From nobody Sat Feb 7 05:49:20 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 1498743562343984.4810934721135; Thu, 29 Jun 2017 06:39:22 -0700 (PDT) Received: from localhost ([::1]:39415 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dQZfD-0007bI-Nw for importer@patchew.org; Thu, 29 Jun 2017 09:39:19 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48881) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dQZUG-0005kn-Ei for qemu-devel@nongnu.org; Thu, 29 Jun 2017 09:28:01 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dQZUF-0001Nr-Ir for qemu-devel@nongnu.org; Thu, 29 Jun 2017 09:28:00 -0400 Received: from mail-wm0-x243.google.com ([2a00:1450:400c:c09::243]:35281) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1dQZUF-0001Li-Cc; Thu, 29 Jun 2017 09:27:59 -0400 Received: by mail-wm0-x243.google.com with SMTP id u23so2590194wma.2; Thu, 29 Jun 2017 06:27:59 -0700 (PDT) Received: from localhost.localdomain (94-39-191-51.adsl-ull.clienti.tiscali.it. [94.39.191.51]) by smtp.gmail.com with ESMTPSA id i22sm4087691wrb.30.2017.06.29.06.27.57 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 29 Jun 2017 06:27:57 -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=u+OSKaL5i36r5vBS7rLFWKZAMH5AxgFyL7GtzdyOBng=; b=o7hncRAcls5dNeu/1Xq3hEfG3VY0GCL7e8hXOnS3x25n33QnG+fcIED6zkjbsMjLKa JCSh5Ph9qmRNJcZre0SrLdPM0xHcgiiMGlGHF9gFlMvHMmmhcdtHHpBIf2+lEV/I6GHk Ylm/2I2ByTFDOsaLFOdecU3RcX9T8B/+JFYhn7PU2mzfj1CNgRMyhVJUECDfM03Wwxnp PI2q5amZZHWKgEcvXiX9yIrQMTmwYB+tBDruU4PuV2OgOD5kZZZu+KPtDT2PPcDHBaeu 7IczrQ94K0mOHOwEhb1jrs+grzloJQEszaSBzcNBIjmbr51lQAjUFyl7TyjnGMtt3pJw 25fQ== 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=u+OSKaL5i36r5vBS7rLFWKZAMH5AxgFyL7GtzdyOBng=; b=QbEg1N7Usm6PeTiLzwWwK3NveNeNN4GdCGQhfAwp0aAcBvyEL9LqEJneqXd3r1EWHh R0iXs9FuZ0TEeNvc1+PubVoB0GZiLNK4VEb9QQEugLEDALSZDK80XQ0zkqF8g4xVCR8X BHVadoWCJXXYgaJ9hwfTmfZ4G58RmrbO4zj5gczXaYnZh2QTwpI/Q7w5++tS2UYQDLl0 xgpzzMjXD87GdAYhIDEhe0S2OvVCn+uTuEGYiUKMXmOXyhKJ3Gg3YX9q+XO9xafxarXm 9Q7MFKGMD5olKx9Lf+3sQ8qvT2HxtRvffGrZfOE1uA+NfEarWemIg+qVQQjmSMzR2c0M UO8w== X-Gm-Message-State: AKS2vOxY5OQp4ijDpDHoQWp3d4xdLFqpgqdRdOf1Z4coL5vOxj+z91EN JdJQ2P8DwqV8MX5xEt4= X-Received: by 10.28.173.10 with SMTP id w10mr11026544wme.98.1498742878174; Thu, 29 Jun 2017 06:27:58 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Date: Thu, 29 Jun 2017 15:27:43 +0200 Message-Id: <20170629132749.997-6-pbonzini@redhat.com> X-Mailer: git-send-email 2.13.0 In-Reply-To: <20170629132749.997-1-pbonzini@redhat.com> References: <20170629132749.997-1-pbonzini@redhat.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:400c:c09::243 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, qemu-block@nongnu.org, stefanha@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" 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