davinci: enable ARCH_HAS_HOLES_MEMORYMODEL for DaVinci
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / fs / exofs / pnfs.h
blob423033addd1fef0deb5fd7eb04339ecabc19ee2b
1 /*
2 * Copyright (C) 2008, 2009
3 * Boaz Harrosh <bharrosh@panasas.com>
5 * This file is part of exofs.
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.
13 /* FIXME: Remove this file once pnfs hits mainline */
15 #ifndef __EXOFS_PNFS_H__
16 #define __EXOFS_PNFS_H__
18 #if defined(CONFIG_PNFS)
21 /* FIXME: move this file to: linux/exportfs/pnfs_osd_xdr.h */
22 #include "../nfs/objlayout/pnfs_osd_xdr.h"
24 #else /* defined(CONFIG_PNFS) */
26 enum pnfs_iomode {
27 IOMODE_READ = 1,
28 IOMODE_RW = 2,
29 IOMODE_ANY = 3,
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 */
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;
49 #endif /* else defined(CONFIG_PNFS) */
51 #endif /* __EXOFS_PNFS_H__ */