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Ocfs2/move_extents: Add basic framework and source files for extent moving.
Adding new files move_extents.[c|h] and fill it with nothing but
only a context structure.
Signed-off-by: Tristan Ye <tristan.ye@oracle.com>
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fs/ocfs2/Makefile
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fs/ocfs2/Makefile
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fs/ocfs2/move_extents.c
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fs/ocfs2/move_extents.c
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/* -*- 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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* move_extents.c
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*
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* Copyright (C) 2011 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 version 2 as published by the Free Software Foundation.
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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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#include <linux/fs.h>
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#include <linux/types.h>
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#include <linux/mount.h>
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#include <linux/swap.h>
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#include <cluster/masklog.h>
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#include "ocfs2.h"
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#include "ocfs2_ioctl.h"
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#include "alloc.h"
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#include "aops.h"
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#include "dlmglue.h"
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#include "extent_map.h"
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#include "inode.h"
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#include "journal.h"
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#include "suballoc.h"
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#include "uptodate.h"
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#include "super.h"
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#include "dir.h"
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#include "buffer_head_io.h"
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#include "sysfile.h"
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#include "suballoc.h"
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#include "refcounttree.h"
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#include "move_extents.h"
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struct ocfs2_move_extents_context {
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struct inode *inode;
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struct file *file;
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int auto_defrag;
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int credits;
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u32 new_phys_cpos;
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u32 clusters_moved;
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u64 refcount_loc;
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struct ocfs2_move_extents *range;
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struct ocfs2_extent_tree et;
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struct ocfs2_alloc_context *meta_ac;
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struct ocfs2_alloc_context *data_ac;
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struct ocfs2_cached_dealloc_ctxt dealloc;
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};
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fs/ocfs2/move_extents.h
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fs/ocfs2/move_extents.h
···
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/* -*- 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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* move_extents.h
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*
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* Copyright (C) 2011 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 version 2 as published by the Free Software Foundation.
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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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#ifndef OCFS2_MOVE_EXTENTS_H
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#define OCFS2_MOVE_EXTENTS_H
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#endif /* OCFS2_MOVE_EXTENTS_H */