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