NetBSD/sys/ufs/ffs/ffs_extern.h

223 lines
8.1 KiB
C

/* $NetBSD: ffs_extern.h,v 1.55 2007/01/19 14:49:12 hannken Exp $ */
/*-
* 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. 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.
*
* @(#)ffs_extern.h 8.6 (Berkeley) 3/30/95
*/
#ifndef _UFS_FFS_FFS_EXTERN_H_
#define _UFS_FFS_FFS_EXTERN_H_
/*
* Sysctl values for the fast filesystem.
*/
#define FFS_CLUSTERREAD 1 /* cluster reading enabled */
#define FFS_CLUSTERWRITE 2 /* cluster writing enabled */
#define FFS_REALLOCBLKS 3 /* block reallocation enabled */
#define FFS_ASYNCFREE 4 /* asynchronous block freeing enabled */
#define FFS_LOG_CHANGEOPT 5 /* log optimalization strategy change */
#define FFS_MAXID 6 /* number of valid ffs ids */
#define FFS_ITIMES(ip, acc, mod, cre) \
while ((ip)->i_flag & (IN_ACCESS | IN_CHANGE | IN_UPDATE | IN_MODIFY)) \
ffs_itimes(ip, acc, mod, cre)
struct buf;
struct fid;
struct fs;
struct inode;
struct ufs1_dinode;
struct ufs2_dinode;
struct mount;
struct nameidata;
struct lwp;
struct statvfs;
struct timeval;
struct timespec;
struct ufsmount;
struct uio;
struct vnode;
struct mbuf;
struct cg;
#if defined(_KERNEL)
#define FFS_ITIMES(ip, acc, mod, cre) \
while ((ip)->i_flag & (IN_ACCESS | IN_CHANGE | IN_UPDATE | IN_MODIFY)) \
ffs_itimes(ip, acc, mod, cre)
extern struct pool ffs_inode_pool; /* memory pool for inodes */
extern struct pool ffs_dinode1_pool; /* memory pool for UFS1 dinodes */
extern struct pool ffs_dinode2_pool; /* memory pool for UFS2 dinodes */
#endif /* defined(_KERNEL) */
__BEGIN_DECLS
#if defined(_KERNEL)
/* ffs_alloc.c */
int ffs_alloc(struct inode *, daddr_t, daddr_t , int, kauth_cred_t,
daddr_t *);
int ffs_realloccg(struct inode *, daddr_t, daddr_t, int, int ,
kauth_cred_t, struct buf **, daddr_t *);
#if 0
int ffs_reallocblks(void *);
#endif
int ffs_valloc(struct vnode *, int, kauth_cred_t, struct vnode **);
daddr_t ffs_blkpref_ufs1(struct inode *, daddr_t, int, int32_t *);
daddr_t ffs_blkpref_ufs2(struct inode *, daddr_t, int, int64_t *);
void ffs_blkfree(struct fs *, struct vnode *, daddr_t, long, ino_t);
int ffs_vfree(struct vnode *, ino_t, int);
void ffs_clusteracct(struct fs *, struct cg *, int32_t, int);
int ffs_checkfreefile(struct fs *, struct vnode *, ino_t);
/* ffs_balloc.c */
int ffs_balloc(struct vnode *, off_t, int, kauth_cred_t, int,
struct buf **);
/* ffs_inode.c */
int ffs_update(struct vnode *, const struct timespec *,
const struct timespec *, int);
int ffs_truncate(struct vnode *, off_t, int, kauth_cred_t, struct lwp *);
/* ffs_vfsops.c */
void ffs_init(void);
void ffs_reinit(void);
void ffs_done(void);
int ffs_mountroot(void);
int ffs_mount(struct mount *, const char *, void *, struct nameidata *,
struct lwp *);
int ffs_reload(struct mount *, kauth_cred_t, struct lwp *);
int ffs_mountfs(struct vnode *, struct mount *, struct lwp *);
int ffs_unmount(struct mount *, int, struct lwp *);
int ffs_flushfiles(struct mount *, int, struct lwp *);
int ffs_statvfs(struct mount *, struct statvfs *, struct lwp *);
int ffs_sync(struct mount *, int, kauth_cred_t, struct lwp *);
int ffs_vget(struct mount *, ino_t, struct vnode **);
int ffs_fhtovp(struct mount *, struct fid *, struct vnode **);
int ffs_vptofh(struct vnode *, struct fid *, size_t *);
int ffs_extattrctl(struct mount *, int, struct vnode *, int,
const char *, struct lwp *);
int ffs_suspendctl(struct mount *, int);
int ffs_sbupdate(struct ufsmount *, int);
int ffs_cgupdate(struct ufsmount *, int);
/* ffs_vnops.c */
int ffs_read(void *);
int ffs_write(void *);
int ffs_fsync(void *);
int ffs_reclaim(void *);
int ffs_getpages(void *);
void ffs_gop_size(struct vnode *, off_t, off_t *, int);
int ffs_openextattr(void *);
int ffs_closeextattr(void *);
int ffs_getextattr(void *);
int ffs_setextattr(void *);
int ffs_listextattr(void *);
int ffs_deleteextattr(void *);
#ifdef SYSCTL_SETUP_PROTO
SYSCTL_SETUP_PROTO(sysctl_vfs_ffs_setup);
#endif /* SYSCTL_SETUP_PROTO */
/*
* Snapshot function prototypes.
*/
int ffs_snapblkfree(struct fs *, struct vnode *, daddr_t, long, ino_t);
void ffs_snapremove(struct vnode *);
int ffs_snapshot(struct mount *, struct vnode *, struct timespec *);
void ffs_snapshot_mount(struct mount *);
void ffs_snapshot_unmount(struct mount *);
void ffs_snapgone(struct inode *);
/*
* Soft dependency function prototypes.
*/
void softdep_initialize(void);
void softdep_reinitialize(void);
int softdep_mount(struct vnode *, struct mount *, struct fs *,
kauth_cred_t);
int softdep_flushworklist(struct mount *, int *, struct lwp *);
int softdep_flushfiles(struct mount *, int, struct lwp *);
void softdep_update_inodeblock(struct inode *, struct buf *, int);
void softdep_load_inodeblock(struct inode *);
void softdep_freefile(struct vnode *, ino_t, int);
void softdep_setup_freeblocks(struct inode *, off_t, int);
void softdep_setup_inomapdep(struct buf *, struct inode *, ino_t);
void softdep_setup_blkmapdep(struct buf *, struct fs *, daddr_t);
void softdep_setup_allocdirect(struct inode *, daddr_t, daddr_t,
daddr_t, long, long, struct buf *);
void softdep_setup_allocindir_meta(struct buf *, struct inode *,
struct buf *, int, daddr_t);
void softdep_setup_allocindir_page(struct inode *, daddr_t,
struct buf *, int, daddr_t, daddr_t,
struct buf *);
void softdep_fsync_mountdev(struct vnode *);
int softdep_sync_metadata(void *);
extern int (**ffs_vnodeop_p)(void *);
extern int (**ffs_specop_p)(void *);
extern int (**ffs_fifoop_p)(void *);
#endif /* defined(_KERNEL) */
/* ffs_appleufs.c */
struct appleufslabel;
u_int16_t ffs_appleufs_cksum(const struct appleufslabel *);
int ffs_appleufs_validate(const char*, const struct appleufslabel *,
struct appleufslabel *);
void ffs_appleufs_set(struct appleufslabel *, const char *, time_t,
uint64_t);
/* ffs_bswap.c */
void ffs_sb_swap(struct fs*, struct fs *);
void ffs_dinode1_swap(struct ufs1_dinode *, struct ufs1_dinode *);
void ffs_dinode2_swap(struct ufs2_dinode *, struct ufs2_dinode *);
struct csum;
void ffs_csum_swap(struct csum *, struct csum *, int);
struct csum_total;
void ffs_csumtotal_swap(struct csum_total *, struct csum_total *);
void ffs_cg_swap(struct cg *, struct cg *, struct fs *);
/* ffs_subr.c */
void ffs_load_inode(struct buf *, struct inode *, struct fs *, ino_t);
int ffs_freefile(struct fs *, struct vnode *, ino_t, int);
void ffs_fragacct(struct fs *, int, int32_t[], int, int);
int ffs_isblock(struct fs *, u_char *, int32_t);
int ffs_isfreeblock(struct fs *, u_char *, int32_t);
void ffs_clrblock(struct fs *, u_char *, int32_t);
void ffs_setblock(struct fs *, u_char *, int32_t);
void ffs_itimes(struct inode *, const struct timespec *,
const struct timespec *, const struct timespec *);
__END_DECLS
#endif /* !_UFS_FFS_FFS_EXTERN_H_ */