You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
97 lines
3.2 KiB
97 lines
3.2 KiB
/*
|
|
md.h : Multiple Devices driver for Linux
|
|
Copyright (C) 1996-98 Ingo Molnar, Gadi Oxman
|
|
Copyright (C) 1994-96 Marc ZYNGIER
|
|
<zyngier@ufr-info-p7.ibp.fr> or
|
|
<maz@gloups.fdn.fr>
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2, or (at your option)
|
|
any later version.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
(for example /usr/src/linux/COPYING); if not, write to the Free
|
|
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
|
|
#ifndef _MD_H
|
|
#define _MD_H
|
|
|
|
#include <linux/blkdev.h>
|
|
#include <asm/semaphore.h>
|
|
#include <linux/major.h>
|
|
#include <linux/ioctl.h>
|
|
#include <linux/types.h>
|
|
#include <linux/bitops.h>
|
|
#include <linux/module.h>
|
|
#include <linux/hdreg.h>
|
|
#include <linux/proc_fs.h>
|
|
#include <linux/seq_file.h>
|
|
#include <linux/smp_lock.h>
|
|
#include <linux/delay.h>
|
|
#include <net/checksum.h>
|
|
#include <linux/random.h>
|
|
#include <linux/kernel_stat.h>
|
|
#include <asm/io.h>
|
|
#include <linux/completion.h>
|
|
#include <linux/mempool.h>
|
|
#include <linux/list.h>
|
|
#include <linux/reboot.h>
|
|
#include <linux/vmalloc.h>
|
|
#include <linux/blkpg.h>
|
|
#include <linux/bio.h>
|
|
|
|
/*
|
|
* 'md_p.h' holds the 'physical' layout of RAID devices
|
|
* 'md_u.h' holds the user <=> kernel API
|
|
*
|
|
* 'md_k.h' holds kernel internal definitions
|
|
*/
|
|
|
|
#include <linux/raid/md_p.h>
|
|
#include <linux/raid/md_u.h>
|
|
#include <linux/raid/md_k.h>
|
|
|
|
/*
|
|
* Different major versions are not compatible.
|
|
* Different minor versions are only downward compatible.
|
|
* Different patchlevel versions are downward and upward compatible.
|
|
*/
|
|
#define MD_MAJOR_VERSION 0
|
|
#define MD_MINOR_VERSION 90
|
|
/*
|
|
* MD_PATCHLEVEL_VERSION indicates kernel functionality.
|
|
* >=1 means different superblock formats are selectable using SET_ARRAY_INFO
|
|
* and major_version/minor_version accordingly
|
|
* >=2 means that Internal bitmaps are supported by setting MD_SB_BITMAP_PRESENT
|
|
* in the super status byte
|
|
*/
|
|
#define MD_PATCHLEVEL_VERSION 2
|
|
|
|
extern int register_md_personality (int p_num, mdk_personality_t *p);
|
|
extern int unregister_md_personality (int p_num);
|
|
extern mdk_thread_t * md_register_thread (void (*run) (mddev_t *mddev),
|
|
mddev_t *mddev, const char *name);
|
|
extern void md_unregister_thread (mdk_thread_t *thread);
|
|
extern void md_wakeup_thread(mdk_thread_t *thread);
|
|
extern void md_check_recovery(mddev_t *mddev);
|
|
extern void md_write_start(mddev_t *mddev, struct bio *bi);
|
|
extern void md_write_end(mddev_t *mddev);
|
|
extern void md_handle_safemode(mddev_t *mddev);
|
|
extern void md_done_sync(mddev_t *mddev, int blocks, int ok);
|
|
extern void md_error (mddev_t *mddev, mdk_rdev_t *rdev);
|
|
extern void md_unplug_mddev(mddev_t *mddev);
|
|
|
|
extern void md_print_devices (void);
|
|
|
|
extern void md_super_write(mddev_t *mddev, mdk_rdev_t *rdev,
|
|
sector_t sector, int size, struct page *page);
|
|
extern int sync_page_io(struct block_device *bdev, sector_t sector, int size,
|
|
struct page *page, int rw);
|
|
|
|
|
|
#define MD_BUG(x...) { printk("md: bug in file %s, line %d\n", __FILE__, __LINE__); md_print_devices(); }
|
|
|
|
#endif
|
|
|
|
|