{"id":2227463,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2227463/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260423191958.1440-9-farosas@suse.de/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.2/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260423191958.1440-9-farosas@suse.de>","list_archive_url":null,"date":"2026-04-23T19:19:22","name":"[PULL,08/43] migration: factor out vmstate_pre_save() from vmstate_save_state()","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"fd669a8cd994ccf115ae59142ebb79bcda77883e","submitter":{"id":85343,"url":"http://patchwork.ozlabs.org/api/1.2/people/85343/?format=json","name":"Fabiano Rosas","email":"farosas@suse.de"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260423191958.1440-9-farosas@suse.de/mbox/","series":[{"id":501236,"url":"http://patchwork.ozlabs.org/api/1.2/series/501236/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=501236","date":"2026-04-23T19:19:14","name":"[PULL,01/43] checkpatch: Allow spaces after all coroutine annotations","version":1,"mbox":"http://patchwork.ozlabs.org/series/501236/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2227463/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2227463/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=suse.de header.i=@suse.de header.a=rsa-sha256\n header.s=susede2_rsa header.b=QVaSCSCa;\n\tdkim=pass header.d=suse.de header.i=@suse.de header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=jVYeFenI;\n\tdkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de\n header.a=rsa-sha256 header.s=susede2_rsa header.b=QVaSCSCa;\n\tdkim=neutral header.d=suse.de header.i=@suse.de header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=jVYeFenI;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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t=1776972013;\n h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc:\n mime-version:mime-version:\n content-transfer-encoding:content-transfer-encoding:\n in-reply-to:in-reply-to:references:references;\n bh=DdvgjJWId/ztQjLwsbKadX2Wrh8lXPgRZKBKsMat1oU=;\n b=jVYeFenIA5L+xT/OmTrW8TJV8V/q03tbVY6HBFyLeZO93nrRv5XpLLyicT2FrfLCY5btBs\n 3rGsDyBka8pYlIDA=="],"From":"Fabiano Rosas ","To":"qemu-devel@nongnu.org","Cc":"Peter Xu ,\n Vladimir Sementsov-Ogievskiy ","Subject":"[PULL 08/43] migration: factor out vmstate_pre_save() from\n vmstate_save_state()","Date":"Thu, 23 Apr 2026 16:19:22 -0300","Message-ID":"<20260423191958.1440-9-farosas@suse.de>","X-Mailer":"git-send-email 2.51.0","In-Reply-To":"<20260423191958.1440-1-farosas@suse.de>","References":"<20260423191958.1440-1-farosas@suse.de>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-Spam-Score":"-2.80","X-Spamd-Result":"default: False [-2.80 / 50.00]; BAYES_HAM(-3.00)[100.00%];\n NEURAL_HAM_LONG(-1.00)[-1.000]; MID_CONTAINS_FROM(1.00)[];\n R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-1.000];\n MIME_GOOD(-0.10)[text/plain]; TO_MATCH_ENVRCPT_ALL(0.00)[];\n FROM_HAS_DN(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+];\n TO_DN_SOME(0.00)[];\n DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,suse.de:mid,suse.de:email];\n RCVD_VIA_SMTP_AUTH(0.00)[]; FROM_EQ_ENVFROM(0.00)[];\n RCVD_COUNT_TWO(0.00)[2]; FUZZY_RATELIMITED(0.00)[rspamd.com];\n DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519];\n RCPT_COUNT_THREE(0.00)[3]; RCVD_TLS_ALL(0.00)[]","Received-SPF":"pass client-ip=2a07:de40:b251:101:10:150:64:1;\n envelope-from=farosas@suse.de; helo=smtp-out1.suse.de","X-Spam_score_int":"-20","X-Spam_score":"-2.1","X-Spam_bar":"--","X-Spam_report":"(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001,\n 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":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"From: Vladimir Sementsov-Ogievskiy \n\nSimplify vmstate_save_state() which is rather big, and simplify further\nrefactoring.\n\nSigned-off-by: Vladimir Sementsov-Ogievskiy \nReviewed-by: Peter Xu \nLink: https://lore.kernel.org/qemu-devel/20260304212303.667141-7-vsementsov@yandex-team.ru\nSigned-off-by: Fabiano Rosas \n---\n migration/vmstate.c | 39 ++++++++++++++++++++++++---------------\n 1 file changed, 24 insertions(+), 15 deletions(-)","diff":"diff --git a/migration/vmstate.c b/migration/vmstate.c\nindex 87e1f04959..605b5c59c7 100644\n--- a/migration/vmstate.c\n+++ b/migration/vmstate.c\n@@ -435,32 +435,41 @@ bool vmstate_section_needed(const VMStateDescription *vmsd, void *opaque)\n return true;\n }\n \n-static int vmstate_save_state_v(QEMUFile *f, const VMStateDescription *vmsd,\n- void *opaque, JSONWriter *vmdesc,\n- int version_id, Error **errp)\n+static bool vmstate_pre_save(const VMStateDescription *vmsd, void *opaque,\n+ Error **errp)\n {\n ERRP_GUARD();\n- int ret = 0;\n- const VMStateField *field = vmsd->fields;\n-\n- trace_vmstate_save_state_top(vmsd->name);\n \n if (vmsd->pre_save_errp) {\n- ret = vmsd->pre_save_errp(opaque, errp) ? 0 : -EINVAL;\n- if (ret < 0) {\n+ if (!vmsd->pre_save_errp(opaque, errp)) {\n error_prepend(errp, \"pre-save for %s failed: \", vmsd->name);\n- trace_vmstate_save_state_pre_save_fail(vmsd->name);\n- return ret;\n+ return false;\n }\n } else if (vmsd->pre_save) {\n- ret = vmsd->pre_save(opaque);\n- if (ret) {\n+ if (vmsd->pre_save(opaque) < 0) {\n error_setg(errp, \"pre-save failed: %s\", vmsd->name);\n- trace_vmstate_save_state_pre_save_fail(vmsd->name);\n- return ret;\n+ return false;\n }\n }\n \n+ return true;\n+}\n+\n+static int vmstate_save_state_v(QEMUFile *f, const VMStateDescription *vmsd,\n+ void *opaque, JSONWriter *vmdesc,\n+ int version_id, Error **errp)\n+{\n+ ERRP_GUARD();\n+ int ret = 0;\n+ const VMStateField *field = vmsd->fields;\n+\n+ trace_vmstate_save_state_top(vmsd->name);\n+\n+ if (!vmstate_pre_save(vmsd, opaque, errp)) {\n+ trace_vmstate_save_state_pre_save_fail(vmsd->name);\n+ return -EINVAL;\n+ }\n+\n trace_vmstate_save_state_pre_save_success(vmsd->name);\n \n if (vmdesc) {\n","prefixes":["PULL","08/43"]}