NetBSD/sys/ufs/lfs/lfs_extern.h

222 lines
8.9 KiB
C

/* $NetBSD: lfs_extern.h,v 1.21 2000/09/09 04:49:55 perseant Exp $ */
/*-
* Copyright (c) 1999, 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Konrad E. Schroder <perseant@hhhh.org>.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*-
* Copyright (c) 1991, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)lfs_extern.h 8.6 (Berkeley) 5/8/95
*/
/* Copied from ext2fs for ITIMES. XXX This is a bogus use of v_tag. */
#define IS_LFS_VNODE(vp) (vp->v_tag == VT_LFS)
/*
* Sysctl values for LFS.
*/
#define LFS_WRITEINDIR 1 /* flush indirect blocks on non-checkpoint writes */
#define LFS_CLEAN_VNHEAD 2 /* put prev unrefed cleaned vnodes on head of free list */
#define LFS_DOSTATS 3
#define LFS_STATS 4
#define LFS_MAXID 5
#define LFS_NAMES { \
{ 0, 0 }, \
{ "flushindir", CTLTYPE_INT }, \
{ "clean_vnhead", CTLTYPE_INT }, \
{ "dostats", CTLTYPE_INT }, \
{ "stats", CTLTYPE_STRUCT }, \
}
struct fid;
struct mount;
struct nameidata;
struct proc;
struct statfs;
struct timeval;
struct inode;
struct uio;
struct mbuf;
struct dinode;
struct buf;
struct vnode;
struct dlfs;
struct lfs;
struct segment;
struct ucred;
extern struct pool lfs_inode_pool; /* memory pool for inodes */
__BEGIN_DECLS
/* lfs_alloc.c */
void lfs_vcreate __P((struct mount *, ino_t, struct vnode *));
/* lfs_bio.c */
int lfs_bwrite_ext __P((struct buf *, int));
void lfs_flush_fs __P((struct lfs *, int));
void lfs_flush __P((struct lfs *, int));
int lfs_check __P((struct vnode *, ufs_daddr_t, int));
void lfs_freebuf __P((struct buf *));
void lfs_countlocked __P((int *, long *));
int lfs_reserve __P((struct lfs *, struct vnode *, int));
/* lfs_cksum.c */
u_long cksum __P((void *, size_t));
u_long lfs_sb_cksum __P((struct dlfs *));
/* lfs_debug.c */
#ifdef DEBUG
void lfs_dump_super __P((struct lfs *));
void lfs_dump_dinode __P((struct dinode *));
void lfs_check_bpp __P((struct lfs *, struct segment *, char *, int));
void lfs_check_segsum __P((struct lfs *, struct segment *, char *, int));
#endif /* DEBUG */
/* lfs_inode.c */
struct dinode *lfs_ifind __P((struct lfs *, ino_t, struct buf *));
/* lfs_segment.c */
void lfs_imtime __P((struct lfs *));
int lfs_vflush __P((struct vnode *));
int lfs_writevnodes __P((struct lfs *, struct mount *, struct segment *, int));
int lfs_segwrite __P((struct mount *, int));
void lfs_writefile __P((struct lfs *, struct segment *, struct vnode *));
int lfs_writeinode __P((struct lfs *, struct segment *, struct inode *));
int lfs_gatherblock __P((struct segment *, struct buf *, int *));
int lfs_gather __P((struct lfs *, struct segment *, struct vnode *, int (*match )__P ((struct lfs *, struct buf *))));
void lfs_updatemeta __P((struct segment *));
int lfs_initseg __P((struct lfs *));
void lfs_newseg __P((struct lfs *));
int lfs_writeseg __P((struct lfs *, struct segment *));
void lfs_writesuper __P((struct lfs *, daddr_t));
int lfs_match_data __P((struct lfs *, struct buf *));
int lfs_match_indir __P((struct lfs *, struct buf *));
int lfs_match_dindir __P((struct lfs *, struct buf *));
int lfs_match_tindir __P((struct lfs *, struct buf *));
struct buf *lfs_newbuf __P((struct vnode *, ufs_daddr_t, size_t));
void lfs_callback __P((struct buf *));
void lfs_supercallback __P((struct buf *));
void lfs_shellsort __P((struct buf **, ufs_daddr_t *, int));
int lfs_vref __P((struct vnode *));
void lfs_vunref __P((struct vnode *));
void lfs_vunref_head __P((struct vnode *));
/* lfs_subr.c */
void lfs_seglock __P((struct lfs *, unsigned long));
void lfs_segunlock __P((struct lfs *));
/* lfs_syscalls.c */
int lfs_fastvget __P((struct mount *, ino_t, ufs_daddr_t, struct vnode **, struct dinode *, int *));
struct buf *lfs_fakebuf __P((struct vnode *, int, size_t, caddr_t));
/* lfs_vfsops.c */
void lfs_init __P((void));
void lfs_done __P((void));
int lfs_mountroot __P((void));
int lfs_mount __P((struct mount *, const char *, void *, struct nameidata *, struct proc *));
int lfs_mountfs __P((struct vnode *, struct mount *, struct proc *));
int lfs_unmount __P((struct mount *, int, struct proc *));
int lfs_statfs __P((struct mount *, struct statfs *, struct proc *));
int lfs_sync __P((struct mount *, int, struct ucred *, struct proc *));
int lfs_vget __P((struct mount *, ino_t, struct vnode **));
int lfs_fhtovp __P((struct mount *, struct fid *, struct vnode **));
int lfs_vptofh __P((struct vnode *, struct fid *));
int lfs_sysctl __P((int *, u_int, void *, size_t *, void *, size_t,
struct proc *));
/* lfs_vnops.c */
void lfs_unmark_vnode __P((struct vnode *));
void lfs_itimes __P((struct inode *, struct timespec *, struct timespec *,
struct timespec *));
int lfs_balloc __P((void *));
int lfs_valloc __P((void *));
int lfs_vfree __P((void *));
int lfs_bwrite __P((void *));
int lfs_update __P((void *));
int lfs_truncate __P((void *));
int lfs_blkatoff __P((void *));
int lfs_fsync __P((void *));
int lfs_symlink __P((void *));
int lfs_mknod __P((void *));
int lfs_create __P((void *));
int lfs_mkdir __P((void *));
int lfs_read __P((void *));
int lfs_remove __P((void *));
int lfs_rmdir __P((void *));
int lfs_link __P((void *));
int lfs_rename __P((void *));
int lfs_getattr __P((void *));
int lfs_close __P((void *));
int lfs_inactive __P((void *));
int lfs_reclaim __P((void *));
int lfs_write __P((void *));
int lfs_whiteout __P((void *));
__END_DECLS
extern int lfs_mount_type;
extern int (**lfs_vnodeop_p) __P((void *));
extern int (**lfs_specop_p) __P((void *));
extern int (**lfs_fifoop_p) __P((void *));