sys/rump/librump/rumpvfs/fstrans_stub.c

   1 /*      $NetBSD: fstrans_stub.c,v 1.1 2008/11/19 14:10:49 pooka Exp $   */
   2
   3 /*
   4  * Copyright (c) 2007 Antti Kantee.  All Rights Reserved.
   5  *
   6  * Development of this software was supported by Google Summer of Code.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
  18  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  20  * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  23  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  29
  30 #include <sys/cdefs.h>
  31 __KERNEL_RCSID(0, "$NetBSD$");
  32
  33 #include <sys/mount.h>
  34 #include <sys/fstrans.h>
  35 #include <sys/buf.h>
  36
  37 int
  38 fstrans_setstate(struct mount *mp, enum fstrans_state new_state)
  39 {
  40
  41         return 0;
  42 }
  43
  44 enum fstrans_state
  45 fstrans_getstate(struct mount *mp)
  46 {
  47
  48         return FSTRANS_NORMAL;
  49 }
  50
  51 int
  52 _fstrans_start(struct mount *mp, enum fstrans_lock_type lock_type, int wait)
  53 {
  54
  55         return 0;
  56 }
  57
  58 void
  59 fstrans_done(struct mount *mp)
  60 {
  61
  62         return;
  63 }
  64
  65 int
  66 fstrans_is_owner(struct mount *mp)
  67 {
  68
  69         return 1;
  70 }
  71
  72 int
  73 fscow_establish(struct mount *mp, int (*func)(void *, struct buf *, bool),
  74     void *arg)
  75 {
  76
  77         return 0;
  78 }
  79
  80 int
  81 fscow_disestablish(struct mount *mp, int (*func)(void *, struct buf *, bool),
  82     void *arg)
  83 {
  84
  85         return 0;
  86 }
  87
  88 int
  89 fscow_run(struct buf *bp, bool data_valid)
  90 {
  91
  92         bp->b_flags |= B_COWDONE;
  93         return 0;
  94 }
  95
  96 int
  97 vfs_suspend(struct mount *mp, int nowait)
  98 {
  99
 100         return ENOSYS;
 101 }
 102
 103 void
 104 vfs_resume(struct mount *mp)
 105 {
 106
 107         panic("%s: impossible", __func__);
 108 }
 109
 110 int
 111 fstrans_mount(struct mount *mp)
 112 {
 113
 114         return 0;
 115 }
 116
 117 void
 118 fstrans_unmount(struct mount *mp)
 119 {
 120
 121 }