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Tsirkin" , qemu-block@nongnu.org, Juan Quintela , Fabiano Rosas Subject: [PULL 04/30] migration: Create migrate_cap_set() Date: Mon, 24 Apr 2023 15:27:04 +0200 Message-Id: <20230424132730.70752-5-quintela@redhat.com> In-Reply-To: <20230424132730.70752-1-quintela@redhat.com> References: <20230424132730.70752-1-quintela@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.7 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=quintela@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -22 X-Spam_score: -2.3 X-Spam_bar: -- X-Spam_report: (-2.3 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.171, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1682343627848100008 Content-Type: text/plain; charset="utf-8" And remove the convoluted use of qmp_migrate_set_capabilities() to enable disable MIGRATION_CAPABILITY_BLOCK. Signed-off-by: Juan Quintela Reviewed-by: Fabiano Rosas --- migration/migration.c | 34 ++++++++++++++++------------------ 1 file changed, 16 insertions(+), 18 deletions(-) diff --git a/migration/migration.c b/migration/migration.c index 80bc83f971..e667424513 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1912,25 +1912,24 @@ void migrate_set_state(int *state, int old_state, i= nt new_state) } } =20 -static MigrationCapabilityStatus *migrate_cap_add(MigrationCapability inde= x, - bool state) +static bool migrate_cap_set(int cap, bool value, Error **errp) { - MigrationCapabilityStatus *cap; + MigrationState *s =3D migrate_get_current(); + bool new_caps[MIGRATION_CAPABILITY__MAX]; =20 - cap =3D g_new0(MigrationCapabilityStatus, 1); - cap->capability =3D index; - cap->state =3D state; + if (migration_is_running(s->state)) { + error_setg(errp, QERR_MIGRATION_ACTIVE); + return false; + } =20 - return cap; -} + memcpy(new_caps, s->capabilities, sizeof(new_caps)); + new_caps[cap] =3D value; =20 -void migrate_set_block_enabled(bool value, Error **errp) -{ - MigrationCapabilityStatusList *cap =3D NULL; - - QAPI_LIST_PREPEND(cap, migrate_cap_add(MIGRATION_CAPABILITY_BLOCK, val= ue)); - qmp_migrate_set_capabilities(cap, errp); - qapi_free_MigrationCapabilityStatusList(cap); + if (!migrate_caps_check(s->capabilities, new_caps, errp)) { + return false; + } + s->capabilities[cap] =3D value; + return true; } =20 static void migrate_set_block_incremental(MigrationState *s, bool value) @@ -1942,7 +1941,7 @@ static void block_cleanup_parameters(MigrationState *= s) { if (s->must_remove_block_options) { /* setting to false can never fail */ - migrate_set_block_enabled(false, &error_abort); + migrate_cap_set(MIGRATION_CAPABILITY_BLOCK, false, &error_abort); migrate_set_block_incremental(s, false); s->must_remove_block_options =3D false; } @@ -2429,8 +2428,7 @@ static bool migrate_prepare(MigrationState *s, bool b= lk, bool blk_inc, "current migration capabilities"); return false; } - migrate_set_block_enabled(true, &local_err); - if (local_err) { + if (!migrate_cap_set(MIGRATION_CAPABILITY_BLOCK, true, &local_err)= ) { error_propagate(errp, local_err); return false; } --=20 2.39.2