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  * $DragonFly: src/sys/vfs/ntfs/ntfs_inode.h,v 1.7 2006/09/10 01:26:41 dillon Exp $
  30  */
  31
  32 /* These flags are kept in i_flag. */
  33 #if defined(__DragonFly__)
  34 #define IN_ACCESS       0x0001  /* Access time update request. */
  35 #define IN_CHANGE       0x0002  /* Inode change time update request. */
  36 #define IN_UPDATE       0x0004  /* Modification time update request. */
  37 #define IN_MODIFIED     0x0008  /* Inode has been modified. */
  38 #define IN_RENAME       0x0010  /* Inode is being renamed. */
  39 #define IN_SHLOCK       0x0020  /* File has shared lock. */
  40 #define IN_EXLOCK       0x0040  /* File has exclusive lock. */
  41 #define IN_LAZYMOD      0x0080  /* Modified, but don't write yet. */
  42 #else /* defined(__NetBSD__) */
  43 #define IN_ACCESS       0x0001  /* Access time update request. */
  44 #define IN_CHANGE       0x0002  /* Inode change time update request. */
  45 #define IN_EXLOCK       0x0004  /* File has exclusive lock. */
  46 #define IN_LOCKED       0x0008  /* Inode lock. */
  47 #define IN_LWAIT        0x0010  /* Process waiting on file lock. */
  48 #define IN_MODIFIED     0x0020  /* Inode has been modified. */
  49 #define IN_RENAME       0x0040  /* Inode is being renamed. */
  50 #define IN_SHLOCK       0x0080  /* File has shared lock. */
  51 #define IN_UPDATE       0x0100  /* Modification time update request. */
  52 #define IN_WANTED       0x0200  /* Inode is wanted by a process. */
  53 #define IN_RECURSE      0x0400  /* Recursion expected */
  54 #endif
  55
  56 #define IN_HASHED       0x0800  /* Inode is on hash list */
  57 #define IN_LOADED       0x8000  /* ntvattrs loaded */
  58 #define IN_PRELOADED    0x4000  /* loaded from directory entry */
  59
  60 struct ntnode {
  61         struct vnode   *i_devvp;        /* vnode of blk dev we live on */
  62         cdev_t           i_dev;         /* Device associated with the inode. */
  63
  64         LIST_ENTRY(ntnode)      i_hash;
  65         struct ntnode  *i_next;
  66         struct ntnode **i_prev;
  67         struct ntfsmount       *i_mp;
  68         ino_t           i_number;
  69         u_int32_t       i_flag;
  70
  71         /* locking */
  72         struct lock     i_lock;
  73         struct spinlock i_interlock;
  74         int             i_usecount;
  75
  76         LIST_HEAD(,fnode)       i_fnlist;
  77         LIST_HEAD(,ntvattr)     i_valist;
  78
  79         long            i_nlink;        /* MFR */
  80         ino_t           i_mainrec;      /* MFR */
  81         u_int32_t       i_frflag;       /* MFR */
  82 };
  83
  84 #define FN_PRELOADED    0x0001
  85 #define FN_VALID        0x0002
  86 #define FN_AATTRNAME    0x0004  /* space allocated for f_attrname */
  87 struct fnode {
  88         LIST_ENTRY(fnode) f_fnlist;
  89         struct vnode   *f_vp;           /* Associatied vnode */
  90         struct ntnode  *f_ip;           /* Associated ntnode */
  91         u_long          f_flag;
  92
  93         ntfs_times_t    f_times;        /* $NAME/dirinfo */
  94         ino_t           f_pnumber;      /* $NAME/dirinfo */
  95         u_int32_t       f_fflag;        /* $NAME/dirinfo */
  96         u_int64_t       f_size;         /* defattr/dirinfo: */
  97         u_int64_t       f_allocated;    /* defattr/dirinfo */
  98
  99         u_int32_t       f_attrtype;
 100         char           *f_attrname;
 101
 102         /* for ntreaddir */
 103         u_int32_t       f_lastdattr;
 104         u_int32_t       f_lastdblnum;
 105         u_int32_t       f_lastdoff;
 106         u_int32_t       f_lastdnum;
 107         caddr_t         f_dirblbuf;
 108         u_int32_t       f_dirblsz;
 109 };
 110
 111 /* This overlays the fid structure (see <sys/mount.h>) */
 112 struct ntfid {
 113         u_int16_t ntfid_len;     /* Length of structure. */
 114         u_int16_t ntfid_pad;     /* Force 32-bit alignment. */
 115         ino_t     ntfid_ino;     /* File number (ino). */
 116         int32_t   ntfid_gen;     /* Generation number. */
 117 };