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-rw-r--r--fs/exofs/pnfs.h45
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diff --git a/fs/exofs/pnfs.h b/fs/exofs/pnfs.h
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1/*
2 * Copyright (C) 2008, 2009
3 * Boaz Harrosh <bharrosh@panasas.com>
4 *
5 * This file is part of exofs.
6 *
7 * exofs is free software; you can redistribute it and/or modify it under the
8 * terms of the GNU General Public License version 2 as published by the Free
9 * Software Foundation.
10 *
11 */
12
13/* FIXME: Remove this file once pnfs hits mainline */
14
15#ifndef __EXOFS_PNFS_H__
16#define __EXOFS_PNFS_H__
17
18#if ! defined(__PNFS_OSD_XDR_H__)
19
20enum pnfs_iomode {
21 IOMODE_READ = 1,
22 IOMODE_RW = 2,
23 IOMODE_ANY = 3,
24};
25
26/* Layout Structure */
27enum pnfs_osd_raid_algorithm4 {
28 PNFS_OSD_RAID_0 = 1,
29 PNFS_OSD_RAID_4 = 2,
30 PNFS_OSD_RAID_5 = 3,
31 PNFS_OSD_RAID_PQ = 4 /* Reed-Solomon P+Q */
32};
33
34struct pnfs_osd_data_map {
35 u32 odm_num_comps;
36 u64 odm_stripe_unit;
37 u32 odm_group_width;
38 u32 odm_group_depth;
39 u32 odm_mirror_cnt;
40 u32 odm_raid_algorithm;
41};
42
43#endif /* ! defined(__PNFS_OSD_XDR_H__) */
44
45#endif /* __EXOFS_PNFS_H__ */