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bc13d34757
reflink is a very complicated process, so it can't be integrated into one transaction. So if the system panic in the operation, we may leave a unfinished inode in the destication directory. So we will try to create an inode in orphan_dir first, reflink it to the src file and then move it to the destication file in the end. In that way we won't be afraid of any corruption during the reflink. This patch adds 2 functions for orphan_dir operation: 1. Create a new inode in orphand dir. 2. Move an inode to a target dir. Note: fsck.ocfs2 should work for us to remove the unfinished file in the orphan_dir. Signed-off-by: Tao Ma <tao.ma@oracle.com>
46 lines
1.5 KiB
C
46 lines
1.5 KiB
C
/* -*- mode: c; c-basic-offset: 8; -*-
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* vim: noexpandtab sw=8 ts=8 sts=0:
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*
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* namei.h
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*
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* Function prototypes
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*
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* Copyright (C) 2002, 2004 Oracle. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 021110-1307, USA.
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*/
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#ifndef OCFS2_NAMEI_H
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#define OCFS2_NAMEI_H
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extern const struct inode_operations ocfs2_dir_iops;
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struct dentry *ocfs2_get_parent(struct dentry *child);
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int ocfs2_orphan_del(struct ocfs2_super *osb,
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handle_t *handle,
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struct inode *orphan_dir_inode,
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struct inode *inode,
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struct buffer_head *orphan_dir_bh);
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int ocfs2_create_inode_in_orphan(struct inode *dir,
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int mode,
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struct inode **new_inode);
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int ocfs2_mv_orphaned_inode_to_new(struct inode *dir,
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struct inode *new_inode,
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struct dentry *new_dentry);
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#endif /* OCFS2_NAMEI_H */
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