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authorAndrea Bastoni <bastoni@cs.unc.edu>2010-05-30 19:16:45 -0400
committerAndrea Bastoni <bastoni@cs.unc.edu>2010-05-30 19:16:45 -0400
commitada47b5fe13d89735805b566185f4885f5a3f750 (patch)
tree644b88f8a71896307d71438e9b3af49126ffb22b /fs/exofs/pnfs.h
parent43e98717ad40a4ae64545b5ba047c7b86aa44f4f (diff)
parent3280f21d43ee541f97f8cda5792150d2dbec20d5 (diff)
Merge branch 'wip-2.6.34' into old-private-masterarchived-private-master
Diffstat (limited to 'fs/exofs/pnfs.h')
-rw-r--r--fs/exofs/pnfs.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/fs/exofs/pnfs.h b/fs/exofs/pnfs.h
new file mode 100644
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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__ */