{"id":2222006,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2222006/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260410150457.85190-13-zhangckid@gmail.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.1/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":""},"msgid":"<20260410150457.85190-13-zhangckid@gmail.com>","date":"2026-04-10T15:04:55","name":"[V6,12/14] xen-block: Update tracking iothread users with holder name","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"da8489825baacaefae28bd4fb0cc4d7150d32790","submitter":{"id":72278,"url":"http://patchwork.ozlabs.org/api/1.1/people/72278/?format=json","name":"Zhang Chen","email":"zhangckid@gmail.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260410150457.85190-13-zhangckid@gmail.com/mbox/","series":[{"id":499477,"url":"http://patchwork.ozlabs.org/api/1.1/series/499477/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=499477","date":"2026-04-10T15:04:43","name":"iothread: Support tracking and querying IOThread holders","version":6,"mbox":"http://patchwork.ozlabs.org/series/499477/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2222006/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2222006/checks/","tags":{},"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 (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=PmxZkZdS;\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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David Alan Gilbert\" ,\n Eric Blake , Markus Armbruster ,\n \"Michael S . Tsirkin\" ,\n Stefan Hajnoczi ","Cc":"Zhang Chen ","Subject":"[PATCH V6 12/14] xen-block: Update tracking iothread users with\n holder name","Date":"Fri, 10 Apr 2026 23:04:55 +0800","Message-ID":"<20260410150457.85190-13-zhangckid@gmail.com>","X-Mailer":"git-send-email 2.49.0","In-Reply-To":"<20260410150457.85190-1-zhangckid@gmail.com>","References":"<20260410150457.85190-1-zhangckid@gmail.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Received-SPF":"pass client-ip=2607:f8b0:4864:20::1029;\n envelope-from=zhangckid@gmail.com; helo=mail-pj1-x1029.google.com","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, FREEMAIL_FROM=0.001,\n RCVD_IN_DNSWL_NONE=-0.0001, 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":"Replace raw object_ref/unref calls with iothread_get/put_aio_context.\n\nSigned-off-by: Zhang Chen \n---\n hw/block/dataplane/xen-block.c | 11 ++++++++---\n 1 file changed, 8 insertions(+), 3 deletions(-)","diff":"diff --git a/hw/block/dataplane/xen-block.c b/hw/block/dataplane/xen-block.c\nindex 48c2e315f3..552bd8b039 100644\n--- a/hw/block/dataplane/xen-block.c\n+++ b/hw/block/dataplane/xen-block.c\n@@ -621,9 +621,11 @@ XenBlockDataPlane *xen_block_dataplane_create(XenDevice *xendev,\n QLIST_INIT(&dataplane->freelist);\n \n if (iothread) {\n+ g_autofree char *path = object_get_canonical_path(OBJECT(xendev));\n+\n dataplane->iothread = iothread;\n- object_ref(OBJECT(dataplane->iothread));\n- dataplane->ctx = iothread_get_aio_context(dataplane->iothread);\n+ dataplane->ctx = iothread_ref_and_get_aio_context(dataplane->iothread,\n+ path);\n } else {\n dataplane->ctx = qemu_get_aio_context();\n }\n@@ -652,7 +654,10 @@ void xen_block_dataplane_destroy(XenBlockDataPlane *dataplane)\n \n qemu_bh_delete(dataplane->bh);\n if (dataplane->iothread) {\n- object_unref(OBJECT(dataplane->iothread));\n+ g_autofree char *path = object_get_canonical_path(\n+ OBJECT(dataplane->xendev));\n+\n+ iothread_put_aio_context(dataplane->iothread, path);\n }\n \n g_free(dataplane);\n","prefixes":["V6","12/14"]}