git://bbs.cooldavid.org / net-next-2.6.git / blame
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|---|---|---|
| 04dc1e88 BH |
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__ */ |