Commit 028ba5df authored by Tristan Ye's avatar Tristan Ye
Browse files

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: default avatarTristan Ye <tristan.ye@oracle.com>
parent 220ebc43

fs/ocfs2/Makefile

+1 −0
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@@ -30,6 +30,7 @@ ocfs2-objs := \ 
	namei.o 		\

	refcounttree.o		\

	reservations.o		\

	move_extents.o		\

	resize.o		\

	slot_map.o 		\

	suballoc.o 		\

fs/ocfs2/move_extents.c

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/* -*- mode: c; c-basic-offset: 8; -*-

 * vim: noexpandtab sw=8 ts=8 sts=0:

 *

 * move_extents.c

 *

 * Copyright (C) 2011 Oracle.  All rights reserved.

 *

 * 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.

 *

 * This program 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.

 */

#include <linux/fs.h>

#include <linux/types.h>

#include <linux/mount.h>

#include <linux/swap.h>



#include <cluster/masklog.h>



#include "ocfs2.h"

#include "ocfs2_ioctl.h"



#include "alloc.h"

#include "aops.h"

#include "dlmglue.h"

#include "extent_map.h"

#include "inode.h"

#include "journal.h"

#include "suballoc.h"

#include "uptodate.h"

#include "super.h"

#include "dir.h"

#include "buffer_head_io.h"

#include "sysfile.h"

#include "suballoc.h"

#include "refcounttree.h"

#include "move_extents.h"



struct ocfs2_move_extents_context {

	struct inode *inode;

	struct file *file;

	int auto_defrag;

	int credits;

	u32 new_phys_cpos;

	u32 clusters_moved;

	u64 refcount_loc;

	struct ocfs2_move_extents *range;

	struct ocfs2_extent_tree et;

	struct ocfs2_alloc_context *meta_ac;

	struct ocfs2_alloc_context *data_ac;

	struct ocfs2_cached_dealloc_ctxt dealloc;

};

fs/ocfs2/move_extents.h

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/* -*- mode: c; c-basic-offset: 8; -*-

 * vim: noexpandtab sw=8 ts=8 sts=0:

 *

 * move_extents.h

 *

 * Copyright (C) 2011 Oracle.  All rights reserved.

 *

 * 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.

 *

 * This program 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.

 */

#ifndef OCFS2_MOVE_EXTENTS_H

#define OCFS2_MOVE_EXTENTS_H



#endif /* OCFS2_MOVE_EXTENTS_H */