sys/ufs/lfs/lfs_kernel.h

   1 /*      $NetBSD: lfs_kernel.h,v 1.2 2015/08/12 18:24:14 dholland Exp $  */
   2
   3 /*  from NetBSD: lfs.h,v 1.157 2013/06/28 16:14:06 matt Exp  */
   4
   5 /*-
   6  * Copyright (c) 1999, 2000, 2001, 2002, 2003 The NetBSD Foundation, Inc.
   7  * All rights reserved.
   8  *
   9  * This code is derived from software contributed to The NetBSD Foundation
  10  * by Konrad E. Schroder <perseant@hhhh.org>.
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions
  14  * are met:
  15  * 1. Redistributions of source code must retain the above copyright
  16  *    notice, this list of conditions and the following disclaimer.
  17  * 2. Redistributions in binary form must reproduce the above copyright
  18  *    notice, this list of conditions and the following disclaimer in the
  19  *    documentation and/or other materials provided with the distribution.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  23  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  24  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  31  * POSSIBILITY OF SUCH DAMAGE.
  32  */
  33 /*-
  34  * Copyright (c) 1991, 1993
  35  *      The Regents of the University of California.  All rights reserved.
  36  *
  37  * Redistribution and use in source and binary forms, with or without
  38  * modification, are permitted provided that the following conditions
  39  * are met:
  40  * 1. Redistributions of source code must retain the above copyright
  41  *    notice, this list of conditions and the following disclaimer.
  42  * 2. Redistributions in binary form must reproduce the above copyright
  43  *    notice, this list of conditions and the following disclaimer in the
  44  *    documentation and/or other materials provided with the distribution.
  45  * 3. Neither the name of the University nor the names of its contributors
  46  *    may be used to endorse or promote products derived from this software
  47  *    without specific prior written permission.
  48  *
  49  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  50  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  51  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  52  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  53  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  54  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  55  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  56  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  57  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  58  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  59  * SUCH DAMAGE.
  60  *
  61  *      @(#)lfs.h       8.9 (Berkeley) 5/8/95
  62  */
  63
  64 #ifndef _UFS_LFS_LFS_KERNEL_H_
  65 #define _UFS_LFS_LFS_KERNEL_H_
  66
  67 #include <ufs/lfs/lfs.h>
  68
  69 extern struct lfs_stats lfs_stats;
  70
  71 /* XXX MP */
  72 #define LFS_SEGLOCK_HELD(fs) \
  73         ((fs)->lfs_seglock != 0 &&                                      \
  74          (fs)->lfs_lockpid == curproc->p_pid &&                         \
  75          (fs)->lfs_locklwp == curlwp->l_lid)
  76
  77 struct lfs_cluster {
  78         size_t bufsize;        /* Size of kept data */
  79         struct buf **bpp;      /* Array of kept buffers */
  80         int bufcount;          /* Number of kept buffers */
  81 #define LFS_CL_MALLOC   0x00000001
  82 #define LFS_CL_SHIFT    0x00000002
  83 #define LFS_CL_SYNC     0x00000004
  84         u_int32_t flags;       /* Flags */
  85         struct lfs *fs;        /* LFS that this belongs to */
  86         struct segment *seg;   /* Segment structure, for LFS_CL_SYNC */
  87 };
  88
  89 /*
  90  * Splay tree containing block numbers allocated through lfs_balloc.
  91  */
  92 struct lbnentry {
  93         SPLAY_ENTRY(lbnentry) entry;
  94         daddr_t lbn;
  95 };
  96
  97 /*
  98  * Compat fcntls.  Defined for kernel only.  Userland always uses
  99  * "the one true version".
 100  */
 101 #include <compat/sys/time_types.h>
 102
 103 struct lfs_fcntl_markv_70 {
 104         BLOCK_INFO_70 *blkiov;  /* blocks to relocate */
 105         int blkcnt;             /* number of blocks (limited to 65536) */
 106 };
 107
 108 #define LFCNSEGWAITALL_COMPAT    _FCNW_FSPRIV('L', 0, struct timeval50)
 109 #define LFCNSEGWAIT_COMPAT       _FCNW_FSPRIV('L', 1, struct timeval50)
 110 #define LFCNIFILEFH_COMPAT       _FCNW_FSPRIV('L', 5, struct lfs_fhandle)
 111 #define LFCNIFILEFH_COMPAT2      _FCN_FSPRIV(F_FSOUT, 'L', 11, 32)
 112 #define LFCNWRAPSTOP_COMPAT      _FCNO_FSPRIV('L', 9)
 113 #define LFCNWRAPGO_COMPAT        _FCNO_FSPRIV('L', 10)
 114 #define LFCNSEGWAITALL_COMPAT_50 _FCNR_FSPRIV('L', 0, struct timeval50)
 115 #define LFCNSEGWAIT_COMPAT_50    _FCNR_FSPRIV('L', 1, struct timeval50)
 116 #define LFCNBMAPV_COMPAT_70     _FCNRW_FSPRIV('L', 2, struct lfs_fcntl_markv_70)
 117 #define LFCNMARKV_COMPAT_70     _FCNRW_FSPRIV('L', 3, struct lfs_fcntl_markv_70)
 118
 119
 120 #endif /* _UFS_LFS_LFS_KERNEL_H_ */