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=-8.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 8039CC10F00 for ; Sat, 7 Mar 2020 00:24:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4D5E9206E6 for ; Sat, 7 Mar 2020 00:24:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1583540682; bh=B72rG1jwLbG2y/Xk21RtChGVMs08LLX26UA7wxJK7XI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=0VEd/SToA0G7jmz7U2OpQijPBfPY4c4hRtcqf4XOLEgnV0gj/bBctR7VlonTpzJ7M 9YCPaQq86eT5a9ULqoSXwbnRH5WKb2fEu9cohXJEEmiGlWuTkhyA34Jze3Y/QfzsIU GaEcfKbYw3ktIuhDQbFJtegOZH7rLoElGW8VY89M= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726769AbgCGAYl (ORCPT ); Fri, 6 Mar 2020 19:24:41 -0500 Received: from mail.kernel.org ([198.145.29.99]:59696 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726368AbgCGAYl (ORCPT ); Fri, 6 Mar 2020 19:24:41 -0500 Received: from localhost (unknown [104.132.1.66]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 901C0206E2; Sat, 7 Mar 2020 00:24:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1583540680; bh=B72rG1jwLbG2y/Xk21RtChGVMs08LLX26UA7wxJK7XI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=tpSqdkzjbvlHV87zP5VZdFv9lE0mA/6eQJkWRgcGgYArXxTgvSeCyV8Z8vgOiD8Ku 91oZt4IM9h1yIscyunfSHVvMeIaPPVyKpdb/Rv1cNXPvtx77nBUxiEHWy/UCmZ5nLp E1SSOAedqG+uu7BrqfC++0gy/ad+A7ngWYpF2or8= Date: Fri, 6 Mar 2020 16:24:40 -0800 From: Jaegeuk Kim To: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Cc: Daniel Rosenberg , kernel-team@android.com Subject: Re: [PATCH v2] f2fs: fix wrong check on F2FS_IOC_FSSETXATTR Message-ID: <20200307002440.GA7944@google.com> References: <20200305234822.178708-1-jaegeuk@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200305234822.178708-1-jaegeuk@kernel.org> User-Agent: Mutt/1.12.2 (2019-09-21) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This fixes the incorrect failure when enabling project quota on casefold-enabled file. Cc: Daniel Rosenberg Cc: kernel-team@android.com Signed-off-by: Jaegeuk Kim --- log from v1: - fix the last check fs/f2fs/file.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index b443dc2947c7..07f636732199 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -1794,12 +1794,15 @@ static int f2fs_file_flush(struct file *file, fl_owner_t id) static int f2fs_setflags_common(struct inode *inode, u32 iflags, u32 mask) { struct f2fs_inode_info *fi = F2FS_I(inode); + u32 masked_flags = fi->i_flags & mask; + + f2fs_bug_on(F2FS_I_SB(inode), (iflags & ~mask)); /* Is it quota file? Do not allow user to mess with it */ if (IS_NOQUOTA(inode)) return -EPERM; - if ((iflags ^ fi->i_flags) & F2FS_CASEFOLD_FL) { + if ((iflags ^ masked_flags) & F2FS_CASEFOLD_FL) { if (!f2fs_sb_has_casefold(F2FS_I_SB(inode))) return -EOPNOTSUPP; if (!f2fs_empty_dir(inode)) @@ -1813,9 +1816,9 @@ static int f2fs_setflags_common(struct inode *inode, u32 iflags, u32 mask) return -EINVAL; } - if ((iflags ^ fi->i_flags) & F2FS_COMPR_FL) { + if ((iflags ^ masked_flags) & F2FS_COMPR_FL) { if (S_ISREG(inode->i_mode) && - (fi->i_flags & F2FS_COMPR_FL || i_size_read(inode) || + (masked_flags & F2FS_COMPR_FL || i_size_read(inode) || F2FS_HAS_BLOCKS(inode))) return -EINVAL; if (iflags & F2FS_NOCOMP_FL) @@ -1832,8 +1835,8 @@ static int f2fs_setflags_common(struct inode *inode, u32 iflags, u32 mask) set_compress_context(inode); } } - if ((iflags ^ fi->i_flags) & F2FS_NOCOMP_FL) { - if (fi->i_flags & F2FS_COMPR_FL) + if ((iflags ^ masked_flags) & F2FS_NOCOMP_FL) { + if (masked_flags & F2FS_COMPR_FL) return -EINVAL; } -- 2.25.1.481.gfbce0eb801-goog