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 C6588C3527C for ; Mon, 24 Jan 2022 20:52:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1392527AbiAXUvZ (ORCPT ); Mon, 24 Jan 2022 15:51:25 -0500 Received: from ams.source.kernel.org ([145.40.68.75]:46738 "EHLO ams.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1390742AbiAXUqJ (ORCPT ); Mon, 24 Jan 2022 15:46:09 -0500 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 4DF19B8122A; Mon, 24 Jan 2022 20:46:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7354AC340E5; Mon, 24 Jan 2022 20:46:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1643057167; bh=iVX2nFnEFRhokD0VjO3Y941ZpUA2yRw+aa5PKgYWm4I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=U1fyC7UXzzdo+9zWhVBOTyQS5hkZ6dyAbS9vWj7GDXseRwX1ueThJ8ED1nb+DxWhQ pt2zxpV7Mp0fjmtyQSI43+d62vq9207ZAiaP7VEGkZKBUDf025GVGUB8Ga2FUalAhm 9PmSV37+PwK/2lVopZ2zMGPSBIwh3dRDDZyuT9DI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Xie Yongji , Miklos Szeredi Subject: [PATCH 5.15 680/846] fuse: Pass correct lend value to filemap_write_and_wait_range() Date: Mon, 24 Jan 2022 19:43:17 +0100 Message-Id: <20220124184124.534235330@linuxfoundation.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220124184100.867127425@linuxfoundation.org> References: <20220124184100.867127425@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: stable@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 @@ -2913,7 +2913,7 @@ 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);