NetBSD/sbin/fsck_lfs/segwrite.h

66 lines
2.9 KiB
C

/* $NetBSD: segwrite.h,v 1.7 2015/09/01 06:15:02 dholland Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Konrad E. Schroder <perseant@hhhh.org>.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Determine if it's OK to start a partial in this segment, or if we need
* to go on to a new segment.
*/
#define LFS_PARTIAL_FITS(fs) \
(lfs_sb_getfsbpseg(fs) - (lfs_sb_getoffset(fs) - lfs_sb_getcurseg(fs)) > \
lfs_sb_getfrag(fs))
/* op values to lfs_writevnodes */
#define VN_REG 0
#define VN_DIROP 1
int lfs_segwrite(struct lfs *, int);
void lfs_writefile(struct lfs *, struct segment *, struct uvnode *);
int lfs_writeinode(struct lfs *, struct segment *, struct inode *);
int lfs_gatherblock(struct segment *, struct ubuf *);
int lfs_gather(struct lfs *, struct segment *, struct uvnode *,
int (*match) (struct lfs *, struct ubuf *));
void lfs_updatemeta(struct segment *);
int lfs_initseg(struct lfs *);
void lfs_newseg(struct lfs *);
int lfs_writeseg(struct lfs *, struct segment *);
void lfs_writesuper(struct lfs *, daddr_t);
int lfs_match_data(struct lfs *, struct ubuf *);
int lfs_match_indir(struct lfs *, struct ubuf *);
int lfs_match_dindir(struct lfs *, struct ubuf *);
int lfs_match_tindir(struct lfs *, struct ubuf *);
int ulfs_getlbns(struct lfs *, struct uvnode *, daddr_t, struct indir *, int *);
int ulfs_bmaparray(struct lfs *, struct uvnode *, daddr_t, daddr_t *, struct indir *, int *);
int lfs_seglock(struct lfs *, unsigned long);
void lfs_segunlock(struct lfs *);
int lfs_writevnodes(struct lfs *, struct segment *, int);