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[v5,7/7,RFC] migration: Remove helpers needed for -i/-b migrate options

Message ID 20231017115238.18309-8-quintela@redhat.com
State New
Headers show
Series Migration deprecated parts | expand

Commit Message

Juan Quintela Oct. 17, 2023, 11:52 a.m. UTC 
[DON'T MERGE]

We were abusing capabilities and parameters to implement -i/-b.
Previous patch convert that options into one error.  Remove all the
helpers needed to implement them.

Signed-off-by: Juan Quintela <quintela@redhat.com>
---
 migration/migration.h |  4 ----
 migration/options.h   |  6 ------
 migration/migration.c |  2 --
 migration/options.c   | 41 -----------------------------------------
 4 files changed, 53 deletions(-)
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Patch

diff --git a/migration/migration.h b/migration/migration.h
index ae82004892..937a3534c5 100644
--- a/migration/migration.h
+++ b/migration/migration.h
@@ -382,10 +382,6 @@  struct MigrationState {
     /* mutex to protect errp */
     QemuMutex error_mutex;
 
-    /* Do we have to clean up -b/-i from old migrate parameters */
-    /* This feature is deprecated and will be removed */
-    bool must_remove_block_options;
-
     /*
      * Global switch on whether we need to store the global state
      * during migration.
diff --git a/migration/options.h b/migration/options.h
index 237f2d6b4a..e41ea38322 100644
--- a/migration/options.h
+++ b/migration/options.h
@@ -62,7 +62,6 @@  bool migrate_tls(void);
 /* capabilities helpers */
 
 bool migrate_caps_check(bool *old_caps, bool *new_caps, Error **errp);
-bool migrate_cap_set(int cap, bool value, Error **errp);
 
 /* parameters */
 
@@ -93,14 +92,9 @@  const char *migrate_tls_creds(void);
 const char *migrate_tls_hostname(void);
 uint64_t migrate_xbzrle_cache_size(void);
 
-/* parameters setters */
-
-void migrate_set_block_incremental(bool value);
-
 /* parameters helpers */
 
 bool migrate_params_check(MigrationParameters *params, Error **errp);
 void migrate_params_init(MigrationParameters *params);
-void block_cleanup_parameters(void);
 
 #endif
diff --git a/migration/migration.c b/migration/migration.c
index 9a695299ba..9792bd98ca 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1205,7 +1205,6 @@  static void migrate_fd_cleanup(MigrationState *s)
         error_report_err(error_copy(s->error));
     }
     notifier_list_notify(&migration_state_notifiers, s);
-    block_cleanup_parameters();
     yank_unregister_instance(MIGRATION_YANK_INSTANCE);
 }
 
@@ -1715,7 +1714,6 @@  void qmp_migrate(const char *uri, bool has_blk, bool blk,
                    "a valid migration protocol");
         migrate_set_state(&s->state, MIGRATION_STATUS_SETUP,
                           MIGRATION_STATUS_FAILED);
-        block_cleanup_parameters();
     }
 
     if (local_err) {
diff --git a/migration/options.c b/migration/options.c
index 7cb99a82a5..3be7e35f40 100644
--- a/migration/options.c
+++ b/migration/options.c
@@ -631,26 +631,6 @@  bool migrate_caps_check(bool *old_caps, bool *new_caps, Error **errp)
     return true;
 }
 
-bool migrate_cap_set(int cap, bool value, Error **errp)
-{
-    MigrationState *s = migrate_get_current();
-    bool new_caps[MIGRATION_CAPABILITY__MAX];
-
-    if (migration_is_running(s->state)) {
-        error_setg(errp, QERR_MIGRATION_ACTIVE);
-        return false;
-    }
-
-    memcpy(new_caps, s->capabilities, sizeof(new_caps));
-    new_caps[cap] = value;
-
-    if (!migrate_caps_check(s->capabilities, new_caps, errp)) {
-        return false;
-    }
-    s->capabilities[cap] = value;
-    return true;
-}
-
 MigrationCapabilityStatusList *qmp_query_migrate_capabilities(Error **errp)
 {
     MigrationCapabilityStatusList *head = NULL, **tail = &head;
@@ -877,29 +857,8 @@  uint64_t migrate_xbzrle_cache_size(void)
     return s->parameters.xbzrle_cache_size;
 }
 
-/* parameter setters */
-
-void migrate_set_block_incremental(bool value)
-{
-    MigrationState *s = migrate_get_current();
-
-    s->parameters.block_incremental = value;
-}
-
 /* 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);
-        migrate_set_block_incremental(false);
-        s->must_remove_block_options = false;
-    }
-}
-
 AnnounceParameters *migrate_announce_params(void)
 {
     static AnnounceParameters ap;