987f569678
1. Remove VOP_UPDATE, it is (also) an UFS/{FFS,LFS,EXT2FS,MFS}
intereface function, and now lives in the ufsmount structure.
2. Remove VOP_SEEK, it was unused.
3. Add mode default vops:
VOP_ADVLOCK vop_einval
VOP_CLOSE vop_null
VOP_FSYNC vop_null
VOP_IOCTL vop_enotty
VOP_MMAP vop_einval
VOP_OPEN vop_null
VOP_PATHCONF vop_einval
VOP_READLINK vop_einval
VOP_REALLOCBLKS vop_eopnotsupp
And remove identical functionality from filesystems
4. Add vop_stdpathconf, which returns the canonical stuff. Use
it in the filesystems. (XXX: It's probably wrong that specfs
and fifofs sets this vop, shouldn't it come from the "host"
filesystem, for instance ufs or cd9660 ?)
5. Try to make system wide VOP functions have vop_* names.
6. Initialize the um_* vectors in LFS.
(Recompile your LKMS!!!)
116 lines
5.0 KiB
C
116 lines
5.0 KiB
C
/*
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* modified for EXT2FS support in Lites 1.1
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*
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* Aug 1995, Godmar Back (gback@cs.utah.edu)
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* University of Utah, Department of Computer Science
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*/
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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 8.3 (Berkeley) 4/16/94
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*/
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#ifndef _SYS_GNU_EXT2FS_EXT2_EXTERN_H_
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#define _SYS_GNU_EXT2FS_EXT2_EXTERN_H_
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struct dinode;
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struct ext2_inode;
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struct inode;
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struct mount;
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struct vfsconf;
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struct vnode;
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int ext2_alloc __P((struct inode *,
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daddr_t, daddr_t, int, struct ucred *, daddr_t *));
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int ext2_balloc __P((struct inode *,
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daddr_t, int, struct ucred *, struct buf **, int));
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int ext2_blkatoff __P((struct vnode *, off_t, char **, struct buf **));
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void ext2_blkfree __P((struct inode *, daddr_t, long));
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daddr_t ext2_blkpref __P((struct inode *, daddr_t, int, daddr_t *, daddr_t));
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int ext2_bmap __P((struct vop_bmap_args *));
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int ext2_init __P((struct vfsconf *));
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int ext2_reallocblks __P((struct vop_reallocblks_args *));
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int ext2_reclaim __P((struct vop_reclaim_args *));
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void ext2_setblock __P((struct ext2_sb_info *, u_char *, daddr_t));
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int ext2_truncate __P((struct vnode *, off_t, int, struct ucred *, struct proc *));
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int ext2_update __P((struct vnode *, struct timeval *, struct timeval *, int));
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int ext2_valloc __P((struct vnode *, int, struct ucred *, struct vnode **));
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int ext2_vfree __P((struct vnode *, ino_t, int));
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int ext2_lookup __P((struct vop_cachedlookup_args *));
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int ext2_readdir __P((struct vop_readdir_args *));
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void ext2_print_dinode __P((struct dinode *));
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void ext2_print_inode __P((struct inode *));
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int ext2_direnter __P((struct inode *,
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struct vnode *, struct componentname *));
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int ext2_dirremove __P((struct vnode *, struct componentname *));
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int ext2_dirrewrite __P((struct inode *,
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struct inode *, struct componentname *));
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int ext2_dirempty __P((struct inode *, ino_t, struct ucred *));
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int ext2_checkpath __P((struct inode *, struct inode *, struct ucred *));
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struct ext2_group_desc * get_group_desc __P((struct mount * ,
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unsigned int , struct buf ** ));
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void ext2_discard_prealloc __P((struct inode *));
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int ext2_inactive __P((struct vop_inactive_args *));
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int ll_w_block __P((struct buf *, int ));
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int ext2_new_block __P ((struct mount * mp, unsigned long goal,
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int * prealloc_count,
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int * prealloc_block));
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ino_t ext2_new_inode __P ((const struct inode * dir, int mode));
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unsigned long ext2_count_free __P((struct buf *map, unsigned int numchars));
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void ext2_free_blocks __P((struct mount * mp, unsigned long block,
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unsigned long count));
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void ext2_free_inode __P((struct inode * inode));
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void ext2_ei2di __P((struct ext2_inode *ei, struct dinode *di));
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void ext2_di2ei __P((struct dinode *di, struct ext2_inode *ei));
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void mark_buffer_dirty __P((struct buf *bh));
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#if !defined(__FreeBSD__)
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int bwrite(); /* FFS needs a bwrite routine. XXX */
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#define gettime get_time
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#endif
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/*
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* This macro allows the ufs code to distinguish between an EXT2 and a
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* non-ext2(FFS/LFS) vnode.
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*/
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#define IS_EXT2_VNODE(vp) (vp->v_mount->mnt_stat.f_type == MOUNT_EXT2FS)
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#ifdef DIAGNOSTIC
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void ext2_checkoverlap __P((struct buf *, struct inode *));
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#endif
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extern vop_t **ext2_vnodeop_p;
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extern vop_t **ext2_specop_p;
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extern vop_t **ext2_fifoop_p;
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#endif /* !_SYS_GNU_EXT2FS_EXT2_EXTERN_H_ */
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