| Boaz Harrosh | 04dc1e8 | 2009-11-16 16:03:05 +0200 | [diff] [blame] | 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(CONFIG_PNFS) |
| 19 | |
| 20 | |
| 21 | /* FIXME: move this file to: linux/exportfs/pnfs_osd_xdr.h */ |
| 22 | #include "../nfs/objlayout/pnfs_osd_xdr.h" |
| 23 | |
| 24 | #else /* defined(CONFIG_PNFS) */ |
| 25 | |
| 26 | enum pnfs_iomode { |
| 27 | IOMODE_READ = 1, |
| 28 | IOMODE_RW = 2, |
| 29 | IOMODE_ANY = 3, |
| 30 | }; |
| 31 | |
| 32 | /* Layout Structure */ |
| 33 | enum pnfs_osd_raid_algorithm4 { |
| 34 | PNFS_OSD_RAID_0 = 1, |
| 35 | PNFS_OSD_RAID_4 = 2, |
| 36 | PNFS_OSD_RAID_5 = 3, |
| 37 | PNFS_OSD_RAID_PQ = 4 /* Reed-Solomon P+Q */ |
| 38 | }; |
| 39 | |
| 40 | struct pnfs_osd_data_map { |
| 41 | u32 odm_num_comps; |
| 42 | u64 odm_stripe_unit; |
| 43 | u32 odm_group_width; |
| 44 | u32 odm_group_depth; |
| 45 | u32 odm_mirror_cnt; |
| 46 | u32 odm_raid_algorithm; |
| 47 | }; |
| 48 | |
| 49 | #endif /* else defined(CONFIG_PNFS) */ |
| 50 | |
| 51 | #endif /* __EXOFS_PNFS_H__ */ |