| /* |
| * Copyright (C) 2008, 2009 |
| * Boaz Harrosh <bharrosh@panasas.com> |
| * |
| * This file is part of exofs. |
| * |
| * exofs is free software; you can redistribute it and/or modify it under the |
| * terms of the GNU General Public License version 2 as published by the Free |
| * Software Foundation. |
| * |
| */ |
| |
| /* FIXME: Remove this file once pnfs hits mainline */ |
| |
| #ifndef __EXOFS_PNFS_H__ |
| #define __EXOFS_PNFS_H__ |
| |
| #if ! defined(__PNFS_OSD_XDR_H__) |
| |
| enum pnfs_iomode { |
| IOMODE_READ = 1, |
| IOMODE_RW = 2, |
| IOMODE_ANY = 3, |
| }; |
| |
| /* Layout Structure */ |
| enum pnfs_osd_raid_algorithm4 { |
| PNFS_OSD_RAID_0 = 1, |
| PNFS_OSD_RAID_4 = 2, |
| PNFS_OSD_RAID_5 = 3, |
| PNFS_OSD_RAID_PQ = 4 /* Reed-Solomon P+Q */ |
| }; |
| |
| struct pnfs_osd_data_map { |
| u32 odm_num_comps; |
| u64 odm_stripe_unit; |
| u32 odm_group_width; |
| u32 odm_group_depth; |
| u32 odm_mirror_cnt; |
| u32 odm_raid_algorithm; |
| }; |
| |
| #endif /* ! defined(__PNFS_OSD_XDR_H__) */ |
| |
| #endif /* __EXOFS_PNFS_H__ */ |
