On Mon, Jun 12, 2023 at 09:33:40PM +0200, Juan Quintela wrote:
Use 'migrate_set_parameter block_incremental true' instead.
Signed-off-by: Juan Quintela <quintela@redhat.com> --- 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``.
This is a HMP command, but the change affects QMP too. I'd suggest ``inc`` functionality can be achieved by setting the ``block-incremental`` migration parameter to ``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.
@inc: incremental disk copy migration. This option is deprecated. Set the 'block-incremetantal' migration parameter to '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'.
# @deprecated: option @inc should be enabled by # setting the 'block-incremental' migration parameter to '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.");
warn_report("-inc migrate option is deprecated, set the" "'block-incremental' migration parameter to 'true' instead."); With regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|