From patchwork Tue May 5 05:21:52 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Al Viro X-Patchwork-Id: 6334591 Return-Path: X-Original-To: patchwork-linux-fsdevel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 9E5D49F32E for ; Tue, 5 May 2015 05:31:44 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9A15F20268 for ; Tue, 5 May 2015 05:31:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8522C20266 for ; Tue, 5 May 2015 05:31:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755874AbbEEF22 (ORCPT ); Tue, 5 May 2015 01:28:28 -0400 Received: from zeniv.linux.org.uk ([195.92.253.2]:40098 "EHLO ZenIV.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755698AbbEEFXZ (ORCPT ); Tue, 5 May 2015 01:23:25 -0400 Received: from viro by ZenIV.linux.org.uk with local (Exim 4.76 #1 (Red Hat Linux)) id 1YpVJn-0001Jc-Oh; Tue, 05 May 2015 05:22:55 +0000 From: Al Viro To: Linus Torvalds Cc: Neil Brown , Christoph Hellwig , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: [PATCH 18/79] exofs: switch to {simple, page}_symlink_inode_operations Date: Tue, 5 May 2015 06:21:52 +0100 Message-Id: <1430803373-4948-18-git-send-email-viro@ZenIV.linux.org.uk> X-Mailer: git-send-email 1.7.7.6 In-Reply-To: <20150505052205.GS889@ZenIV.linux.org.uk> References: <20150505052205.GS889@ZenIV.linux.org.uk> Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Al Viro Signed-off-by: Al Viro --- fs/exofs/Kbuild | 2 +- fs/exofs/exofs.h | 4 ---- fs/exofs/inode.c | 9 +++++---- fs/exofs/namei.c | 5 +++-- fs/exofs/symlink.c | 55 ------------------------------------------------------ 5 files changed, 9 insertions(+), 66 deletions(-) delete mode 100644 fs/exofs/symlink.c diff --git a/fs/exofs/Kbuild b/fs/exofs/Kbuild index b47c7b8..a364fd0 100644 --- a/fs/exofs/Kbuild +++ b/fs/exofs/Kbuild @@ -16,5 +16,5 @@ libore-y := ore.o ore_raid.o obj-$(CONFIG_ORE) += libore.o -exofs-y := inode.o file.o symlink.o namei.o dir.o super.o sys.o +exofs-y := inode.o file.o namei.o dir.o super.o sys.o obj-$(CONFIG_EXOFS_FS) += exofs.o diff --git a/fs/exofs/exofs.h b/fs/exofs/exofs.h index ad9cac6..2e86086 100644 --- a/fs/exofs/exofs.h +++ b/fs/exofs/exofs.h @@ -207,10 +207,6 @@ extern const struct address_space_operations exofs_aops; extern const struct inode_operations exofs_dir_inode_operations; extern const struct inode_operations exofs_special_inode_operations; -/* symlink.c */ -extern const struct inode_operations exofs_symlink_inode_operations; -extern const struct inode_operations exofs_fast_symlink_inode_operations; - /* exofs_init_comps will initialize an ore_components device array * pointing to a single ore_comp struct, and a round-robin view * of the device table. diff --git a/fs/exofs/inode.c b/fs/exofs/inode.c index 786e4cc..73c64da 100644 --- a/fs/exofs/inode.c +++ b/fs/exofs/inode.c @@ -1222,10 +1222,11 @@ struct inode *exofs_iget(struct super_block *sb, unsigned long ino) inode->i_fop = &exofs_dir_operations; inode->i_mapping->a_ops = &exofs_aops; } else if (S_ISLNK(inode->i_mode)) { - if (exofs_inode_is_fast_symlink(inode)) - inode->i_op = &exofs_fast_symlink_inode_operations; - else { - inode->i_op = &exofs_symlink_inode_operations; + if (exofs_inode_is_fast_symlink(inode)) { + inode->i_op = &simple_symlink_inode_operations; + inode->i_link = (char *)oi->i_data; + } else { + inode->i_op = &page_symlink_inode_operations; inode->i_mapping->a_ops = &exofs_aops; } } else { diff --git a/fs/exofs/namei.c b/fs/exofs/namei.c index 5ae25e4..09a6bb1 100644 --- a/fs/exofs/namei.c +++ b/fs/exofs/namei.c @@ -113,7 +113,7 @@ static int exofs_symlink(struct inode *dir, struct dentry *dentry, oi = exofs_i(inode); if (l > sizeof(oi->i_data)) { /* slow symlink */ - inode->i_op = &exofs_symlink_inode_operations; + inode->i_op = &page_symlink_inode_operations; inode->i_mapping->a_ops = &exofs_aops; memset(oi->i_data, 0, sizeof(oi->i_data)); @@ -122,7 +122,8 @@ static int exofs_symlink(struct inode *dir, struct dentry *dentry, goto out_fail; } else { /* fast symlink */ - inode->i_op = &exofs_fast_symlink_inode_operations; + inode->i_op = &simple_symlink_inode_operations; + inode->i_link = (char *)oi->i_data; memcpy(oi->i_data, symname, l); inode->i_size = l-1; } diff --git a/fs/exofs/symlink.c b/fs/exofs/symlink.c deleted file mode 100644 index 6f6f3a4..0000000 --- a/fs/exofs/symlink.c +++ /dev/null @@ -1,55 +0,0 @@ -/* - * Copyright (C) 2005, 2006 - * Avishay Traeger (avishay@gmail.com) - * Copyright (C) 2008, 2009 - * Boaz Harrosh - * - * Copyrights for code taken from ext2: - * Copyright (C) 1992, 1993, 1994, 1995 - * Remy Card (card@masi.ibp.fr) - * Laboratoire MASI - Institut Blaise Pascal - * Universite Pierre et Marie Curie (Paris VI) - * from - * linux/fs/minix/inode.c - * Copyright (C) 1991, 1992 Linus Torvalds - * - * This file is part of exofs. - * - * exofs is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation. Since it is based on ext2, and the only - * valid version of GPL for the Linux kernel is version 2, the only valid - * version of GPL for exofs is version 2. - * - * exofs is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with exofs; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include - -#include "exofs.h" - -static void *exofs_follow_link(struct dentry *dentry, struct nameidata *nd) -{ - struct exofs_i_info *oi = exofs_i(d_inode(dentry)); - - nd_set_link(nd, (char *)oi->i_data); - return NULL; -} - -const struct inode_operations exofs_symlink_inode_operations = { - .readlink = generic_readlink, - .follow_link = page_follow_link_light, - .put_link = page_put_link, -}; - -const struct inode_operations exofs_fast_symlink_inode_operations = { - .readlink = generic_readlink, - .follow_link = exofs_follow_link, -};