222 lines
8.1 KiB
C
222 lines
8.1 KiB
C
/* $NetBSD: ffs_extern.h,v 1.54 2006/07/13 12:00:26 martin Exp $ */
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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. 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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* @(#)ffs_extern.h 8.6 (Berkeley) 3/30/95
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*/
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#ifndef _UFS_FFS_FFS_EXTERN_H_
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#define _UFS_FFS_FFS_EXTERN_H_
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/*
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* Sysctl values for the fast filesystem.
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*/
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#define FFS_CLUSTERREAD 1 /* cluster reading enabled */
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#define FFS_CLUSTERWRITE 2 /* cluster writing enabled */
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#define FFS_REALLOCBLKS 3 /* block reallocation enabled */
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#define FFS_ASYNCFREE 4 /* asynchronous block freeing enabled */
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#define FFS_LOG_CHANGEOPT 5 /* log optimalization strategy change */
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#define FFS_MAXID 6 /* number of valid ffs ids */
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#define FFS_ITIMES(ip, acc, mod, cre) \
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while ((ip)->i_flag & (IN_ACCESS | IN_CHANGE | IN_UPDATE | IN_MODIFY)) \
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ffs_itimes(ip, acc, mod, cre)
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struct buf;
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struct fid;
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struct fs;
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struct inode;
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struct ufs1_dinode;
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struct ufs2_dinode;
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struct mount;
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struct nameidata;
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struct lwp;
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struct statvfs;
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struct timeval;
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struct timespec;
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struct ufsmount;
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struct uio;
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struct vnode;
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struct mbuf;
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struct cg;
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#if defined(_KERNEL)
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#define FFS_ITIMES(ip, acc, mod, cre) \
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while ((ip)->i_flag & (IN_ACCESS | IN_CHANGE | IN_UPDATE | IN_MODIFY)) \
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ffs_itimes(ip, acc, mod, cre)
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extern struct pool ffs_inode_pool; /* memory pool for inodes */
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extern struct pool ffs_dinode1_pool; /* memory pool for UFS1 dinodes */
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extern struct pool ffs_dinode2_pool; /* memory pool for UFS2 dinodes */
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#endif /* defined(_KERNEL) */
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__BEGIN_DECLS
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#if defined(_KERNEL)
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/* ffs_alloc.c */
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int ffs_alloc(struct inode *, daddr_t, daddr_t , int, kauth_cred_t,
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daddr_t *);
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int ffs_realloccg(struct inode *, daddr_t, daddr_t, int, int ,
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kauth_cred_t, struct buf **, daddr_t *);
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#if 0
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int ffs_reallocblks(void *);
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#endif
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int ffs_valloc(struct vnode *, int, kauth_cred_t, struct vnode **);
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daddr_t ffs_blkpref_ufs1(struct inode *, daddr_t, int, int32_t *);
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daddr_t ffs_blkpref_ufs2(struct inode *, daddr_t, int, int64_t *);
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void ffs_blkfree(struct fs *, struct vnode *, daddr_t, long, ino_t);
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int ffs_vfree(struct vnode *, ino_t, int);
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void ffs_clusteracct(struct fs *, struct cg *, int32_t, int);
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int ffs_checkfreefile(struct fs *, struct vnode *, ino_t);
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/* ffs_balloc.c */
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int ffs_balloc(struct vnode *, off_t, int, kauth_cred_t, int,
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struct buf **);
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/* ffs_inode.c */
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int ffs_update(struct vnode *, const struct timespec *,
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const struct timespec *, int);
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int ffs_truncate(struct vnode *, off_t, int, kauth_cred_t, struct lwp *);
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/* ffs_vfsops.c */
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void ffs_init(void);
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void ffs_reinit(void);
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void ffs_done(void);
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int ffs_mountroot(void);
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int ffs_mount(struct mount *, const char *, void *, struct nameidata *,
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struct lwp *);
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int ffs_reload(struct mount *, kauth_cred_t, struct lwp *);
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int ffs_mountfs(struct vnode *, struct mount *, struct lwp *);
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int ffs_unmount(struct mount *, int, struct lwp *);
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int ffs_flushfiles(struct mount *, int, struct lwp *);
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int ffs_statvfs(struct mount *, struct statvfs *, struct lwp *);
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int ffs_sync(struct mount *, int, kauth_cred_t, struct lwp *);
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int ffs_vget(struct mount *, ino_t, struct vnode **);
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int ffs_fhtovp(struct mount *, struct fid *, struct vnode **);
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int ffs_vptofh(struct vnode *, struct fid *, size_t *);
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int ffs_extattrctl(struct mount *, int, struct vnode *, int,
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const char *, struct lwp *);
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int ffs_sbupdate(struct ufsmount *, int);
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int ffs_cgupdate(struct ufsmount *, int);
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/* ffs_vnops.c */
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int ffs_read(void *);
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int ffs_write(void *);
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int ffs_fsync(void *);
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int ffs_reclaim(void *);
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int ffs_getpages(void *);
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void ffs_gop_size(struct vnode *, off_t, off_t *, int);
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int ffs_openextattr(void *);
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int ffs_closeextattr(void *);
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int ffs_getextattr(void *);
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int ffs_setextattr(void *);
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int ffs_listextattr(void *);
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int ffs_deleteextattr(void *);
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#ifdef SYSCTL_SETUP_PROTO
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SYSCTL_SETUP_PROTO(sysctl_vfs_ffs_setup);
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#endif /* SYSCTL_SETUP_PROTO */
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/*
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* Snapshot function prototypes.
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*/
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int ffs_snapblkfree(struct fs *, struct vnode *, daddr_t, long, ino_t);
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void ffs_snapremove(struct vnode *);
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int ffs_snapshot(struct mount *, struct vnode *, struct timespec *);
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void ffs_snapshot_mount(struct mount *);
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void ffs_snapshot_unmount(struct mount *);
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void ffs_snapgone(struct inode *);
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/*
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* Soft dependency function prototypes.
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*/
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void softdep_initialize(void);
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void softdep_reinitialize(void);
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int softdep_mount(struct vnode *, struct mount *, struct fs *,
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kauth_cred_t);
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int softdep_flushworklist(struct mount *, int *, struct lwp *);
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int softdep_flushfiles(struct mount *, int, struct lwp *);
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void softdep_update_inodeblock(struct inode *, struct buf *, int);
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void softdep_load_inodeblock(struct inode *);
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void softdep_freefile(struct vnode *, ino_t, int);
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void softdep_setup_freeblocks(struct inode *, off_t, int);
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void softdep_setup_inomapdep(struct buf *, struct inode *, ino_t);
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void softdep_setup_blkmapdep(struct buf *, struct fs *, daddr_t);
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void softdep_setup_allocdirect(struct inode *, daddr_t, daddr_t,
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daddr_t, long, long, struct buf *);
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void softdep_setup_allocindir_meta(struct buf *, struct inode *,
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struct buf *, int, daddr_t);
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void softdep_setup_allocindir_page(struct inode *, daddr_t,
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struct buf *, int, daddr_t, daddr_t,
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struct buf *);
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void softdep_fsync_mountdev(struct vnode *);
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int softdep_sync_metadata(void *);
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extern int (**ffs_vnodeop_p)(void *);
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extern int (**ffs_specop_p)(void *);
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extern int (**ffs_fifoop_p)(void *);
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#endif /* defined(_KERNEL) */
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/* ffs_appleufs.c */
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struct appleufslabel;
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u_int16_t ffs_appleufs_cksum(const struct appleufslabel *);
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int ffs_appleufs_validate(const char*, const struct appleufslabel *,
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struct appleufslabel *);
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void ffs_appleufs_set(struct appleufslabel *, const char *, time_t,
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uint64_t);
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/* ffs_bswap.c */
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void ffs_sb_swap(struct fs*, struct fs *);
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void ffs_dinode1_swap(struct ufs1_dinode *, struct ufs1_dinode *);
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void ffs_dinode2_swap(struct ufs2_dinode *, struct ufs2_dinode *);
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struct csum;
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void ffs_csum_swap(struct csum *, struct csum *, int);
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struct csum_total;
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void ffs_csumtotal_swap(struct csum_total *, struct csum_total *);
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void ffs_cg_swap(struct cg *, struct cg *, struct fs *);
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/* ffs_subr.c */
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void ffs_load_inode(struct buf *, struct inode *, struct fs *, ino_t);
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int ffs_freefile(struct fs *, struct vnode *, ino_t, int);
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void ffs_fragacct(struct fs *, int, int32_t[], int, int);
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int ffs_isblock(struct fs *, u_char *, int32_t);
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int ffs_isfreeblock(struct fs *, u_char *, int32_t);
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void ffs_clrblock(struct fs *, u_char *, int32_t);
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void ffs_setblock(struct fs *, u_char *, int32_t);
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void ffs_itimes(struct inode *, const struct timespec *,
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const struct timespec *, const struct timespec *);
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__END_DECLS
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#endif /* !_UFS_FFS_FFS_EXTERN_H_ */
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