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author | Tristan Ye <tristan.ye@oracle.com> | 2011-05-24 16:42:09 +0800 |
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committer | Tristan Ye <tristan.ye@oracle.com> | 2011-05-25 15:17:08 +0800 |
commit | 028ba5df63fa9fc18045bc1e9b48cdd43727e1c5 (patch) | |
tree | 2a3f20f03a0f82bc2ffd87b68b1649823b178e63 /fs/ocfs2 | |
parent | 220ebc4334326bc23e4c4c3f076dc5a58ec293f6 (diff) | |
download | lwn-028ba5df63fa9fc18045bc1e9b48cdd43727e1c5.tar.gz lwn-028ba5df63fa9fc18045bc1e9b48cdd43727e1c5.zip |
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')
-rw-r--r-- | fs/ocfs2/Makefile | 1 | ||||
-rw-r--r-- | fs/ocfs2/move_extents.c | 56 | ||||
-rw-r--r-- | fs/ocfs2/move_extents.h | 20 |
3 files changed, 77 insertions, 0 deletions
diff --git a/fs/ocfs2/Makefile b/fs/ocfs2/Makefile index d8a0313e99e6..f17e58b32989 100644 --- 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 index 000000000000..6311c15356f7 --- /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 index 000000000000..27570f7f6909 --- /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 */ |