[RFC 2/6] migration: migrate 'inc' command option is deprecated.

Use 'migrate_set_parameter block_incremental true' instead. Signed-off-by: Juan Quintela <quintela(a)redhat.com&gt; --- docs/about/deprecated.rst | 7 +++++++ qapi/migration.json | 11 +++++++++-- migration/migration.c | 5 +++++ 3 files changed, 21 insertions(+), 2 deletions(-) diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index e1aa0eafc8..c75a3a8f5a 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -433,3 +433,10 @@ Migration ``skipped`` field in Migration stats has been deprecated. It hasn't been used for more than 10 years. +``inc`` migrate command option (since 8.1) +'''''''''''''''''''''''''''''''''''''''''' + +The new way to modify migration is using migration parameters. +``inc`` functionality can be acchieved using +``migrate_set_parameter block-incremental true``. + diff --git a/qapi/migration.json b/qapi/migration.json index bcae193733..4ee28df6da 100644 --- a/qapi/migration.json +++ b/qapi/migration.json @@ -1424,13 +1424,19 @@ # # @blk: do block migration (full disk copy) # -# @inc: incremental disk copy migration +# @inc: incremental disk copy migration. This option is deprecated. +# Use 'migrate_set_parameter block-incremetantal true' instead. # # @detach: this argument exists only for compatibility reasons and is # ignored by QEMU # # @resume: resume one paused migration, default "off". (since 3.0) # +# Features: +# +# @deprecated: option @inc is better set with +# 'migrate_set_parameter block-incremental true'. +# # Returns: nothing on success # # Since: 0.14 @@ -1452,7 +1458,8 @@ # <- { "return": {} } ## { 'command': 'migrate', - 'data': {'uri': 'str', '*blk': 'bool', '*inc': 'bool', + 'data': {'uri': 'str', '*blk': 'bool', + '*inc': { 'type': 'bool', 'features': ['deprecated'] }, '*detach': 'bool', '*resume': 'bool' } } ## diff --git a/migration/migration.c b/migration/migration.c index dc05c6f6ea..7ebce7c7bf 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1544,6 +1544,11 @@ static bool migrate_prepare(MigrationState *s, bool blk, bool blk_inc, { Error *local_err = NULL; + if (blk_inc) { + warn_report("-inc migrate option is deprecated, use" + "'migrate_set_parameter block-incremental true' instead."); + } + if (resume) { if (s->state != MIGRATION_STATUS_POSTCOPY_PAUSED) { error_setg(errp, "Cannot resume if there is no " -- 2.40.1