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>

diff --git a/fs/ocfs2/Makefile b/fs/ocfs2/Makefile
index d8a0313e99e6af42b8412e91bb44cb2d7bb410b8..f17e58b32989a53f4f0413065bbd5e07d7901d5d 100644 (file)
--- a/fs/ocfs2/Makefile
+++ b/fs/ocfs2/Makefile
@@ -30,6 +30,7 @@ ocfs2-objs := \
        namei.o                 \
        refcounttree.o          \
        reservations.o          \
+       move_extents.o          \
        resize.o                \
        slot_map.o              \
        suballoc.o              \

diff --git a/fs/ocfs2/move_extents.c b/fs/ocfs2/move_extents.c
new file mode 100644 (file)
index 0000000..6311c15
--- /dev/null
+++ b/fs/ocfs2/move_extents.c
@@ -0,0 +1,56 @@
+/* -*- 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;
+};

diff --git a/fs/ocfs2/move_extents.h b/fs/ocfs2/move_extents.h
new file mode 100644 (file)
index 0000000..27570f7
--- /dev/null
+++ b/fs/ocfs2/move_extents.h
@@ -0,0 +1,20 @@
+/* -*- 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 */