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-rw-r--r--ufs/ufs.h310
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diff --git a/ufs/ufs.h b/ufs/ufs.h
deleted file mode 100644
index 0a79f560..00000000
--- a/ufs/ufs.h
+++ /dev/null
@@ -1,310 +0,0 @@
-/*
- Copyright (C) 1994, 1995, 1996, 1997, 1999 Free Software Foundation
-
- 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.
-
- This program is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-#include <mach.h>
-#include <hurd.h>
-#include <sys/mman.h>
-#include <hurd/ports.h>
-#include <hurd/pager.h>
-#include <hurd/fshelp.h>
-#include <hurd/iohelp.h>
-#include <hurd/diskfs.h>
-#include <sys/mman.h>
-#include <assert.h>
-#include <pthread.h>
-#include <features.h>
-#include "fs.h"
-#include "dinode.h"
-
-#ifdef UFS_DEFINE_EI
-#define UFS_EI
-#else
-#define UFS_EI __extern_inline
-#endif
-
-/* Define this if memory objects should not be cached by the kernel.
- Normally, don't define it, but defining it causes a much greater rate
- of paging requests, which may be helpful in catching bugs. */
-
-/* #undef DONT_CACHE_MEMORY_OBJECTS */
-
-struct disknode
-{
- ino_t number;
-
- int dir_idx;
-
- /* For a directory, this array holds the number of directory entries in
- each DIRBLKSIZE piece of the directory. */
- int *dirents;
-
- /* Links on hash list. */
- struct node *hnext, **hprevp;
-
- pthread_rwlock_t allocptrlock;
- pthread_mutex_t waitlock;
- pthread_cond_t waitcond;
-
- struct dirty_indir *dirty;
-
- struct user_pager_info *fileinfo;
-};
-
-/* Identifies a particular block and where it's found
- when interpreting indirect block structure. */
-struct iblock_spec
-{
- /* Disk address of block */
- daddr_t bno;
-
- /* Offset in next block up; -1 if it's in the inode itself. */
- int offset;
-};
-
-/* Identifies an indirect block owned by this file which
- might be dirty. */
-struct dirty_indir
-{
- daddr_t bno; /* Disk address of block. */
- struct dirty_indir *next;
-};
-
-struct user_pager_info
-{
- struct node *np;
- enum pager_type
- {
- DISK,
- FILE_DATA,
- } type;
- struct pager *p;
- vm_prot_t max_prot;
-
- vm_offset_t allow_unlocked_pagein;
- vm_size_t unlocked_pagein_length;
-};
-
-#include <hurd/diskfs-pager.h>
-
-/* The physical media. */
-extern struct store *store;
-/* What the user specified. */
-extern struct store_parsed *store_parsed;
-
-/* Mapped image of the disk. */
-extern void *disk_image;
-
-extern void *zeroblock;
-
-extern struct fs *sblock;
-extern struct csum *csum;
-int sblock_dirty;
-int csum_dirty;
-
-pthread_spinlock_t node2pagelock;
-
-pthread_spinlock_t alloclock;
-
-pthread_spinlock_t gennumberlock;
-u_long nextgennumber;
-
-pthread_spinlock_t unlocked_pagein_lock;
-
-/* The compat_mode specifies whether or not we write
- extensions onto the disk. */
-enum compat_mode
-{
- COMPAT_GNU = 0,
- COMPAT_BSD42 = 1,
- COMPAT_BSD44 = 2,
-} compat_mode;
-
-/* If this is set, then this filesystem has two extensions:
- 1) directory entries include the type field.
- 2) symlink targets might be written directly in the di_db field
- of the dinode. */
-int direct_symlink_extension;
-
-/* If this is set, then the disk is byteswapped from native order. */
-int swab_disk;
-
-/* Number of device blocks per DEV_BSIZE block. */
-unsigned log2_dev_blocks_per_dev_bsize;
-
-/* Handy macros */
-#define DEV_BSIZE 512
-#define NBBY 8
-#define btodb(n) ((n) / DEV_BSIZE)
-#define howmany(x,y) (((x)+((y)-1))/(y))
-#define roundup(x, y) ((((x)+((y)-1))/(y))*(y))
-#define isclr(a, i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
-#define isset(a, i) ((a)[(i)/NBBY] & (1<<((i)%NBBY)))
-#define setbit(a,i) ((a)[(i)/NBBY] |= 1<<((i)%NBBY))
-#define clrbit(a,i) ((a)[(i)/NBBY] &= ~(1<<(i)%NBBY))
-#define fsaddr(fs,n) (fsbtodb(fs,n)*DEV_BSIZE)
-
-
-/* Functions for looking inside disk_image */
-
-extern struct dinode * dino (ino_t inum);
-extern daddr_t * indir_block (daddr_t bno);
-extern struct cg * cg_locate (int ncg);
-extern void sync_disk_blocks (daddr_t blkno, size_t nbytes, int wait);
-extern void sync_dinode (int inum, int wait);
-extern short swab_short (short arg);
-extern long swab_long (long arg);
-extern long long swab_long_long (long long arg);
-
-#if defined(__USE_EXTERN_INLINES) || defined(UFS_DEFINE_EI)
-/* Convert an inode number to the dinode on disk. */
-UFS_EI struct dinode *
-dino (ino_t inum)
-{
- return (struct dinode *)
- (disk_image
- + fsaddr (sblock, ino_to_fsba (sblock, inum))
- + ino_to_fsbo (sblock, inum) * sizeof (struct dinode));
-}
-
-/* Convert a indirect block number to a daddr_t table. */
-UFS_EI daddr_t *
-indir_block (daddr_t bno)
-{
- return (daddr_t *) (disk_image + fsaddr (sblock, bno));
-}
-
-/* Convert a cg number to the cylinder group. */
-UFS_EI struct cg *
-cg_locate (int ncg)
-{
- return (struct cg *) (disk_image + fsaddr (sblock, cgtod (sblock, ncg)));
-}
-
-/* Sync part of the disk */
-UFS_EI void
-sync_disk_blocks (daddr_t blkno, size_t nbytes, int wait)
-{
- pager_sync_some (diskfs_disk_pager, fsaddr (sblock, blkno), nbytes, wait);
-}
-
-/* Sync an disk inode */
-UFS_EI void
-sync_dinode (int inum, int wait)
-{
- sync_disk_blocks (ino_to_fsba (sblock, inum), sblock->fs_fsize, wait);
-}
-
-
-/* Functions for byte swapping */
-UFS_EI short
-swab_short (short arg)
-{
- return (((arg & 0xff) << 8)
- | ((arg & 0xff00) >> 8));
-}
-
-UFS_EI long
-swab_long (long arg)
-{
- return (((long) swab_short (arg & 0xffff) << 16)
- | swab_short ((arg & 0xffff0000) >> 16));
-}
-
-UFS_EI long long
-swab_long_long (long long arg)
-{
- return (((long long) swab_long (arg & 0xffffffff) << 32)
- | swab_long ((arg & 0xffffffff00000000LL) >> 32));
-}
-#endif /* Use extern inlines. */
-
-/* Return ENTRY, after byteswapping it if necessary */
-#define read_disk_entry(entry) \
-({ \
- typeof (entry) ret; \
- if (!swab_disk || sizeof (entry) == 1) \
- ret = (entry); \
- else if (sizeof (entry) == 2) \
- ret = swab_short (entry); \
- else if (sizeof (entry) == 4) \
- ret = swab_long (entry); \
- else \
- abort (); \
- ret; \
-})
-
-/* Execute A = B, but byteswap it along the way if necessary */
-#define write_disk_entry(a,b) \
-({ \
- if (!swab_disk || sizeof (a) == 1) \
- ((a) = (b)); \
- else if (sizeof (a) == 2) \
- ((a) = (swab_short (b))); \
- else if (sizeof (a) == 4) \
- ((a) = (swab_long (b))); \
- else \
- abort (); \
-})
-
-
-
-
-
-/* From alloc.c: */
-error_t ffs_alloc (struct node *, daddr_t, daddr_t, int, daddr_t *,
- struct protid *);
-void ffs_blkfree(struct node *, daddr_t bno, long size);
-daddr_t ffs_blkpref (struct node *, daddr_t, int, daddr_t *);
-error_t ffs_realloccg(struct node *, daddr_t, daddr_t,
- int, int, daddr_t *, struct protid *);
-
-/* From bmap.c */
-error_t fetch_indir_spec (struct node *, daddr_t, struct iblock_spec *);
-void mark_indir_dirty (struct node *, daddr_t);
-
-/* From hyper.c: */
-void get_hypermetadata (void);
-void copy_sblock (void);
-
-/* From inode.c: */
-struct node *ifind (ino_t ino);
-void inode_init (void);
-void write_all_disknodes (void);
-
-/* From pager.c: */
-void create_disk_pager (void);
-void din_map (struct node *);
-void sin_map (struct node *);
-void sin_remap (struct node *, int);
-void sin_unmap (struct node *);
-void din_unmap (struct node *);
-void drop_pager_softrefs (struct node *);
-void allow_pager_softrefs (struct node *);
-void flush_node_pager (struct node *);
-
-/* From subr.c: */
-void ffs_fragacct (struct fs *, int, long [], int);
-int ffs_isblock(struct fs *, u_char *, daddr_t);
-void ffs_clrblock(struct fs *, u_char *, daddr_t);
-void ffs_setblock (struct fs *, u_char *, daddr_t);
-int skpc (int, int, char *);
-int scanc (u_int, u_char *, u_char [], int);
-
-/* From pokeloc.c: */
-void record_poke (void *, vm_size_t);
-void sync_disk (int);
-void flush_pokes ();
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