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migration: Deprecate old compression method

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Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20231018115513.2163-6-quintela@redhat.com>
This commit is contained in:
Juan Quintela 2023-10-18 13:55:13 +02:00
parent 66db46ca83
commit 864128df46
3 changed files with 64 additions and 20 deletions
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13
migration/options.c
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@ -483,6 +483,11 @@ bool migrate_caps_check(bool *old_caps, bool *new_caps, Error **errp)
" use blockdev-mirror with NBD instead");
}
if (new_caps[MIGRATION_CAPABILITY_COMPRESS]) {
warn_report("old compression method is deprecated;"
" use multifd compression methods instead");
}
#ifndef CONFIG_REPLICATION
if (new_caps[MIGRATION_CAPABILITY_X_COLO]) {
error_setg(errp, "QEMU compiled without replication module"
@ -1335,18 +1340,26 @@ static void migrate_params_apply(MigrateSetParameters *params, Error **errp)
/* TODO use QAPI_CLONE() instead of duplicating it inline */
if (params->has_compress_level) {
warn_report("old compression is deprecated;"
" use multifd compression methods instead");
s->parameters.compress_level = params->compress_level;
}
if (params->has_compress_threads) {
warn_report("old compression is deprecated;"
" use multifd compression methods instead");
s->parameters.compress_threads = params->compress_threads;
}
if (params->has_compress_wait_thread) {
warn_report("old compression is deprecated;"
" use multifd compression methods instead");
s->parameters.compress_wait_thread = params->compress_wait_thread;
}
if (params->has_decompress_threads) {
warn_report("old compression is deprecated;"
" use multifd compression methods instead");
s->parameters.decompress_threads = params->decompress_threads;
}