c9f96392c7
been unlinked (e.g., with a zero link count). We have to expunge all trace of these files from the snapshot so that they are neither reclaimed prematurely by fsck nor saved unnecessarily by dump.
132 lines
5.9 KiB
C
132 lines
5.9 KiB
C
/*-
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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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* $FreeBSD$
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*/
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#ifndef _UFS_FFS_EXTERN_H
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#define _UFS_FFS_EXTERN_H
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struct buf;
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struct cg;
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struct fid;
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struct fs;
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struct inode;
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struct malloc_type;
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struct mount;
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struct thread;
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struct sockaddr;
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struct statfs;
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struct ucred;
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struct vnode;
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struct vop_balloc_args;
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struct vop_fsync_args;
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struct vop_reallocblks_args;
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struct vop_copyonwrite_args;
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int ffs_alloc __P((struct inode *,
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ufs_daddr_t, ufs_daddr_t, int, struct ucred *, ufs_daddr_t *));
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int ffs_balloc __P((struct vnode *a_vp, off_t a_startoffset, int a_size,
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struct ucred *a_cred, int a_flags, struct buf **a_bpp));
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int ffs_blkatoff __P((struct vnode *, off_t, char **, struct buf **));
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void ffs_blkfree __P((struct fs *, struct vnode *, ufs_daddr_t, long,
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ino_t));
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ufs_daddr_t ffs_blkpref __P((struct inode *, ufs_daddr_t, int, ufs_daddr_t *));
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void ffs_clrblock __P((struct fs *, u_char *, ufs_daddr_t));
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void ffs_clusteracct __P((struct fs *, struct cg *, ufs_daddr_t, int));
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int ffs_fhtovp __P((struct mount *, struct fid *, struct vnode **));
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int ffs_flushfiles __P((struct mount *, int, struct thread *));
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void ffs_fragacct __P((struct fs *, int, int32_t [], int));
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int ffs_freefile __P((struct fs *, struct vnode *, ino_t, int ));
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int ffs_isblock __P((struct fs *, u_char *, ufs_daddr_t));
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int ffs_isfreeblock __P((struct fs *, unsigned char *, ufs_daddr_t));
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int ffs_mountfs __P((struct vnode *, struct mount *, struct thread *,
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struct malloc_type *));
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int ffs_mountroot __P((void));
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int ffs_mount __P((struct mount *, char *, caddr_t, struct nameidata *,
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struct thread *));
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int ffs_reallocblks __P((struct vop_reallocblks_args *));
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int ffs_realloccg __P((struct inode *,
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ufs_daddr_t, ufs_daddr_t, int, int, struct ucred *, struct buf **));
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void ffs_setblock __P((struct fs *, u_char *, ufs_daddr_t));
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int ffs_snapblkfree __P((struct fs *, struct vnode *, ufs_daddr_t,
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long, ino_t));
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void ffs_snapremove __P((struct vnode *vp));
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int ffs_snapshot __P((struct mount *mp, char *snapfile));
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void ffs_snapshot_mount __P((struct mount *mp));
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void ffs_snapshot_unmount __P((struct mount *mp));
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int ffs_statfs __P((struct mount *, struct statfs *, struct thread *));
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int ffs_sync __P((struct mount *, int, struct ucred *, struct thread *));
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int ffs_truncate __P((struct vnode *, off_t, int, struct ucred *, struct thread *));
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int ffs_unmount __P((struct mount *, int, struct thread *));
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int ffs_update __P((struct vnode *, int));
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int ffs_valloc __P((struct vnode *, int, struct ucred *, struct vnode **));
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int ffs_vfree __P((struct vnode *, ino_t, int));
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int ffs_vget __P((struct mount *, ino_t, struct vnode **));
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int ffs_vptofh __P((struct vnode *, struct fid *));
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extern vop_t **ffs_vnodeop_p;
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extern vop_t **ffs_specop_p;
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extern vop_t **ffs_fifoop_p;
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/*
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* Soft update function prototypes.
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*/
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void softdep_initialize __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_flushworklist __P((struct mount *, int *, struct thread *));
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int softdep_flushfiles __P((struct mount *, int, struct thread *));
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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((struct vnode *, ino_t, int));
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int softdep_request_cleanup __P((struct fs *, struct vnode *));
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void softdep_setup_freeblocks __P((struct inode *, off_t));
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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 *, ufs_daddr_t));
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void softdep_setup_allocdirect __P((struct inode *, ufs_lbn_t, ufs_daddr_t,
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ufs_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, ufs_daddr_t));
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void softdep_setup_allocindir_page __P((struct inode *, ufs_lbn_t,
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struct buf *, int, ufs_daddr_t, ufs_daddr_t, struct buf *));
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void softdep_fsync_mountdev __P((struct vnode *));
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int softdep_sync_metadata __P((struct vop_fsync_args *));
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/* XXX incorrectly moved to mount.h - should be indirect function */
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#if 0
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int softdep_fsync __P((struct vnode *vp));
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#endif
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#endif /* !_UFS_FFS_EXTERN_H */
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