original development tree for Linux kernel GTP module; now long in mainline.
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/*
* 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__ */