From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 64513C433F5 for ; Wed, 20 Oct 2021 01:56:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4F9236115A for ; Wed, 20 Oct 2021 01:56:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230013AbhJTB6y (ORCPT ); Tue, 19 Oct 2021 21:58:54 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:37577 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230005AbhJTB6w (ORCPT ); Tue, 19 Oct 2021 21:58:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1634694998; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=mlRh4bGaTK/lgZByvXsIKeO+VwJfwEqF4xLSsZPtqEc=; b=fSxf7U/NPWXp/Jw0gCz765A5iHGYpceOieuN4CSCiwfpx5j2c1nr/R5ekDqeTToD3W9Fa0 sobmjr7vjnxAvi3SGisS98n/nnKkV/u/K1YnhWv5VSOuKUyDQIn1Psa5aY5hE1jP4LUgir QXgtcSu+5WL/322v3HETLJLH1i0t1Y4= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-578-jadriz7UNSSmKHNwv2x9mw-1; Tue, 19 Oct 2021 21:56:37 -0400 X-MC-Unique: jadriz7UNSSmKHNwv2x9mw-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4D6C010A8E00; Wed, 20 Oct 2021 01:56:36 +0000 (UTC) Received: from localhost (ovpn-8-20.pek2.redhat.com [10.72.8.20]) by smtp.corp.redhat.com (Postfix) with ESMTP id CB78F19C79; Wed, 20 Oct 2021 01:56:31 +0000 (UTC) From: Ming Lei To: Jens Axboe Cc: linux-block@vger.kernel.org, Luis Chamberlain , Minchan Kim , Greg Kroah-Hartman , linux-kernel@vger.kernel.org, Ming Lei Subject: [PATCH V2 4/4] zram: replace fsync_bdev with sync_blockdev Date: Wed, 20 Oct 2021 09:55:48 +0800 Message-Id: <20211020015548.2374568-5-ming.lei@redhat.com> In-Reply-To: <20211020015548.2374568-1-ming.lei@redhat.com> References: <20211020015548.2374568-1-ming.lei@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org When calling fsync_bdev(), zram driver guarantees that the bdev won't be opened by anyone, then there can't be one active fs/superblock over the zram bdev, so replace fsync_bdev with sync_blockdev. Signed-off-by: Ming Lei --- drivers/block/zram/zram_drv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 6078d1dae44a..563af3aa4f5e 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -1790,7 +1790,7 @@ static ssize_t reset_store(struct device *dev, mutex_unlock(&bdev->bd_disk->open_mutex); /* Make sure all the pending I/O are finished */ - fsync_bdev(bdev); + sync_blockdev(bdev); zram_reset_device(zram); mutex_lock(&bdev->bd_disk->open_mutex); @@ -1991,7 +1991,7 @@ static int zram_remove(struct zram *zram) ; } else { /* Make sure all the pending I/O are finished */ - fsync_bdev(bdev); + sync_blockdev(bdev); zram_reset_device(zram); } -- 2.31.1