_setg(errp, "Cannot resume if there is no "