{"id":2222012,"url":"http://patchwork.ozlabs.org/api/1.1/covers/2222012/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/cover/20260410152314.86412-1-kwolf@redhat.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":"<20260410152314.86412-1-kwolf@redhat.com>","date":"2026-04-10T15:23:12","name":"[0/2] scsi: Fix discard_granularity for -drive if=scsi","submitter":{"id":2714,"url":"http://patchwork.ozlabs.org/api/1.1/people/2714/?format=json","name":"Kevin Wolf","email":"kwolf@redhat.com"},"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/cover/20260410152314.86412-1-kwolf@redhat.com/mbox/","series":[{"id":499481,"url":"http://patchwork.ozlabs.org/api/1.1/series/499481/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=499481","date":"2026-04-10T15:23:12","name":"scsi: Fix discard_granularity for -drive if=scsi","version":1,"mbox":"http://patchwork.ozlabs.org/series/499481/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/covers/2222012/comments/","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=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=bNwpt1r0;\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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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n s=mimecast20190719; t=1775834644;\n h=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n to:to:cc:cc:mime-version:mime-version:\n content-transfer-encoding:content-transfer-encoding;\n bh=hxHQrFBM4yubzi+V431+CmDy+WUGjh1Nchiot8Some0=;\n b=bNwpt1r0WYGbo268y7SpG/Oc1gb2fwZEXRk4ro1Av/guhO+iQvqXLlGJOeSdHtBn/E7VDc\n 8c9ZpdHhZOjqL60hGpMsgalw5PEBueWBDEf1zbxPtxciBlEFD20Fbmqt0mfqHDI6gsyqSo\n PFPj4NftJjOJyLsf7MAPBjaSAFDBiN4=","X-MC-Unique":"1eggxT9TNmOd5SNdhEdyyQ-1","X-Mimecast-MFC-AGG-ID":"1eggxT9TNmOd5SNdhEdyyQ_1775834636","From":"Kevin Wolf ","To":"qemu-block@nongnu.org","Cc":"kwolf@redhat.com, hreitz@redhat.com, ivy@FreeBSD.org, pbonzini@redhat.com,\n fam@euphon.net, qemu-devel@nongnu.org, qemu-stable@nongnu.org","Subject":"[PATCH 0/2] scsi: Fix discard_granularity for -drive if=scsi","Date":"Fri, 10 Apr 2026 17:23:12 +0200","Message-ID":"<20260410152314.86412-1-kwolf@redhat.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-Scanned-By":"MIMEDefang 3.0 on 10.30.177.17","Received-SPF":"pass client-ip=170.10.133.124; envelope-from=kwolf@redhat.com;\n helo=us-smtp-delivery-124.mimecast.com","X-Spam_score_int":"-25","X-Spam_score":"-2.6","X-Spam_bar":"--","X-Spam_report":"(-2.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.54,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=0.001,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001,\n SPF_HELO_PASS=-0.001,\n SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no","X-Spam_action":"no action","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.29","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":"This fixes the default for discard_granularity with -drive if=scsi,\nwhich was unintentionally 0 (disable discard) instead of sharing the\ndefault with the qdev property used for -device scsi-hd (usually 4096).\nThis was a regression in QEMU 9.0.\n\nKevin Wolf (2):\n block: Create DEFAULT_BLOCK_CONF macro\n block: Add more defaults to DEFAULT_BLOCK_CONF\n\n include/hw/block/block.h | 12 ++++++++++++\n hw/scsi/scsi-bus.c | 7 +------\n 2 files changed, 13 insertions(+), 6 deletions(-)"}