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Berrange" , Markus Armbruster , Steve Sistare Subject: [PATCH V3 10/16] migration: split qmp_migrate Date: Fri, 1 Nov 2024 06:47:49 -0700 Message-Id: <1730468875-249970-11-git-send-email-steven.sistare@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1730468875-249970-1-git-send-email-steven.sistare@oracle.com> References: <1730468875-249970-1-git-send-email-steven.sistare@oracle.com> X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-11-01_08,2024-11-01_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxlogscore=999 mlxscore=0 spamscore=0 phishscore=0 suspectscore=0 malwarescore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2409260000 definitions=main-2411010100 X-Proofpoint-ORIG-GUID: WK_VIPraSCxOtKuQrUzKnA4_j-5CXKPl X-Proofpoint-GUID: WK_VIPraSCxOtKuQrUzKnA4_j-5CXKPl Received-SPF: pass client-ip=205.220.177.32; envelope-from=steven.sistare@oracle.com; helo=mx0b-00069f02.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Split qmp_migrate into start and finish functions. Finish will be called asynchronously in a subsequent patch, but for now, call it immediately. No functional change. Signed-off-by: Steve Sistare --- migration/migration.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/migration/migration.c b/migration/migration.c index 6dc7c09..86b3f39 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1521,6 +1521,7 @@ static void migrate_fd_error(MigrationState *s, const Error *error) static void migrate_fd_cancel(MigrationState *s) { int old_state ; + bool setup = (s->state == MIGRATION_STATUS_SETUP); trace_migrate_fd_cancel(); @@ -1565,6 +1566,15 @@ static void migrate_fd_cancel(MigrationState *s) s->block_inactive = false; } } + + /* + * If qmp_migrate_finish has not been called, then there is no path that + * will complete the cancellation. Do it now. + */ + if (setup && !s->to_dst_file) { + migrate_set_state(&s->state, s->state, MIGRATION_STATUS_CANCELLED); + vm_resume(s->vm_old_state); + } } void migration_add_notifier_mode(NotifierWithReturn *notify, @@ -2072,6 +2082,9 @@ static bool migrate_prepare(MigrationState *s, bool resume, Error **errp) return true; } +static void qmp_migrate_finish(MigrationAddress *addr, bool resume_requested, + Error **errp); + void qmp_migrate(const char *uri, bool has_channels, MigrationChannelList *channels, bool has_detach, bool detach, bool has_resume, bool resume, Error **errp) @@ -2118,6 +2131,20 @@ void qmp_migrate(const char *uri, bool has_channels, return; } + qmp_migrate_finish(addr, resume_requested, errp); + + if (local_err) { + migrate_fd_error(s, local_err); + error_propagate(errp, local_err); + } +} + +static void qmp_migrate_finish(MigrationAddress *addr, bool resume_requested, + Error **errp) +{ + MigrationState *s = migrate_get_current(); + Error *local_err = NULL; + if (!resume_requested) { if (!yank_register_instance(MIGRATION_YANK_INSTANCE, errp)) { return; -- 1.8.3.1