From nobody Mon Nov 17 17:49:13 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1604989137; cv=none; d=zohomail.com; s=zohoarc; b=Tv77vh2J1qXcbR01OXcAWUDJfXB8WZTmgaP20BiA/aPqXl8YU+4pDe6mluhvy+0aCxAqffsGqmQvpdDfEHzblA1vsIGHYDEcQQLP1CZgjbzg74KM3LnBdbozgsA41JiA8TcmmLDhyCz1AbstiVOtbHwoisC1PEVejB0Qg4Ab9Zc= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1604989137; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=gfqcVUbpLXufyvAlgGK2h+hisLQ9QUHYi4N5SHSWarw=; b=Hourt/s0XiNOf7d0cEWIEMTOeZvFl1RAXgJFbx8BDO9B23sx8trwEnTiOKWHT4yK2IxyNc9zuBarJY3Wq2RmY7vu4R4DWuk/pq+xSLYLLKRL3W7jCg6jTCls/7xg8l5t2xpH9lWd8QClJxkHH4sCwdJvuTBnv3Z1NkozYZEODa8= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1604989137681914.798468577237; Mon, 9 Nov 2020 22:18:57 -0800 (PST) Received: from localhost ([::1]:42600 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kcMzY-0007ok-EU for importer@patchew.org; Tue, 10 Nov 2020 01:18:56 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:42422) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kcMxs-0005dY-Do; Tue, 10 Nov 2020 01:17:12 -0500 Received: from szxga07-in.huawei.com ([45.249.212.35]:2136) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kcMxp-0003YE-1v; Tue, 10 Nov 2020 01:17:12 -0500 Received: from DGGEMS410-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga07-in.huawei.com (SkyGuard) with ESMTP id 4CVd1F2G8Vz74xv; Tue, 10 Nov 2020 14:16:49 +0800 (CST) Received: from huawei.com (10.175.104.175) by DGGEMS410-HUB.china.huawei.com (10.3.19.210) with Microsoft SMTP Server id 14.3.487.0; Tue, 10 Nov 2020 14:16:48 +0800 From: Gan Qixin To: , Subject: [PATCH 1/4] block/accounting.c: Use lock guard macros Date: Mon, 9 Nov 2020 23:43:24 +0800 Message-ID: <20201109154327.325675-2-ganqixin@huawei.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20201109154327.325675-1-ganqixin@huawei.com> References: <20201109154327.325675-1-ganqixin@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.175.104.175] X-CFilter-Loop: Reflected Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=45.249.212.35; envelope-from=ganqixin@huawei.com; helo=szxga07-in.huawei.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/10 01:02:06 X-ACL-Warn: Detected OS = Linux 3.1-3.10 [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DATE_IN_PAST_12_24=1.049, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, Gan Qixin , zhang.zhanghailiang@huawei.com, mreitz@redhat.com, dnbrdsky@gmail.com, stefanha@redhat.com, kuhn.chenqun@huawei.com, pbonzini@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Replace manual lock()/unlock() calls with lock guard macros (QEMU_LOCK_GUARD/WITH_QEMU_LOCK_GUARD) in block/accounting.c. Signed-off-by: Gan Qixin --- block/accounting.c | 32 +++++++++++++++----------------- 1 file changed, 15 insertions(+), 17 deletions(-) diff --git a/block/accounting.c b/block/accounting.c index 8d41c8a83a..2030851d79 100644 --- a/block/accounting.c +++ b/block/accounting.c @@ -199,29 +199,27 @@ static void block_account_one_io(BlockAcctStats *stat= s, BlockAcctCookie *cookie, return; } =20 - qemu_mutex_lock(&stats->lock); - - if (failed) { - stats->failed_ops[cookie->type]++; - } else { - stats->nr_bytes[cookie->type] +=3D cookie->bytes; - stats->nr_ops[cookie->type]++; - } + WITH_QEMU_LOCK_GUARD(&stats->lock) { + if (failed) { + stats->failed_ops[cookie->type]++; + } else { + stats->nr_bytes[cookie->type] +=3D cookie->bytes; + stats->nr_ops[cookie->type]++; + } =20 - block_latency_histogram_account(&stats->latency_histogram[cookie->type= ], - latency_ns); + block_latency_histogram_account(&stats->latency_histogram[cookie->= type], + latency_ns); =20 - if (!failed || stats->account_failed) { - stats->total_time_ns[cookie->type] +=3D latency_ns; - stats->last_access_time_ns =3D time_ns; + if (!failed || stats->account_failed) { + stats->total_time_ns[cookie->type] +=3D latency_ns; + stats->last_access_time_ns =3D time_ns; =20 - QSLIST_FOREACH(s, &stats->intervals, entries) { - timed_average_account(&s->latency[cookie->type], latency_ns); + QSLIST_FOREACH(s, &stats->intervals, entries) { + timed_average_account(&s->latency[cookie->type], latency_n= s); + } } } =20 - qemu_mutex_unlock(&stats->lock); - cookie->type =3D BLOCK_ACCT_NONE; } =20 --=20 2.23.0