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Date: Tue, 24 Oct 2023 15:13:02 +0200 Message-ID: <20231024131305.87468-37-quintela@redhat.com> In-Reply-To: <20231024131305.87468-1-quintela@redhat.com> References: <20231024131305.87468-1-quintela@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.7 X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Fam Zheng , Peter Maydell , Corey Minyard , libvir-list@redhat.com, Jason Wang , Mark Cave-Ayland , Li Zhijian , Peter Xu , Gerd Hoffmann , Eric Blake , Fabiano Rosas , qemu-block@nongnu.org, Juan Quintela , Daniel Henrique Barboza , Markus Armbruster , Halil Pasic , Marcel Apfelbaum , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Christian Borntraeger , Thomas Huth , Corey Minyard , Harsh Prateek Bora , Stefan Weil , Richard Henderson , Nicholas Piggin , qemu-s390x@nongnu.org, qemu-arm@nongnu.org, =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Stefan Hajnoczi , Samuel Thibault , David Hildenbrand , John Snow , David Gibson , Kevin Wolf , "Michael S. Tsirkin" , Ilya Leoshkevich , Hanna Reitz , Leonardo Bras , qemu-ppc@nongnu.org Errors-To: libvir-list-bounces@redhat.com Sender: "libvir-list" X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.4 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1698153487110100001 Content-Type: text/plain; charset="utf-8"; x-default="true" Use blockdev-mirror with NBD instead. Reviewed-by: Thomas Huth Acked-by: Stefan Hajnoczi Reviewed-by: Markus Armbruster Signed-off-by: Juan Quintela Message-ID: <20231018115513.2163-3-quintela@redhat.com> --- docs/about/deprecated.rst | 8 ++++++++ qapi/migration.json | 8 +++++++- migration/migration-hmp-cmds.c | 5 +++++ migration/migration.c | 5 +++++ 4 files changed, 25 insertions(+), 1 deletion(-) diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index 2febd2d12f..fc6adf1dea 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -461,3 +461,11 @@ Migration ``skipped`` field in Migration stats has been deprecated. It hasn't been used for more than 10 years. =20 +``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' } } =20 ## 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 =3D qdict_get_str(qdict, "uri"); Error *err =3D NULL; =20 + 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, &err); if (hmp_handle_error(mon, err)) { diff --git a/migration/migration.c b/migration/migration.c index 67547eb6a1..06a706ad90 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1620,6 +1620,11 @@ static bool migrate_prepare(MigrationState *s, bool = blk, bool blk_inc, { Error *local_err =3D NULL; =20 + if (blk_inc) { + warn_report("parameter 'inc' is deprecated;" + " use blockdev-mirror with NBD instead"); + } + if (resume) { if (s->state !=3D MIGRATION_STATUS_POSTCOPY_PAUSED) { error_setg(errp, "Cannot resume if there is no " --=20 2.41.0