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authorTristan Ye <tristan.ye@oracle.com>2011-05-24 16:42:09 +0800
committerTristan Ye <tristan.ye@oracle.com>2011-05-25 15:17:08 +0800
commit028ba5df63fa9fc18045bc1e9b48cdd43727e1c5 (patch)
tree2a3f20f03a0f82bc2ffd87b68b1649823b178e63 /fs/ocfs2/move_extents.c
parent220ebc4334326bc23e4c4c3f076dc5a58ec293f6 (diff)
downloadop-kernel-dev-028ba5df63fa9fc18045bc1e9b48cdd43727e1c5.zip
op-kernel-dev-028ba5df63fa9fc18045bc1e9b48cdd43727e1c5.tar.gz
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>
Diffstat (limited to 'fs/ocfs2/move_extents.c')
-rw-r--r--fs/ocfs2/move_extents.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/fs/ocfs2/move_extents.c b/fs/ocfs2/move_extents.c
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+++ b/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;
+};
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