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- /*
- * Copyright (C) from 2011
- * Boaz Harrosh <ooo@electrozaur.com>
- *
- * This file is part of the objects raid engine (ore).
- *
- * It 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with "ore". If not, write to the Free Software Foundation, Inc:
- * "Free Software Foundation <info@fsf.org>"
- */
- #include <scsi/osd_ore.h>
- #define ORE_ERR(fmt, a...) printk(KERN_ERR "ore: " fmt, ##a)
- #ifdef CONFIG_EXOFS_DEBUG
- #define ORE_DBGMSG(fmt, a...) \
- printk(KERN_NOTICE "ore @%s:%d: " fmt, __func__, __LINE__, ##a)
- #else
- #define ORE_DBGMSG(fmt, a...) \
- do { if (0) printk(fmt, ##a); } while (0)
- #endif
- /* u64 has problems with printk this will cast it to unsigned long long */
- #define _LLU(x) (unsigned long long)(x)
- #define ORE_DBGMSG2(M...) do {} while (0)
- /* #define ORE_DBGMSG2 ORE_DBGMSG */
- /* ios_raid.c stuff needed by ios.c */
- int _ore_post_alloc_raid_stuff(struct ore_io_state *ios);
- void _ore_free_raid_stuff(struct ore_io_state *ios);
- void _ore_add_sg_seg(struct ore_per_dev_state *per_dev, unsigned cur_len,
- bool not_last);
- int _ore_add_parity_unit(struct ore_io_state *ios, struct ore_striping_info *si,
- struct ore_per_dev_state *per_dev, unsigned cur_len,
- bool do_xor);
- void _ore_add_stripe_page(struct __stripe_pages_2d *sp2d,
- struct ore_striping_info *si, struct page *page);
- static inline void _add_stripe_page(struct __stripe_pages_2d *sp2d,
- struct ore_striping_info *si, struct page *page)
- {
- if (!sp2d) /* Inline the fast path */
- return; /* Hay no raid stuff */
- _ore_add_stripe_page(sp2d, si, page);
- }
- /* ios.c stuff needed by ios_raid.c */
- int _ore_get_io_state(struct ore_layout *layout,
- struct ore_components *oc, unsigned numdevs,
- unsigned sgs_per_dev, unsigned num_par_pages,
- struct ore_io_state **pios);
- int _ore_add_stripe_unit(struct ore_io_state *ios, unsigned *cur_pg,
- unsigned pgbase, struct page **pages,
- struct ore_per_dev_state *per_dev, int cur_len);
- int _ore_read_mirror(struct ore_io_state *ios, unsigned cur_comp);
- int ore_io_execute(struct ore_io_state *ios);
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