66 lines
2.5 KiB
C
66 lines
2.5 KiB
C
/*
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* Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2009, 2013
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* The President and Fellows of Harvard College.
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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 UNIVERSITY 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 UNIVERSITY 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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#ifndef INODE_H
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#define INODE_H
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/*
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* The inode module accumulates non-local information about files and
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* directories as other checks are made, and then updates inodes
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* accordingly after the other checks are done.
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*/
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/* Add an inode. Returns 1 if we've seen this inode before. */
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int inode_add(uint32_t ino, int type);
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/* Sort the inode table for faster lookup once all inode_add() done. */
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void inode_sorttable(void);
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/*
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* Remember that we've seen a particular directory. Returns nonzero if
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* we've seen this directory before, which means the directory is
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* crosslinked. Requires inode_sorttable() first.
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*/
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int inode_visitdir(uint32_t ino);
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/*
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* Count a link to a regular file. (Not called for directories.)
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* Requires inode_sorttable() first.
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*/
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void inode_addlink(uint32_t ino);
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/*
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* Correct the link counts of regular files, once all inode_addlink()
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* done.
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*/
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void inode_adjust_filelinks(void);
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#endif /* INODE_H */
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