1 /* $NetBSD: lfs_kernel.h,v 1.1 2013/07/28 01:05:52 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 #define LFCNSEGWAITALL_COMPAT _FCNW_FSPRIV('L', 0, struct timeval50) 104 #define LFCNSEGWAIT_COMPAT _FCNW_FSPRIV('L', 1, struct timeval50) 105 #define LFCNIFILEFH_COMPAT _FCNW_FSPRIV('L', 5, struct lfs_fhandle) 106 #define LFCNIFILEFH_COMPAT2 _FCN_FSPRIV(F_FSOUT, 'L', 11, 32) 107 #define LFCNWRAPSTOP_COMPAT _FCNO_FSPRIV('L', 9) 108 #define LFCNWRAPGO_COMPAT _FCNO_FSPRIV('L', 10) 109 #define LFCNSEGWAITALL_COMPAT_50 _FCNR_FSPRIV('L', 0, struct timeval50) 110 #define LFCNSEGWAIT_COMPAT_50 _FCNR_FSPRIV('L', 1, struct timeval50) 111 112 113 #endif /* _UFS_LFS_LFS_KERNEL_H_ */ 114