52 lines
1 KiB
C
52 lines
1 KiB
C
![]() |
/*
|
||
|
* 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(CONFIG_PNFS)
|
||
|
|
||
|
|
||
|
/* FIXME: move this file to: linux/exportfs/pnfs_osd_xdr.h */
|
||
|
#include "../nfs/objlayout/pnfs_osd_xdr.h"
|
||
|
|
||
|
#else /* defined(CONFIG_PNFS) */
|
||
|
|
||
|
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 /* else defined(CONFIG_PNFS) */
|
||
|
|
||
|
#endif /* __EXOFS_PNFS_H__ */
|