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[PULL 22/38] migration: migrate 'inc' command option is deprecated.
From: |
Juan Quintela |
Subject: |
[PULL 22/38] migration: migrate 'inc' command option is deprecated. |
Date: |
Tue, 31 Oct 2023 10:01:26 +0100 |
Use blockdev-mirror with NBD instead.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
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 4e0eb2fe02..1c8c8c34c4 100644
--- a/docs/about/deprecated.rst
+++ b/docs/about/deprecated.rst
@@ -469,3 +469,11 @@ 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, &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 = 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
- [PULL 16/38] migration: Merge flush_compressed_data() and compress_flush_data(), (continued)
- [PULL 16/38] migration: Merge flush_compressed_data() and compress_flush_data(), Juan Quintela, 2023/10/31
- [PULL 11/38] migration: Simplify compress_page_with_multithread(), Juan Quintela, 2023/10/31
- [PULL 17/38] migration: Rename ram_compressed_pages() to compress_ram_pages(), Juan Quintela, 2023/10/31
- [PULL 18/38] migration/ram: Fix compilation with -Wshadow=local, Juan Quintela, 2023/10/31
- [PULL 13/38] migration: Create compress_update_rates(), Juan Quintela, 2023/10/31
- [PULL 20/38] migration: set file error on subsection loading, Juan Quintela, 2023/10/31
- [PULL 19/38] migration: rename vmstate_save_needed->vmstate_section_needed, Juan Quintela, 2023/10/31
- [PULL 21/38] qemu-iotests: Filter warnings about block migration being deprecated, Juan Quintela, 2023/10/31
- [PULL 23/38] migration: migrate 'blk' command option is deprecated., Juan Quintela, 2023/10/31
- [PULL 26/38] migration: Stop migration immediately in RDMA error paths, Juan Quintela, 2023/10/31
- [PULL 22/38] migration: migrate 'inc' command option is deprecated.,
Juan Quintela <=
- [PULL 29/38] qemu_file: total_transferred is not used anymore, Juan Quintela, 2023/10/31
- [PULL 24/38] migration: Deprecate block migration, Juan Quintela, 2023/10/31
- [PULL 27/38] qemu-file: Don't increment qemu_file_transferred at qemu_file_fill_buffer, Juan Quintela, 2023/10/31
- [PULL 33/38] migration: migration_transferred_bytes() don't need the QEMUFile, Juan Quintela, 2023/10/31
- [PULL 32/38] qemu-file: Remove _noflush from qemu_file_transferred_noflush(), Juan Quintela, 2023/10/31
- [PULL 30/38] migration: Use the number of transferred bytes directly, Juan Quintela, 2023/10/31
- [PULL 25/38] migration: Deprecate old compression method, Juan Quintela, 2023/10/31
- [PULL 28/38] qemu_file: Use a stat64 for qemu_file_transferred, Juan Quintela, 2023/10/31
- [PULL 34/38] migration: migration_rate_limit_reset() don't need the QEMUFile, Juan Quintela, 2023/10/31
- [PULL 31/38] qemu_file: Remove unused qemu_file_transferred(), Juan Quintela, 2023/10/31