42614ed3f3
64 bit block pointers, extended attribute storage, and a few other things. This commit does not yet include the code to manipulate the extended storage (for e.g. ACLs), this will be done later. Originally written by Kirk McKusick and Network Associates Laboratories for FreeBSD.
191 lines
7.4 KiB
C
191 lines
7.4 KiB
C
/* $NetBSD: ffs_extern.h,v 1.28 2003/04/02 10:39:36 fvdl 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. 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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* @(#)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_NAMES { \
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{ 0, 0 }, \
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{ "doclusterread", CTLTYPE_INT }, \
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{ "doclusterwrite", CTLTYPE_INT }, \
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{ "doreallocblks", CTLTYPE_INT }, \
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{ "doasyncfree", CTLTYPE_INT }, \
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{ "log_changeopt", CTLTYPE_INT }, \
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}
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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 proc;
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struct statfs;
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struct timeval;
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struct ucred;
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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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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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__BEGIN_DECLS
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/* ffs_alloc.c */
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int ffs_alloc __P((struct inode *, daddr_t, daddr_t , int, struct ucred *,
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daddr_t *));
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int ffs_realloccg __P((struct inode *, daddr_t, daddr_t, int, int ,
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struct ucred *, struct buf **, daddr_t *));
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int ffs_reallocblks __P((void *));
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int ffs_valloc __P((void *));
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daddr_t ffs_blkpref_ufs1 __P((struct inode *, daddr_t, int, int32_t *));
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daddr_t ffs_blkpref_ufs2 __P((struct inode *, daddr_t, int, int64_t *));
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void ffs_blkfree __P((struct inode *, daddr_t, long));
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int ffs_vfree __P((void *));
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void ffs_clusteracct __P((struct fs *, struct cg *, int32_t, int));
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/* ffs_balloc.c */
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int ffs_balloc __P((void *));
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/* ffs_bswap.c */
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void ffs_sb_swap __P((struct fs*, struct fs *));
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void ffs_dinode1_swap __P((struct ufs1_dinode *, struct ufs1_dinode *));
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void ffs_dinode2_swap __P((struct ufs2_dinode *, struct ufs2_dinode *));
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void ffs_csum_swap __P((struct csum *, struct csum *, int));
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void ffs_csumtotal_swap __P((struct csum_total *, struct csum_total *));
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void ffs_cg_swap __P((struct cg *, struct cg *, struct fs *));
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/* ffs_inode.c */
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int ffs_update __P((void *));
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int ffs_truncate __P((void *));
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/* ffs_subr.c */
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void ffs_load_inode __P((struct buf *, struct inode *, struct fs *, ino_t));
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int ffs_blkatoff __P((void *));
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int ffs_freefile __P((void *));
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void ffs_fragacct __P((struct fs *, int, int32_t[], int, int));
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#ifdef DIAGNOSTIC
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void ffs_checkoverlap __P((struct buf *, struct inode *));
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#endif
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int ffs_isblock __P((struct fs *, u_char *, int32_t));
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int ffs_isfreeblock __P((struct fs *, u_char *, int32_t));
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void ffs_clrblock __P((struct fs *, u_char *, int32_t));
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void ffs_setblock __P((struct fs *, u_char *, int32_t));
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/* ffs_vfsops.c */
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void ffs_init __P((void));
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void ffs_reinit __P((void));
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void ffs_done __P((void));
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int ffs_mountroot __P((void));
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int ffs_mount __P((struct mount *, const char *, void *, struct nameidata *,
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struct proc *));
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int ffs_reload __P((struct mount *, struct ucred *, struct proc *));
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int ffs_mountfs __P((struct vnode *, struct mount *, struct proc *));
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int ffs_unmount __P((struct mount *, int, struct proc *));
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int ffs_flushfiles __P((struct mount *, int, struct proc *));
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int ffs_statfs __P((struct mount *, struct statfs *, struct proc *));
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int ffs_sync __P((struct mount *, int, struct ucred *, struct proc *));
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int ffs_vget __P((struct mount *, ino_t, struct vnode **));
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int ffs_fhtovp __P((struct mount *, struct fid *, struct vnode **));
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int ffs_vptofh __P((struct vnode *, struct fid *));
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int ffs_sysctl __P((int *, u_int, void *, size_t *, void *, size_t,
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struct proc *));
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int ffs_sbupdate __P((struct ufsmount *, int));
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int ffs_cgupdate __P((struct ufsmount *, int));
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/* ffs_appleufs.c */
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u_int16_t ffs_appleufs_cksum __P((const struct appleufslabel *));
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int ffs_appleufs_validate __P((const char*,const struct appleufslabel *,struct appleufslabel *));
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void ffs_appleufs_set __P((struct appleufslabel *, const char *, time_t));
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/* ffs_vnops.c */
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int ffs_read __P((void *));
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int ffs_write __P((void *));
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int ffs_fsync __P((void *));
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int ffs_reclaim __P((void *));
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int ffs_getpages __P((void *));
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int ffs_putpages __P((void *));
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void ffs_gop_size __P((struct vnode *, off_t, off_t *, int));
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__END_DECLS
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/*
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* Soft dependency function prototypes.
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*/
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void softdep_initialize __P((void));
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void softdep_reinitialize __P((void));
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int softdep_mount __P((struct vnode *, struct mount *, struct fs *,
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struct ucred *));
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int softdep_flushfiles __P((struct mount *, int, struct proc *));
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void softdep_update_inodeblock __P((struct inode *, struct buf *, int));
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void softdep_load_inodeblock __P((struct inode *));
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void softdep_freefile __P((void *));
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void softdep_setup_freeblocks __P((struct inode *, off_t, int));
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void softdep_setup_inomapdep __P((struct buf *, struct inode *, ino_t));
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void softdep_setup_blkmapdep __P((struct buf *, struct fs *, daddr_t));
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void softdep_setup_allocdirect __P((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 __P((struct buf *, struct inode *,
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struct buf *, int, daddr_t));
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void softdep_setup_allocindir_page __P((struct inode *, daddr_t,
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struct buf *, int, daddr_t, daddr_t, struct buf *));
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void softdep_fsync_mountdev __P((struct vnode *));
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int softdep_sync_metadata __P((void *));
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extern int (**ffs_vnodeop_p) __P((void *));
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extern int (**ffs_specop_p) __P((void *));
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extern int (**ffs_fifoop_p) __P((void *));
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#endif /* !_UFS_FFS_FFS_EXTERN_H_ */
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