From nobody Wed Feb 11 02:07:12 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; dkim=fail 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 1496224199933103.43632906208938; Wed, 31 May 2017 02:49:59 -0700 (PDT) Received: from localhost ([::1]:58159 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dG0GM-0007Ze-4B for importer@patchew.org; Wed, 31 May 2017 05:49:58 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41642) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dG0AI-0002Sz-9O for qemu-devel@nongnu.org; Wed, 31 May 2017 05:43:43 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dG0AH-0001ke-N6 for qemu-devel@nongnu.org; Wed, 31 May 2017 05:43:42 -0400 Received: from mail-wr0-x244.google.com ([2a00:1450:400c:c0c::244]:34642) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1dG0AH-0001k7-H6; Wed, 31 May 2017 05:43:41 -0400 Received: by mail-wr0-x244.google.com with SMTP id 6so1063434wrb.1; Wed, 31 May 2017 02:43:41 -0700 (PDT) Received: from localhost.localdomain (94-39-157-43.adsl-ull.clienti.tiscali.it. [94.39.157.43]) by smtp.gmail.com with ESMTPSA id b30sm18150162wra.6.2017.05.31.02.43.39 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 31 May 2017 02:43:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=JrBZIcFaXUkqQl2sT9u/MSkjfIAKR7Gy4HtY2do2lK0=; b=SbPfz+WFq965rasgTLY+T6yMB/D9TANwSGmdxttBBckGujuV0xl6cac/fIifkSd2jb Qy6Z2GzDuZGwl5HG5bFWS22GCfullJMmF1nbdTxpusjhR3+nVjk5K4w6I+yAm/TQ7h4+ zKXEIJ6T1a+PMAZ0ynEpFysW1TYegiKTv97K6/8S2YD8fWl2YxwSzHlP+Vc/yd1FLS24 qLIlXzNTdjaxPDRty0jM4Ncpgiap6QF8yvN/w6CLiTxauIEOVsJsR+rjNhJCVJd47BpC UF2RY2uU9tbwTjqtfuoP3PypdDpm2gu5frYp7Ie+4eJUX/gCMdQomz+m2x/RyxknI/rs NDYg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references; bh=JrBZIcFaXUkqQl2sT9u/MSkjfIAKR7Gy4HtY2do2lK0=; b=FMSkEf1tJeGRxB4PB7/spAMOsPqg7u3z1r7dsF5R5GN3Gda9Q0Fq80VP2giUg+M+bm y3E/3+RsevgrJ9OLarJ/greda748QxXkHBs5WzVNrSGS38INi2aDKPbtLk6ZSIO2jnxg 9392+PaPnLHWM2bGyL71V8wMQBFxyIdFg+c1u4lxb4gP3ZHkbh0RMNbAI6rZejl6bjNY AlrpNw0d1K8Km+BVIuQpOWWFO78RZifDVjLryzUeHhNCOcEJTFDQslejOlIKVviA2kdT iqlAChwjs+KchNX8P7x7ZatRMXxyOZC6znhxt7wZcJlSlKaoSyWZVro1JUhr1ylbcDGv Ee9A== X-Gm-Message-State: AODbwcCwQBUsPpifSm5IxgbtTaP2Kom9OP6DXm44FDisIjjMRt77ruqh dK4gK2LhmyhdqqM1N9w= X-Received: by 10.223.151.42 with SMTP id r39mr11290907wrb.189.1496223820290; Wed, 31 May 2017 02:43:40 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Date: Wed, 31 May 2017 11:43:24 +0200 Message-Id: <20170531094330.1808-6-pbonzini@redhat.com> X-Mailer: git-send-email 2.13.0 In-Reply-To: <20170531094330.1808-1-pbonzini@redhat.com> References: <20170531094330.1808-1-pbonzini@redhat.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:400c:c0c::244 Subject: [Qemu-devel] [PATCH 05/11] 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, famz@redhat.com, qemu-block@nongnu.org, mreitz@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Paolo Bonzini Reviewed-by: Eric Blake --- block/vvfat.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/block/vvfat.c b/block/vvfat.c index 9c82371360..457b73a35c 100644 --- a/block/vvfat.c +++ b/block/vvfat.c @@ -2983,8 +2983,14 @@ 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