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migration: Remove 'blk/-b' option from migrate commands

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The block migration is considered obsolete and has been deprecated in
8.2. Remove the migrate command option that enables it. This only
affects the QMP and HMP commands, the feature can still be accessed by
setting the migration 'block' capability. The whole feature will be
removed in a future patch.

Deprecation commit 8846b5bfca ("migration: migrate 'blk' command
option is deprecated.").

Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
This commit is contained in:
Fabiano Rosas 2024-04-30 11:27:34 -03:00
parent 61c4e39f73
commit 18d154f575
13 changed files with 25 additions and 300 deletions
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14
migration/options.c
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@ -486,8 +486,7 @@ bool migrate_caps_check(bool *old_caps, bool *new_caps, Error **errp)
#ifndef CONFIG_LIVE_BLOCK_MIGRATION
if (new_caps[MIGRATION_CAPABILITY_BLOCK]) {
error_setg(errp, "QEMU compiled without old-style (blk/-b) "
"block migration");
error_setg(errp, "QEMU compiled without old-style block migration");
error_append_hint(errp, "Use blockdev-mirror with NBD instead.\n");
return false;
}
@ -943,17 +942,6 @@ ZeroPageDetection migrate_zero_page_detection(void)
/* parameters helpers */
void block_cleanup_parameters(void)
{
MigrationState *s = migrate_get_current();
if (s->must_remove_block_options) {
/* setting to false can never fail */
migrate_cap_set(MIGRATION_CAPABILITY_BLOCK, false, &error_abort);
s->must_remove_block_options = false;
}
}
AnnounceParameters *migrate_announce_params(void)
{
static AnnounceParameters ap;