222 lines
8.9 KiB
C
222 lines
8.9 KiB
C
/* $NetBSD: lfs_extern.h,v 1.21 2000/09/09 04:49:55 perseant Exp $ */
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/*-
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* Copyright (c) 1999, 2000 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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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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, 1994
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. 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_extern.h 8.6 (Berkeley) 5/8/95
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*/
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/* Copied from ext2fs for ITIMES. XXX This is a bogus use of v_tag. */
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#define IS_LFS_VNODE(vp) (vp->v_tag == VT_LFS)
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/*
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* Sysctl values for LFS.
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*/
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#define LFS_WRITEINDIR 1 /* flush indirect blocks on non-checkpoint writes */
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#define LFS_CLEAN_VNHEAD 2 /* put prev unrefed cleaned vnodes on head of free list */
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#define LFS_DOSTATS 3
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#define LFS_STATS 4
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#define LFS_MAXID 5
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#define LFS_NAMES { \
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{ 0, 0 }, \
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{ "flushindir", CTLTYPE_INT }, \
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{ "clean_vnhead", CTLTYPE_INT }, \
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{ "dostats", CTLTYPE_INT }, \
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{ "stats", CTLTYPE_STRUCT }, \
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}
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struct fid;
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struct mount;
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struct nameidata;
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struct proc;
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struct statfs;
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struct timeval;
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struct inode;
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struct uio;
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struct mbuf;
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struct dinode;
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struct buf;
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struct vnode;
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struct dlfs;
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struct lfs;
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struct segment;
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struct ucred;
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extern struct pool lfs_inode_pool; /* memory pool for inodes */
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__BEGIN_DECLS
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/* lfs_alloc.c */
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void lfs_vcreate __P((struct mount *, ino_t, struct vnode *));
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/* lfs_bio.c */
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int lfs_bwrite_ext __P((struct buf *, int));
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void lfs_flush_fs __P((struct lfs *, int));
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void lfs_flush __P((struct lfs *, int));
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int lfs_check __P((struct vnode *, ufs_daddr_t, int));
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void lfs_freebuf __P((struct buf *));
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void lfs_countlocked __P((int *, long *));
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int lfs_reserve __P((struct lfs *, struct vnode *, int));
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/* lfs_cksum.c */
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u_long cksum __P((void *, size_t));
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u_long lfs_sb_cksum __P((struct dlfs *));
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/* lfs_debug.c */
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#ifdef DEBUG
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void lfs_dump_super __P((struct lfs *));
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void lfs_dump_dinode __P((struct dinode *));
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void lfs_check_bpp __P((struct lfs *, struct segment *, char *, int));
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void lfs_check_segsum __P((struct lfs *, struct segment *, char *, int));
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#endif /* DEBUG */
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/* lfs_inode.c */
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struct dinode *lfs_ifind __P((struct lfs *, ino_t, struct buf *));
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/* lfs_segment.c */
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void lfs_imtime __P((struct lfs *));
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int lfs_vflush __P((struct vnode *));
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int lfs_writevnodes __P((struct lfs *, struct mount *, struct segment *, int));
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int lfs_segwrite __P((struct mount *, int));
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void lfs_writefile __P((struct lfs *, struct segment *, struct vnode *));
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int lfs_writeinode __P((struct lfs *, struct segment *, struct inode *));
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int lfs_gatherblock __P((struct segment *, struct buf *, int *));
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int lfs_gather __P((struct lfs *, struct segment *, struct vnode *, int (*match )__P ((struct lfs *, struct buf *))));
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void lfs_updatemeta __P((struct segment *));
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int lfs_initseg __P((struct lfs *));
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void lfs_newseg __P((struct lfs *));
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int lfs_writeseg __P((struct lfs *, struct segment *));
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void lfs_writesuper __P((struct lfs *, daddr_t));
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int lfs_match_data __P((struct lfs *, struct buf *));
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int lfs_match_indir __P((struct lfs *, struct buf *));
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int lfs_match_dindir __P((struct lfs *, struct buf *));
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int lfs_match_tindir __P((struct lfs *, struct buf *));
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struct buf *lfs_newbuf __P((struct vnode *, ufs_daddr_t, size_t));
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void lfs_callback __P((struct buf *));
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void lfs_supercallback __P((struct buf *));
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void lfs_shellsort __P((struct buf **, ufs_daddr_t *, int));
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int lfs_vref __P((struct vnode *));
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void lfs_vunref __P((struct vnode *));
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void lfs_vunref_head __P((struct vnode *));
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/* lfs_subr.c */
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void lfs_seglock __P((struct lfs *, unsigned long));
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void lfs_segunlock __P((struct lfs *));
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/* lfs_syscalls.c */
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int lfs_fastvget __P((struct mount *, ino_t, ufs_daddr_t, struct vnode **, struct dinode *, int *));
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struct buf *lfs_fakebuf __P((struct vnode *, int, size_t, caddr_t));
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/* lfs_vfsops.c */
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void lfs_init __P((void));
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void lfs_done __P((void));
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int lfs_mountroot __P((void));
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int lfs_mount __P((struct mount *, const char *, void *, struct nameidata *, struct proc *));
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int lfs_mountfs __P((struct vnode *, struct mount *, struct proc *));
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int lfs_unmount __P((struct mount *, int, struct proc *));
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int lfs_statfs __P((struct mount *, struct statfs *, struct proc *));
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int lfs_sync __P((struct mount *, int, struct ucred *, struct proc *));
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int lfs_vget __P((struct mount *, ino_t, struct vnode **));
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int lfs_fhtovp __P((struct mount *, struct fid *, struct vnode **));
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int lfs_vptofh __P((struct vnode *, struct fid *));
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int lfs_sysctl __P((int *, u_int, void *, size_t *, void *, size_t,
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struct proc *));
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/* lfs_vnops.c */
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void lfs_unmark_vnode __P((struct vnode *));
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void lfs_itimes __P((struct inode *, struct timespec *, struct timespec *,
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struct timespec *));
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int lfs_balloc __P((void *));
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int lfs_valloc __P((void *));
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int lfs_vfree __P((void *));
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int lfs_bwrite __P((void *));
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int lfs_update __P((void *));
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int lfs_truncate __P((void *));
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int lfs_blkatoff __P((void *));
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int lfs_fsync __P((void *));
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int lfs_symlink __P((void *));
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int lfs_mknod __P((void *));
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int lfs_create __P((void *));
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int lfs_mkdir __P((void *));
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int lfs_read __P((void *));
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int lfs_remove __P((void *));
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int lfs_rmdir __P((void *));
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int lfs_link __P((void *));
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int lfs_rename __P((void *));
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int lfs_getattr __P((void *));
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int lfs_close __P((void *));
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int lfs_inactive __P((void *));
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int lfs_reclaim __P((void *));
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int lfs_write __P((void *));
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int lfs_whiteout __P((void *));
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__END_DECLS
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extern int lfs_mount_type;
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extern int (**lfs_vnodeop_p) __P((void *));
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extern int (**lfs_specop_p) __P((void *));
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extern int (**lfs_fifoop_p) __P((void *));
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