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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F1473C4167B for ; Mon, 24 Jan 2022 20:38:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1385923AbiAXUer (ORCPT ); Mon, 24 Jan 2022 15:34:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34868 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1355456AbiAXUNl (ORCPT ); Mon, 24 Jan 2022 15:13:41 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6F48DC06177E; Mon, 24 Jan 2022 11:37:01 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 2BF5BB80FA1; Mon, 24 Jan 2022 19:37:00 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5E94DC340E5; Mon, 24 Jan 2022 19:36:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1643053018; bh=KXa3PZX3KZ79XnZVl87pu7FZ3QvuxgE02+fJGd2UNa4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zwBay6TLX9Yv9r0Lm8wTWrlpP6jRSD3zGXHbQGHmr1r6IVGRU9pBsn4pPK5/kR/QC xY9QE6HPqXqpIqIorA8XM7UVDA83HYEceJdGMtcEYo3sK/Oaj/ysHSu40vgVjUAQaI nh6yvrNv6GerfCQGqtM+fDpKoOf1t7g72TuCMa9U= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Xie Yongji , Miklos Szeredi Subject: [PATCH 5.4 250/320] fuse: Pass correct lend value to filemap_write_and_wait_range() Date: Mon, 24 Jan 2022 19:43:54 +0100 Message-Id: <20220124184002.493762000@linuxfoundation.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220124183953.750177707@linuxfoundation.org> References: <20220124183953.750177707@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Xie Yongji commit e388164ea385f04666c4633f5dc4f951fca71890 upstream. The acceptable maximum value of lend parameter in filemap_write_and_wait_range() is LLONG_MAX rather than -1. And there is also some logic depending on LLONG_MAX check in write_cache_pages(). So let's pass LLONG_MAX to filemap_write_and_wait_range() in fuse_writeback_range() instead. Fixes: 59bda8ecee2f ("fuse: flush extending writes") Signed-off-by: Xie Yongji Cc: # v5.15 Signed-off-by: Miklos Szeredi Signed-off-by: Greg Kroah-Hartman --- fs/fuse/file.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -3188,7 +3188,7 @@ fuse_direct_IO(struct kiocb *iocb, struc static int fuse_writeback_range(struct inode *inode, loff_t start, loff_t end) { - int err = filemap_write_and_wait_range(inode->i_mapping, start, -1); + int err = filemap_write_and_wait_range(inode->i_mapping, start, LLONG_MAX); if (!err) fuse_sync_writes(inode);