Re: [PATCH v6 2/5] migration: migrate 'inc' command option is deprecated.

2023-10-18 Thread Juan Quintela
Markus Armbruster  wrote:
> Juan Quintela  writes:
>
>> Use blockdev-mirror with NBD instead.
>>
>> Reviewed-by: Thomas Huth 
>> Acked-by: Stefan Hajnoczi 
>> Reviewed-by: Markus Armbruster 
>> Signed-off-by: Juan Quintela 
>> ---
>>  docs/about/deprecated.rst  | 9 +
>>  qapi/migration.json| 8 +++-
>>  migration/migration-hmp-cmds.c | 5 +
>>  migration/migration.c  | 5 +
>>  4 files changed, 26 insertions(+), 1 deletion(-)
>>
>> diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst
>> index 2febd2d12f..b51136f50a 100644
>> --- a/docs/about/deprecated.rst
>> +++ b/docs/about/deprecated.rst
>> @@ -461,3 +461,12 @@ Migration
>>  ``skipped`` field in Migration stats has been deprecated.  It hasn't
>>  been used for more than 10 years.
>>  
>> +``inc`` migrate command option (since 8.2)
>> +''
>> +
>> +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.
>> +
>
> If you need to respin for some other reason, drop the blank line at end
> of file.  Same in later patches.
>
> [...]

Done.

There is a tool, git-am maybe, that complains if files don't end in a
blank line.

You can't have happy everybody.

Later, Juan.




Re: [PATCH v6 2/5] migration: migrate 'inc' command option is deprecated.

2023-10-18 Thread Markus Armbruster
Juan Quintela  writes:

> Use blockdev-mirror with NBD instead.
>
> Reviewed-by: Thomas Huth 
> Acked-by: Stefan Hajnoczi 
> Reviewed-by: Markus Armbruster 
> Signed-off-by: Juan Quintela 
> ---
>  docs/about/deprecated.rst  | 9 +
>  qapi/migration.json| 8 +++-
>  migration/migration-hmp-cmds.c | 5 +
>  migration/migration.c  | 5 +
>  4 files changed, 26 insertions(+), 1 deletion(-)
>
> diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst
> index 2febd2d12f..b51136f50a 100644
> --- a/docs/about/deprecated.rst
> +++ b/docs/about/deprecated.rst
> @@ -461,3 +461,12 @@ Migration
>  ``skipped`` field in Migration stats has been deprecated.  It hasn't
>  been used for more than 10 years.
>  
> +``inc`` migrate command option (since 8.2)
> +''
> +
> +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.
> +

If you need to respin for some other reason, drop the blank line at end
of file.  Same in later patches.

[...]




[PATCH v6 2/5] migration: migrate 'inc' command option is deprecated.

2023-10-17 Thread Juan Quintela
Use blockdev-mirror with NBD instead.

Reviewed-by: Thomas Huth 
Acked-by: Stefan Hajnoczi 
Reviewed-by: Markus Armbruster 
Signed-off-by: Juan Quintela 
---
 docs/about/deprecated.rst  | 9 +
 qapi/migration.json| 8 +++-
 migration/migration-hmp-cmds.c | 5 +
 migration/migration.c  | 5 +
 4 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst
index 2febd2d12f..b51136f50a 100644
--- a/docs/about/deprecated.rst
+++ b/docs/about/deprecated.rst
@@ -461,3 +461,12 @@ Migration
 ``skipped`` field in Migration stats has been deprecated.  It hasn't
 been used for more than 10 years.
 
+``inc`` migrate command option (since 8.2)
+''
+
+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.
+
diff --git a/qapi/migration.json b/qapi/migration.json
index db3df12d6c..fa7f4f2575 100644
--- a/qapi/migration.json
+++ b/qapi/migration.json
@@ -1524,6 +1524,11 @@
 #
 # @resume: resume one paused migration, default "off". (since 3.0)
 #
+# Features:
+#
+# @deprecated: Member @inc is deprecated.  Use blockdev-mirror with
+# NBD instead.
+#
 # Returns: nothing on success
 #
 # Since: 0.14
@@ -1545,7 +1550,8 @@
 # <- { "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-hmp-cmds.c b/migration/migration-hmp-cmds.c
index a82597f18e..83176f5bae 100644
--- a/migration/migration-hmp-cmds.c
+++ b/migration/migration-hmp-cmds.c
@@ -745,6 +745,11 @@ void hmp_migrate(Monitor *mon, const QDict *qdict)
 const char *uri = qdict_get_str(qdict, "uri");
 Error *err = NULL;
 
+if (inc) {
+warn_report("option '-i' is deprecated;"
+" use blockdev-mirror with NBD instead");
+}
+
 qmp_migrate(uri, !!blk, blk, !!inc, inc,
 false, false, true, resume, );
 if (hmp_handle_error(mon, err)) {
diff --git a/migration/migration.c b/migration/migration.c
index 6ba5e145ac..e54baf9102 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1603,6 +1603,11 @@ static bool migrate_prepare(MigrationState *s, bool blk, 
bool blk_inc,
 {
 Error *local_err = NULL;
 
+if (blk_inc) {
+warn_report("parameter 'inc' 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 "
-- 
2.41.0