patch-1.3.71 linux/include/linux/md.h

• Lines: 154
• Date: Sat Mar 2 21:21:51 1996
• Orig file: v1.3.70/linux/include/linux/md.h
• Orig date: Wed Feb 28 11:50:13 1996

diff -u --recursive --new-file v1.3.70/linux/include/linux/md.h linux/include/linux/md.h
@@ -148,153 +148,3 @@
 
 #endif __KERNEL__
 #endif _MD_H
-
-/*
-   md.h : Multiple Devices driver for Linux
-          Copyright (C) 1994, 1995 Marc ZYNGIER
-	  <zyngier@amertume.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/major.h>
-#include <linux/mm.h>
-#include <linux/ioctl.h>
-
-#define MD_VERSION "0.33"
-
-/* ioctls */
-#define REGISTER_DEV _IO (MD_MAJOR, 1)
-#define START_MD     _IO (MD_MAJOR, 2)
-#define STOP_MD      _IO (MD_MAJOR, 3)
-#define MD_INVALID   _IO (MD_MAJOR, 4)
-#define MD_VALID     _IO (MD_MAJOR, 5)
-
-/*
-   personalities :
-   Byte 0 : Chunk size factor
-   Byte 1 : Fault tolerance count for each physical device
-            (   0 means no fault tolerance,
-             0xFF means always tolerate faults)
-   Byte 2 : Personality
-   Byte 3 : Reserved.
- */
-
-#define FAULT_SHIFT       8
-#define PERSONALITY_SHIFT 16
-
-#define FACTOR_MASK       0xFFUL
-#define FAULT_MASK        0xFF00UL
-#define PERSONALITY_MASK  0xFF0000UL
-
-#define MD_RESERVED       0	/* Not used by now */
-#define LINEAR            (1UL << PERSONALITY_SHIFT)
-#define STRIPED           (2UL << PERSONALITY_SHIFT)
-#define STRIPPED          STRIPED /* Long lasting spelling mistake... */
-#define RAID0             STRIPED
-#define RAID1             (3UL << PERSONALITY_SHIFT)
-#define RAID5             (4UL << PERSONALITY_SHIFT)
-#define MAX_PERSONALITY   5
-
-#ifdef __KERNEL__
-
-#include <linux/config.h>
-#include <sys/types.h>
-#include <linux/fs.h>
-#include <linux/blkdev.h>
-
-#undef MD_COUNT_SIZE		/* Define this to have stats about
-				   chunk size in /proc/mdstat */
-#define MAX_REAL     8		/* Max number of physical dev per md dev */
-#define MAX_MD_DEV   4		/* Max number of md dev */
-
-#define FACTOR(a)         ((a)->repartition & FACTOR_MASK)
-#define MAX_FAULT(a)      (((a)->repartition & FAULT_MASK)>>8)
-#define PERSONALITY(a)    ((a)->repartition & PERSONALITY_MASK)
-
-#define FACTOR_SHIFT(a) (PAGE_SHIFT + (a) - 10)
-
-/* Invalidation modes */
-#define VALID          0
-#define INVALID_NEXT   1
-#define INVALID_ALWAYS 2
-#define INVALID        3	/* Only useful to md_valid_device */
-
-/* Return values from personalities to md driver */
-#define REDIRECTED_BHREQ 0 /* Redirected individual buffers
-			      (shouldn't be used anymore since 0.31) */
-#define REDIRECTED_REQ   1 /* Redirected whole request */
-#define REDIRECT_FAILED -1 /* For RAID-1 */
-
-struct real_dev
-{
-  kdev_t dev;			/* Device number */
-  int size;			/* Device size (in blocks) */
-  int offset;			/* Real device offset (in blocks) in md dev
-				   (only used in linear mode) */
-  struct inode *inode;		/* Lock inode */
-  int fault_count;		/* Fault counter for invalidation */
-  int invalid;			/* Indicate if the device is disabled :
-				   VALID          - valid
-				   INVALID_NEXT   - disabled for next access
-				   INVALID_ALWAYS - permanently disabled
-				   (for redundancy modes only) */
-};
-
-struct md_dev;
-
-struct md_personality
-{
-  char *name;
-  int (*map)(int minor, struct md_dev *md_dev, struct request *req);
-  int (*run)(int minor, struct md_dev *md_dev);
-  int (*stop)(int minor, struct md_dev *md_dev);
-  int (*status)(char *page, int minor, struct md_dev *md_dev);
-  int (*ioctl)(struct inode *inode, struct file *file,
-	       unsigned int cmd, unsigned long arg);
-  int max_invalid_dev;
-};
-
-struct md_dev
-{
-  struct md_personality *pers;
-  int repartition;
-  int invalid_dev_count;
-  int busy;
-  int nb_dev;
-  void *private;
-#ifdef MD_COUNT_SIZE
-  unsigned int smallest_count;
-  unsigned int biggest_count;
-  unsigned int equal_count;
-#endif
-};
-
-extern struct real_dev devices[MAX_MD_DEV][MAX_REAL];
-extern struct md_dev md_dev[MAX_MD_DEV];
-extern int md_size[MAX_MD_DEV];
-
-extern void make_md_request(struct request *pending, int n);
-extern char *partition_name (kdev_t dev);
-
-#if defined(CONFIG_MD_SUPPORT_RAID1) || defined(CONFIG_MD_SUPPORT_RAID5)
-extern int md_valid_device (int minor, kdev_t dev, int mode);
-extern int md_can_reemit (int minor);
-#endif
-
-extern int register_md_personality (int p_num, struct md_personality *p);
-extern int unregister_md_personality (int p_num);
-
-#endif __KERNEL__
-#endif _MD_H