patch-2.1.121 linux/include/linux/adfs_fs_fs.h

• Lines: 178
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.1.120/linux/include/linux/adfs_fs_fs.h
• Orig date: Fri Jan 30 11:28:10 1998

diff -u --recursive --new-file v2.1.120/linux/include/linux/adfs_fs_fs.h linux/include/linux/adfs_fs_fs.h
@@ -1,177 +0,0 @@
-#ifndef _ADFS_FS_H
-#define _ADFS_FS_H
-
-#include <linux/types.h>
-/*
- * Structures of data on the disk
- */
-
-/*
- * Disc Record at disc address 0xc00
- */
-struct adfs_discrecord {
-    unsigned char  log2secsize;
-    unsigned char  secspertrack;
-    unsigned char  heads;
-    unsigned char  density;
-    unsigned char  idlen;
-    unsigned char  log2bpmb;
-    unsigned char  skew;
-    unsigned char  bootoption;
-    unsigned char  lowsector;
-    unsigned char  nzones;
-    unsigned short zone_spare;
-    unsigned long  root;
-    unsigned long  disc_size;
-    unsigned short disc_id;
-    unsigned char  disc_name[10];
-    unsigned long  disc_type;
-    unsigned long  disc_size_high;
-    unsigned char  log2sharesize:4;
-    unsigned char  unused:4;
-    unsigned char  big_flag:1;
-};
-
-#define ADFS_DISCRECORD		(0xc00)
-#define ADFS_DR_OFFSET		(0x1c0)
-#define ADFS_DR_SIZE		 60
-#define ADFS_SUPER_MAGIC	 0xadf5
-#define ADFS_FREE_FRAG		 0
-#define ADFS_BAD_FRAG		 1
-#define ADFS_ROOT_FRAG		 2
-
-/*
- * Directory header
- */
-struct adfs_dirheader {
-	unsigned char startmasseq;
-	unsigned char startname[4];
-};
-
-#define ADFS_NEWDIR_SIZE	2048
-#define ADFS_OLDDIR_SIZE	1024
-#define ADFS_NUM_DIR_ENTRIES	77
-
-/*
- * Directory entries
- */
-struct adfs_direntry {
-	char dirobname[10];
-#define ADFS_NAME_LEN 10
-	__u8 dirload[4];
-	__u8 direxec[4];
-	__u8 dirlen[4];
-	__u8 dirinddiscadd[3];
-	__u8 newdiratts;
-#define ADFS_NDA_OWNER_READ	(1 << 0)
-#define ADFS_NDA_OWNER_WRITE	(1 << 1)
-#define ADFS_NDA_LOCKED		(1 << 2)
-#define ADFS_NDA_DIRECTORY	(1 << 3)
-#define ADFS_NDA_EXECUTE	(1 << 4)
-#define ADFS_NDA_PUBLIC_READ	(1 << 5)
-#define ADFS_NDA_PUBLIC_WRITE	(1 << 6)
-};
-
-#define ADFS_MAX_NAME_LEN	255
-struct adfs_idir_entry {
-	__u32		inode_no;			/* Address		*/
-	__u32		file_id;			/* file id		*/
-	__u32		name_len;			/* name length		*/
-	__u32		size;				/* size			*/
-	__u32		mtime;				/* modification time	*/
-	__u32		filetype;			/* RiscOS file type	*/
-	__u8		mode;				/* internal mode	*/
-	char		name[ADFS_MAX_NAME_LEN];	/* file name		*/
-};
-
-/*
- * Directory tail
- */
-union adfs_dirtail {
-	struct {
-		unsigned char dirlastmask;
-		char dirname[10];
-		unsigned char dirparent[3];
-		char dirtitle[19];
-		unsigned char reserved[14];
-		unsigned char endmasseq;
-		unsigned char endname[4];
-		unsigned char dircheckbyte;
-	} old;
-	struct {
-		unsigned char dirlastmask;
-		unsigned char reserved[2];
-		unsigned char dirparent[3];
-		char dirtitle[19];
-		char dirname[10];
-		unsigned char endmasseq;
-		unsigned char endname[4];
-		unsigned char dircheckbyte;
-	} new;
-};
-
-#ifdef __KERNEL__
-/*
- * Calculate the boot block checksum on an ADFS drive.  Note that this will
- * appear to be correct if the sector contains all zeros, so also check that
- * the disk size is non-zero!!!
- */
-extern inline int adfs_checkbblk (unsigned char *ptr)
-{
-    unsigned int result = 0;
-    unsigned char *p = ptr + 511;
-
-    do {
-	result = (result & 0xff) + (result >> 8);
-	result = result + *--p;
-    } while (p != ptr);
-
-    return (result & 0xff) != ptr[511];
-}
-
-/* dir.c */
-extern unsigned int adfs_val (unsigned char *p, int len);
-extern int adfs_dir_read_parent (struct inode *inode, struct buffer_head **bhp);
-extern int adfs_dir_read (struct inode *inode, struct buffer_head **bhp);
-extern int adfs_dir_check (struct inode *inode, struct buffer_head **bhp,
-			   int buffers, union adfs_dirtail *dtp);
-extern void adfs_dir_free (struct buffer_head **bhp, int buffers);
-extern int adfs_dir_get (struct super_block *sb, struct buffer_head **bhp,
-			 int buffers, int pos, unsigned long parent_object_id,
-			 struct adfs_idir_entry *ide);
-extern int adfs_dir_find_entry (struct super_block *sb, struct buffer_head **bhp,
-				int buffers, unsigned int index,
-				struct adfs_idir_entry *ide);
-
-/* inode.c */
-extern int adfs_inode_validate (struct inode *inode);
-extern unsigned long adfs_inode_generate (unsigned long parent_id, int diridx);
-extern unsigned long adfs_inode_objid (struct inode *inode);
-extern unsigned int adfs_parent_bmap (struct inode *inode, int block);
-extern int adfs_bmap (struct inode *inode, int block);
-extern void adfs_read_inode (struct inode *inode);
-
-/* map.c */
-extern int adfs_map_lookup (struct super_block *sb, int frag_id, int offset);
-
-/* namei.c */
-extern int adfs_lookup (struct inode * dir, const char * name, int len,
-			struct inode ** result);
-
-/* super.c */
-extern int init_adfs_fs (void);
-extern void adfs_error (struct super_block *, const char *, const char *, ...);
-
-/*
- * Inodes and file operations
- */
-
-/* dir.c */
-extern struct inode_operations adfs_dir_inode_operations;
-
-/* file.c */
-extern struct inode_operations adfs_file_inode_operations;
-#endif
-
-#endif
-