2008-04-29 00:22:51 +04:00
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/* $NetBSD: segwrite.h,v 1.2 2008/04/28 20:23:08 martin Exp $ */
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2003-03-28 11:09:52 +03:00
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/*-
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* Copyright (c) 2003 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Konrad E. Schroder <perseant@hhhh.org>.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Determine if it's OK to start a partial in this segment, or if we need
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* to go on to a new segment.
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*/
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#define LFS_PARTIAL_FITS(fs) \
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((fs)->lfs_fsbpseg - ((fs)->lfs_offset - (fs)->lfs_curseg) > \
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fragstofsb((fs), (fs)->lfs_frag))
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/* op values to lfs_writevnodes */
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#define VN_REG 0
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#define VN_DIROP 1
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int lfs_segwrite(struct lfs *, int);
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void lfs_writefile(struct lfs *, struct segment *, struct uvnode *);
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int lfs_writeinode(struct lfs *, struct segment *, struct inode *);
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int lfs_gatherblock(struct segment *, struct ubuf *);
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int lfs_gather(struct lfs *, struct segment *, struct uvnode *,
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int (*match) (struct lfs *, struct ubuf *));
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void lfs_update_single(struct lfs *, struct segment *, daddr_t, int32_t, int);
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void lfs_updatemeta(struct segment *);
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int lfs_initseg(struct lfs *);
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void lfs_newseg(struct lfs *);
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int lfs_writeseg(struct lfs *, struct segment *);
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void lfs_writesuper(struct lfs *, ufs_daddr_t);
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int lfs_match_data(struct lfs *, struct ubuf *);
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int lfs_match_indir(struct lfs *, struct ubuf *);
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int lfs_match_dindir(struct lfs *, struct ubuf *);
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int lfs_match_tindir(struct lfs *, struct ubuf *);
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void lfs_shellsort(struct ubuf **, int32_t *, int, int);
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int ufs_getlbns(struct lfs *, struct uvnode *, daddr_t, struct indir *, int *);
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int ufs_bmaparray(struct lfs *, struct uvnode *, daddr_t, daddr_t *, struct indir *, int *);
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int lfs_seglock(struct lfs *, unsigned long);
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void lfs_segunlock(struct lfs *);
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int lfs_writevnodes(struct lfs *, struct segment *, int);
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void lfs_writesuper(struct lfs *, ufs_daddr_t);
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