From nobody Mon Feb 9 18:18:18 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.zoho.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; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1498585843705775.4853398012713; Tue, 27 Jun 2017 10:50:43 -0700 (PDT) Received: from localhost ([::1]:57479 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dPudN-0007BQ-3u for importer@patchew.org; Tue, 27 Jun 2017 13:50:41 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52451) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dPtlz-000719-DE for qemu-devel@nongnu.org; Tue, 27 Jun 2017 12:55:36 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dPsL3-0003mJ-0c for qemu-devel@nongnu.org; Tue, 27 Jun 2017 11:23:37 -0400 Received: from mx1.redhat.com ([209.132.183.28]:60136) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dPsL0-0003VS-1v; Tue, 27 Jun 2017 11:23:34 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 154D47F419; Tue, 27 Jun 2017 15:23:33 +0000 (UTC) Received: from donizetti.redhat.com (unknown [10.36.117.255]) by smtp.corp.redhat.com (Postfix) with ESMTP id 628FB77DFD; Tue, 27 Jun 2017 15:23:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 154D47F419 Authentication-Results: ext-mx01.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx01.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=pbonzini@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com 154D47F419 From: Paolo Bonzini To: qemu-devel@nongnu.org Date: Tue, 27 Jun 2017 17:22:43 +0200 Message-Id: <20170627152248.10446-6-pbonzini@redhat.com> In-Reply-To: <20170627152248.10446-1-pbonzini@redhat.com> References: <20170627152248.10446-1-pbonzini@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Tue, 27 Jun 2017 15:23:33 +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 05/10] vvfat: make it thread-safe 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: kwolf@redhat.com, qemu-block@nongnu.org, stefanha@redhat.com 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" Reviewed-by: Eric Blake Reviewed-by: Stefan Hajnoczi Signed-off-by: Paolo Bonzini --- block/vvfat.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/block/vvfat.c b/block/vvfat.c index 8ab647c0c6..d2679c2ff5 100644 --- a/block/vvfat.c +++ b/block/vvfat.c @@ -2982,8 +2982,14 @@ static int coroutine_fn write_target_commit(BlockDriverState *bs, uint64_t offset, uint64_t bytes, QEMUIOVector *qiov, int flags) { + int ret; + BDRVVVFATState* s =3D *((BDRVVVFATState**) bs->opaque); - return try_commit(s); + qemu_co_mutex_lock(&s->lock); + ret =3D try_commit(s); + qemu_co_mutex_unlock(&s->lock); + + return ret; } =20 static void write_target_close(BlockDriverState *bs) { --=20 2.13.0