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 X-Spam-Level: X-Spam-Status: No, score=-12.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A9447C47095 for ; Sun, 4 Oct 2020 18:05:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6E8292078A for ; Sun, 4 Oct 2020 18:05:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="HhKU5wBQ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726374AbgJDSEh (ORCPT ); Sun, 4 Oct 2020 14:04:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48766 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726125AbgJDSEg (ORCPT ); Sun, 4 Oct 2020 14:04:36 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A9B80C0613CE; Sun, 4 Oct 2020 11:04:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=pBzpd+ZwGINPndJww6tlDY0rtfFWrUcfW5HnCOvqMps=; b=HhKU5wBQQ0+KAkIw1hnOknJpey b+TM07EAXbH1BzLpr/tUIU6Zn7nHldnfw2dLBkS4z6MtoQnD3AAjPOkWyZZOu/Jr6aVZ0Cw5ktum2 5rjXSksb901BlCVzzhiselxVyeUEGWOOPrd8+9nldrBw8W+QUdQRl7AMynVgT4dl7FqMGGLAz4MPp WJxO5XhcrH1qidqBSWiTtGhlnAVa1ZuoGcR32NQI48q1WbsygsXbRVU6XAKrsyhKOb4CKCU486nqP KNFJDJkYunqJevFpgyZjj/sGecsoaHR04EjI6+GDdt8LHtOLgV2YMnxRvy8yT5o4QNZnfm3hX91QT JGA1mwtw==; Received: from willy by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1kP8N6-0003mo-1t; Sun, 04 Oct 2020 18:04:32 +0000 From: "Matthew Wilcox (Oracle)" To: linux-fsdevel@vger.kernel.org Cc: "Matthew Wilcox (Oracle)" , ericvh@gmail.com, lucho@ionkov.net, viro@zeniv.linux.org.uk, jlayton@kernel.org, idryomov@gmail.com, mark@fasheh.com, jlbec@evilplan.org, joseph.qi@linux.alibaba.com, v9fs-developer@lists.sourceforge.net, linux-kernel@vger.kernel.org, ceph-devel@vger.kernel.org, ocfs2-devel@oss.oracle.com, linux-btrfs@vger.kernel.org, clm@fb.com, josef@toxicpanda.com, dsterba@suse.com, stable@vger.kernel.org Subject: [PATCH 5/7] btrfs: Promote to unsigned long long before shifting Date: Sun, 4 Oct 2020 19:04:26 +0100 Message-Id: <20201004180428.14494-6-willy@infradead.org> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20201004180428.14494-1-willy@infradead.org> References: <20201004180428.14494-1-willy@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On 32-bit systems, this shift will overflow for files larger than 4GB. Cc: stable@vger.kernel.org Fixes: df480633b891 ("btrfs: extent-tree: Switch to new delalloc space reserve and release") Signed-off-by: Matthew Wilcox (Oracle) --- fs/btrfs/ioctl.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index ac45f022b495..4d3b7e4ae53a 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -1277,7 +1277,7 @@ static int cluster_pages_for_defrag(struct inode *inode, page_cnt = min_t(u64, (u64)num_pages, (u64)file_end - start_index + 1); ret = btrfs_delalloc_reserve_space(BTRFS_I(inode), &data_reserved, - start_index << PAGE_SHIFT, + (loff_t)start_index << PAGE_SHIFT, page_cnt << PAGE_SHIFT); if (ret) return ret; @@ -1367,7 +1367,7 @@ static int cluster_pages_for_defrag(struct inode *inode, btrfs_mod_outstanding_extents(BTRFS_I(inode), 1); spin_unlock(&BTRFS_I(inode)->lock); btrfs_delalloc_release_space(BTRFS_I(inode), data_reserved, - start_index << PAGE_SHIFT, + (loff_t)start_index << PAGE_SHIFT, (page_cnt - i_done) << PAGE_SHIFT, true); } @@ -1395,7 +1395,7 @@ static int cluster_pages_for_defrag(struct inode *inode, put_page(pages[i]); } btrfs_delalloc_release_space(BTRFS_I(inode), data_reserved, - start_index << PAGE_SHIFT, + (loff_t)start_index << PAGE_SHIFT, page_cnt << PAGE_SHIFT, true); btrfs_delalloc_release_extents(BTRFS_I(inode), page_cnt << PAGE_SHIFT); extent_changeset_free(data_reserved); -- 2.28.0