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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 | ||
89be5030 | 18 | #if ! defined(__PNFS_OSD_XDR_H__) |
04dc1e88 BH |
19 | |
20 | enum pnfs_iomode { | |
21 | IOMODE_READ = 1, | |
22 | IOMODE_RW = 2, | |
23 | IOMODE_ANY = 3, | |
24 | }; | |
25 | ||
26 | /* Layout Structure */ | |
27 | enum 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 | ||
34 | struct 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 | ||
89be5030 | 43 | #endif /* ! defined(__PNFS_OSD_XDR_H__) */ |
04dc1e88 BH |
44 | |
45 | #endif /* __EXOFS_PNFS_H__ */ |