From patchwork Mon Jan 24 18:43:33 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 535949 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 33018C433FE for ; Mon, 24 Jan 2022 20:09:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353877AbiAXUJP (ORCPT ); Mon, 24 Jan 2022 15:09:15 -0500 Received: from dfw.source.kernel.org ([139.178.84.217]:60126 "EHLO dfw.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353664AbiAXUDm (ORCPT ); Mon, 24 Jan 2022 15:03:42 -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 dfw.source.kernel.org (Postfix) with ESMTPS id 0A67461028; Mon, 24 Jan 2022 20:03:40 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D6A12C340E5; Mon, 24 Jan 2022 20:03:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1643054619; bh=atTkGfMMk75fom7jlFBYADegWZNkmEzSAJvW2WQSJ6M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kyi+ljwMVYLzYQkhBAhFmWgQiah4lAI6reeKU0ZZuzDl6afQDHayLZRmKb/x/n7i1 BqlIrR+riKxFu72xbN+uDnoe8HPAMJ0frYFIPhYRnov6ZU6Obg64GjdyFU7/hLI9Da f0kvKEbTUbtVt88xopQgfHuu8XknHcGRbgYXLVS0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Xie Yongji , Miklos Szeredi Subject: [PATCH 5.10 448/563] fuse: Pass correct lend value to filemap_write_and_wait_range() Date: Mon, 24 Jan 2022 19:43:33 +0100 Message-Id: <20220124184039.952113162@linuxfoundation.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220124184024.407936072@linuxfoundation.org> References: <20220124184024.407936072@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 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 @@ -3251,7 +3251,7 @@ 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);