Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756810Ab2JWIUs (ORCPT ); Tue, 23 Oct 2012 04:20:48 -0400 Received: from mail-ee0-f46.google.com ([74.125.83.46]:46668 "EHLO mail-ee0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751728Ab2JWIUq (ORCPT ); Tue, 23 Oct 2012 04:20:46 -0400 MIME-Version: 1.0 In-Reply-To: <009c01cdb0f2$812b5f90$83821eb0$%kim@samsung.com> References: <001001cdb0c5$2ac96520$805c2f60$%kim@samsung.com> <001b01cdb0c6$67e386b0$37aa9410$%kim@samsung.com> <009c01cdb0f2$812b5f90$83821eb0$%kim@samsung.com> Date: Tue, 23 Oct 2012 10:20:44 +0200 Message-ID: Subject: Re: [PATCH 11/16 v2] f2fs: add inode operations for special inodes From: Marco Stornelli To: Jaegeuk Kim Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, gregkh@linuxfoundation.org, viro@zeniv.linux.org.uk, arnd@arndb.de, tytso@mit.edu, chur.lee@samsung.com, cm224.lee@samsung.com, jooyoung.hwang@samsung.com Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4019 Lines: 121 2012/10/23 Jaegeuk Kim : > >> -----Original Message----- >> From: Marco Stornelli [mailto:marco.stornelli@gmail.com] >> Sent: Tuesday, October 23, 2012 4:02 PM >> To: Jaegeuk Kim >> Cc: linux-fsdevel@vger.kernel.org; linux-kernel@vger.kernel.org; gregkh@linuxfoundation.org; >> viro@zeniv.linux.org.uk; arnd@arndb.de; tytso@mit.edu; chur.lee@samsung.com; cm224.lee@samsung.com; >> jooyoung.hwang@samsung.com >> Subject: Re: [PATCH 11/16 v2] f2fs: add inode operations for special inodes >> Importance: High >> >> 2012/10/23 Jaegeuk Kim : >> > This adds inode operations for directory, symlink, and special inodes. >> > >> > Signed-off-by: Changman Lee >> > Signed-off-by: Jaegeuk Kim >> > --- >> > fs/f2fs/namei.c | 494 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ >> > 1 file changed, 494 insertions(+) >> > create mode 100644 fs/f2fs/namei.c >> > >> > diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c >> > new file mode 100644 >> > index 0000000..899d144 >> > --- /dev/null >> > +++ b/fs/f2fs/namei.c >> > @@ -0,0 +1,494 @@ >> > +/** >> > + * fs/f2fs/namei.c >> > + * >> > + * Copyright (c) 2012 Samsung Electronics Co., Ltd. >> > + * http://www.samsung.com/ >> > + * >> > + * This program is free software; you can redistribute it and/or modify >> > + * it under the terms of the GNU General Public License version 2 as >> > + * published by the Free Software Foundation. >> > + */ >> > +#include >> > +#include >> > +#include >> > +#include >> > +#include >> > + >> > +#include "f2fs.h" >> > +#include "xattr.h" >> > +#include "acl.h" >> > + >> > +static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode) >> > +{ >> > + struct super_block *sb = dir->i_sb; >> > + struct f2fs_sb_info *sbi = F2FS_SB(sb); >> > + nid_t ino; >> > + struct inode *inode; >> > + bool nid_free = false; >> > + int err; >> > + >> > + inode = new_inode(sb); >> > + if (!inode) >> > + return ERR_PTR(-ENOMEM); >> > + >> > + mutex_lock_op(sbi, NODE_NEW); >> > + if (!alloc_nid(sbi, &ino)) { >> > + mutex_unlock_op(sbi, NODE_NEW); >> > + err = -ENOSPC; >> > + goto fail; >> > + } >> > + mutex_unlock_op(sbi, NODE_NEW); >> > + >> > + inode->i_uid = current_fsuid(); >> > + >> > + if (dir->i_mode & S_ISGID) { >> > + inode->i_gid = dir->i_gid; >> > + if (S_ISDIR(mode)) >> > + mode |= S_ISGID; >> > + } else { >> > + inode->i_gid = current_fsgid(); >> > + } >> > + >> > + inode->i_ino = ino; >> > + inode->i_mode = mode; >> > + inode->i_blocks = 0; >> > + inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; >> > + >> > + err = insert_inode_locked(inode); >> > + if (err) { >> > + err = -EINVAL; >> > + nid_free = true; >> > + goto out; >> > + } >> > + >> > + mark_inode_dirty(inode); >> > + return inode; >> > + >> > +out: >> > + clear_nlink(inode); >> > + unlock_new_inode(inode); >> > +fail: >> > + iput(inode); >> >> make_bad_inode here? > > I wanted to call f2fs_evict_inode() at this moment. > - f2fs_evict_inode() > - remove_inode_page() > -> check any erroneous conditions. > > Got coffee? :) > Not yet, I'm reading my 240 email yet :) I meant not to replace iput but to add make_bad_inode() before (I don't know if it was clear). I don't know if it's the right thing to do. In case of "out" I'd do the "rollback" here. Marco -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/