sys/vfs/ntfs/ntfs_inode.h

   1 /*      $NetBSD: ntfs_inode.h,v 1.8 1999/10/31 19:45:26 jdolecek Exp $  */
   2
   3 /*-
   4  * Copyright (c) 1998, 1999 Semen Ustimenko
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  *
  28  * $FreeBSD: src/sys/ntfs/ntfs_inode.h,v 1.6 1999/12/03 20:37:39 semenu Exp $
  29  */
  30
  31 /* These flags are kept in i_flag. */
  32 #define IN_ACCESS       0x0001  /* Access time update request. */
  33 #define IN_CHANGE       0x0002  /* Inode change time update request. */
  34 #define IN_UPDATE       0x0004  /* Modification time update request. */
  35 #define IN_MODIFIED     0x0008  /* Inode has been modified. */
  36 #define IN_RENAME       0x0010  /* Inode is being renamed. */
  37 #define IN_SHLOCK       0x0020  /* File has shared lock. */
  38 #define IN_EXLOCK       0x0040  /* File has exclusive lock. */
  39 #define IN_LAZYMOD      0x0080  /* Modified, but don't write yet. */
  40 #define IN_HASHED       0x0800  /* Inode is on hash list */
  41 #define IN_LOADED       0x8000  /* ntvattrs loaded */
  42 #define IN_PRELOADED    0x4000  /* loaded from directory entry */
  43
  44 struct ntnode {
  45         struct vnode   *i_devvp;        /* vnode of blk dev we live on */
  46         cdev_t           i_dev;         /* Device associated with the inode. */
  47
  48         LIST_ENTRY(ntnode)      i_hash;
  49         struct ntnode  *i_next;
  50         struct ntnode **i_prev;
  51         struct ntfsmount       *i_mp;
  52         ino_t           i_number;
  53         u_int32_t       i_flag;
  54
  55         /* locking */
  56         struct lock     i_lock;
  57         struct spinlock i_interlock;
  58         int             i_usecount;
  59
  60         LIST_HEAD(,fnode)       i_fnlist;
  61         LIST_HEAD(,ntvattr)     i_valist;
  62
  63         long            i_nlink;        /* MFR */
  64         ino_t           i_mainrec;      /* MFR */
  65         u_int32_t       i_frflag;       /* MFR */
  66 };
  67
  68 #define FN_PRELOADED    0x0001
  69 #define FN_VALID        0x0002
  70 #define FN_AATTRNAME    0x0004  /* space allocated for f_attrname */
  71 struct fnode {
  72         LIST_ENTRY(fnode) f_fnlist;
  73         struct vnode   *f_vp;           /* Associatied vnode */
  74         struct ntnode  *f_ip;           /* Associated ntnode */
  75         u_long          f_flag;
  76
  77         ntfs_times_t    f_times;        /* $NAME/dirinfo */
  78         ino_t           f_pnumber;      /* $NAME/dirinfo */
  79         u_int32_t       f_fflag;        /* $NAME/dirinfo */
  80         u_int64_t       f_size;         /* defattr/dirinfo: */
  81         u_int64_t       f_allocated;    /* defattr/dirinfo */
  82
  83         u_int32_t       f_attrtype;
  84         char           *f_attrname;
  85
  86         /* for ntreaddir */
  87         u_int32_t       f_lastdattr;
  88         u_int32_t       f_lastdblnum;
  89         u_int32_t       f_lastdoff;
  90         u_int32_t       f_lastdnum;
  91         caddr_t         f_dirblbuf;
  92         u_int32_t       f_dirblsz;
  93 };
  94
  95 /* This overlays the fid structure (see <sys/mount.h>) */
  96 struct ntfid {
  97         u_int16_t ntfid_len;     /* Length of structure. */
  98         u_int16_t ntfid_pad;     /* Force 32-bit alignment. */
  99         ino_t     ntfid_ino;     /* File number (ino). */
 100         int32_t   ntfid_gen;     /* Generation number. */
 101 };