From nobody Wed Feb 11 01:26:06 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1517638919100604.5050927358708; Fri, 2 Feb 2018 22:21:59 -0800 (PST) Received: from localhost ([::1]:53951 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ehrD4-0004aM-DD for importer@patchew.org; Sat, 03 Feb 2018 01:21:58 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42781) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ehr9f-0001CO-3D for qemu-devel@nongnu.org; Sat, 03 Feb 2018 01:18:27 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ehr9e-0004zD-8A for qemu-devel@nongnu.org; Sat, 03 Feb 2018 01:18:27 -0500 Received: from mx1.redhat.com ([209.132.183.28]:43668) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ehr9Y-0004wy-Qy; Sat, 03 Feb 2018 01:18:20 -0500 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 02F3E85540; Sat, 3 Feb 2018 06:18:20 +0000 (UTC) Received: from localhost (ovpn-116-54.ams2.redhat.com [10.36.116.54]) by smtp.corp.redhat.com (Postfix) with ESMTP id BD206659C0; Sat, 3 Feb 2018 06:18:15 +0000 (UTC) From: Stefan Hajnoczi To: Date: Sat, 3 Feb 2018 07:16:19 +0100 Message-Id: <20180203061621.7033-2-stefanha@redhat.com> In-Reply-To: <20180203061621.7033-1-stefanha@redhat.com> References: <20180203061621.7033-1-stefanha@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Sat, 03 Feb 2018 06:18:20 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v2 1/3] block/iscsi: drop unused IscsiAIOCB->buf field X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Ronnie Sahlberg , qemu-block@nongnu.org, Peter Lieven , Stefan Hajnoczi , Felipe Franciosi , Paolo Bonzini Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" The IscsiAIOCB->buf field has not been used since commit e49ab19fcaa617ad6cdfe1ac401327326b6a2552 ("block/iscsi: bump libiscsi requirement to 1.9.0"). It used to be a linear buffer for old libiscsi versions that didn't support scatter-gather. The minimum libiscsi version supports scatter-gather so we don't linearize buffers anymore. Signed-off-by: Stefan Hajnoczi Reviewed-by: Paolo Bonzini --- block/iscsi.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/block/iscsi.c b/block/iscsi.c index 6a1c53711a..cd0738942c 100644 --- a/block/iscsi.c +++ b/block/iscsi.c @@ -112,7 +112,6 @@ typedef struct IscsiAIOCB { QEMUBH *bh; IscsiLun *iscsilun; struct scsi_task *task; - uint8_t *buf; int status; int64_t sector_num; int nb_sectors; @@ -145,9 +144,6 @@ iscsi_bh_cb(void *p) =20 qemu_bh_delete(acb->bh); =20 - g_free(acb->buf); - acb->buf =3D NULL; - acb->common.cb(acb->common.opaque, acb->status); =20 if (acb->task !=3D NULL) { @@ -925,9 +921,6 @@ iscsi_aio_ioctl_cb(struct iscsi_context *iscsi, int sta= tus, { IscsiAIOCB *acb =3D opaque; =20 - g_free(acb->buf); - acb->buf =3D NULL; - acb->status =3D 0; if (status < 0) { error_report("Failed to ioctl(SG_IO) to iSCSI lun. %s", @@ -1002,7 +995,6 @@ static BlockAIOCB *iscsi_aio_ioctl(BlockDriverState *b= s, acb->iscsilun =3D iscsilun; acb->bh =3D NULL; acb->status =3D -EINPROGRESS; - acb->buf =3D NULL; acb->ioh =3D buf; =20 if (req !=3D SG_IO) { --=20 2.14.3