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bh=v9FGDJT8xxA3Typ1TVt/j5JdWTpbcLQ/bYcuvLz+xDw=; b=VGPSw0c9vaVyVAU1U3ppEvUEomHdIAWViJF3MUQxwMYpWD1XYINAXdK9EcOTIa86anKBSA /worukt4osfCleRXKJKcDTS9wvva1s56waXUd+dgqatCagOglVCF66t1mMpCkNvd2qSpgO yUS01rUxNY38zzDUiRtuwGo4fl0bn7E= X-MC-Unique: 2H_ekr6EMs-m08GHw5aeHw-1 From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH 27/33] migration: push Error **errp into qemu_savevm_state_complete_precopy() Date: Thu, 4 Feb 2021 17:19:01 +0000 Message-Id: <20210204171907.901471-28-berrange@redhat.com> In-Reply-To: <20210204171907.901471-1-berrange@redhat.com> References: <20210204171907.901471-1-berrange@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=berrange@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable 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=63.128.21.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.351, 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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Juan Quintela , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , "Dr. David Alan Gilbert" , Hailiang Zhang Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) This is an incremental step in converting vmstate loading code to report via Error objects instead of printing directly to the console/monitor. Signed-off-by: Daniel P. Berrang=C3=A9 --- migration/migration.c | 14 +++++++++++--- migration/savevm.c | 18 +++++++++++------- migration/savevm.h | 3 ++- 3 files changed, 24 insertions(+), 11 deletions(-) diff --git a/migration/migration.c b/migration/migration.c index e814d47796..2ccb1b66b5 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -2845,7 +2845,11 @@ static int postcopy_start(MigrationState *ms) * Cause any non-postcopiable, but iterative devices to * send out their final data. */ - qemu_savevm_state_complete_precopy(ms->to_dst_file, true, false); + if (qemu_savevm_state_complete_precopy(ms->to_dst_file, true, false, + &local_err) < 0) { + error_report_err(local_err); + goto fail; + } =20 /* * in Finish migrate and with the io-lock held everything should @@ -2898,7 +2902,10 @@ static int postcopy_start(MigrationState *ms) */ qemu_savevm_send_postcopy_listen(fb); =20 - qemu_savevm_state_complete_precopy(fb, false, false); + if (qemu_savevm_state_complete_precopy(fb, false, false, &local_err) <= 0) { + error_report_err(local_err); + goto fail_closefb; + } if (migrate_postcopy_ram()) { qemu_savevm_send_ping(fb, 3); } @@ -3049,7 +3056,8 @@ static void migration_completion(MigrationState *s) if (ret >=3D 0) { qemu_file_set_rate_limit(s->to_dst_file, INT64_MAX); ret =3D qemu_savevm_state_complete_precopy(s->to_dst_file,= false, - inactivate); + inactivate, + &local_err); } if (inactivate && ret >=3D 0) { s->block_inactive =3D true; diff --git a/migration/savevm.c b/migration/savevm.c index 95e228a646..d6c36e6b6b 100644 --- a/migration/savevm.c +++ b/migration/savevm.c @@ -1441,7 +1441,8 @@ int qemu_savevm_state_complete_precopy_non_iterable(Q= EMUFile *f, } =20 int qemu_savevm_state_complete_precopy(QEMUFile *f, bool iterable_only, - bool inactivate_disks) + bool inactivate_disks, + Error **errp) { Error *local_err =3D NULL; bool in_postcopy =3D migration_in_postcopy(); @@ -1456,8 +1457,7 @@ int qemu_savevm_state_complete_precopy(QEMUFile *f, b= ool iterable_only, =20 if (!in_postcopy || iterable_only) { if (qemu_savevm_state_complete_precopy_iterable(f, in_postcopy, - &local_err) < 0) { - error_report_err(local_err); + errp) < 0) { return -1; } } @@ -1468,8 +1468,7 @@ int qemu_savevm_state_complete_precopy(QEMUFile *f, b= ool iterable_only, =20 if (qemu_savevm_state_complete_precopy_non_iterable(f, in_postcopy, inactivate_disks, - &local_err) < 0) { - error_report_err(local_err); + errp) < 0) { return -1; } =20 @@ -1568,7 +1567,9 @@ static int qemu_savevm_state(QEMUFile *f, Error **err= p) } } =20 - qemu_savevm_state_complete_precopy(f, false, false); + if (qemu_savevm_state_complete_precopy(f, false, false, errp) < 0) { + goto fail; + } ret =3D qemu_file_get_error(f); if (ret !=3D 0) { error_setg_errno(errp, -ret, "Error while writing VM state"); @@ -1594,8 +1595,11 @@ static int qemu_savevm_state(QEMUFile *f, Error **er= rp) =20 void qemu_savevm_live_state(QEMUFile *f) { + Error *local_err =3D NULL; /* save QEMU_VM_SECTION_END section */ - qemu_savevm_state_complete_precopy(f, true, false); + if (qemu_savevm_state_complete_precopy(f, true, false, &local_err) < 0= ) { + error_report_err(local_err); + } qemu_put_byte(f, QEMU_VM_EOF); } =20 diff --git a/migration/savevm.h b/migration/savevm.h index b7133655f2..e3120a4fb0 100644 --- a/migration/savevm.h +++ b/migration/savevm.h @@ -38,7 +38,8 @@ int qemu_savevm_state_iterate(QEMUFile *f, bool postcopy,= Error **errp); void qemu_savevm_state_cleanup(void); void qemu_savevm_state_complete_postcopy(QEMUFile *f); int qemu_savevm_state_complete_precopy(QEMUFile *f, bool iterable_only, - bool inactivate_disks); + bool inactivate_disks, + Error **errp); void qemu_savevm_state_pending(QEMUFile *f, uint64_t max_size, uint64_t *res_precopy_only, uint64_t *res_compatible, --=20 2.29.2