114 lines
4.7 KiB
C
114 lines
4.7 KiB
C
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/* $NetBSD: lfs_kernel.h,v 1.1 2013/07/28 01:05:52 dholland Exp $ */
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/* from NetBSD: lfs.h,v 1.157 2013/06/28 16:14:06 matt Exp */
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/*-
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* Copyright (c) 1999, 2000, 2001, 2002, 2003 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Konrad E. Schroder <perseant@hhhh.org>.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*-
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)lfs.h 8.9 (Berkeley) 5/8/95
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*/
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#ifndef _UFS_LFS_LFS_KERNEL_H_
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#define _UFS_LFS_LFS_KERNEL_H_
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#include <ufs/lfs/lfs.h>
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extern struct lfs_stats lfs_stats;
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/* XXX MP */
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#define LFS_SEGLOCK_HELD(fs) \
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((fs)->lfs_seglock != 0 && \
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(fs)->lfs_lockpid == curproc->p_pid && \
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(fs)->lfs_locklwp == curlwp->l_lid)
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struct lfs_cluster {
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size_t bufsize; /* Size of kept data */
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struct buf **bpp; /* Array of kept buffers */
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int bufcount; /* Number of kept buffers */
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#define LFS_CL_MALLOC 0x00000001
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#define LFS_CL_SHIFT 0x00000002
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#define LFS_CL_SYNC 0x00000004
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u_int32_t flags; /* Flags */
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struct lfs *fs; /* LFS that this belongs to */
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struct segment *seg; /* Segment structure, for LFS_CL_SYNC */
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};
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/*
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* Splay tree containing block numbers allocated through lfs_balloc.
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*/
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struct lbnentry {
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SPLAY_ENTRY(lbnentry) entry;
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daddr_t lbn;
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};
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/*
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* Compat fcntls. Defined for kernel only. Userland always uses
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* "the one true version".
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*/
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#include <compat/sys/time_types.h>
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#define LFCNSEGWAITALL_COMPAT _FCNW_FSPRIV('L', 0, struct timeval50)
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#define LFCNSEGWAIT_COMPAT _FCNW_FSPRIV('L', 1, struct timeval50)
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#define LFCNIFILEFH_COMPAT _FCNW_FSPRIV('L', 5, struct lfs_fhandle)
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#define LFCNIFILEFH_COMPAT2 _FCN_FSPRIV(F_FSOUT, 'L', 11, 32)
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#define LFCNWRAPSTOP_COMPAT _FCNO_FSPRIV('L', 9)
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#define LFCNWRAPGO_COMPAT _FCNO_FSPRIV('L', 10)
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#define LFCNSEGWAITALL_COMPAT_50 _FCNR_FSPRIV('L', 0, struct timeval50)
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#define LFCNSEGWAIT_COMPAT_50 _FCNR_FSPRIV('L', 1, struct timeval50)
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#endif /* _UFS_LFS_LFS_KERNEL_H_ */
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