1 /* $NetBSD: segwrite.h,v 1.7 2015/09/01 06:15:02 dholland Exp $ */ 2 /*- 3 * Copyright (c) 2003 The NetBSD Foundation, Inc. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to The NetBSD Foundation 7 * by Konrad E. Schroder <perseant@hhhh.org>. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 /* 31 * Determine if it's OK to start a partial in this segment, or if we need 32 * to go on to a new segment. 33 */ 34 #define LFS_PARTIAL_FITS(fs) \ 35 (lfs_sb_getfsbpseg(fs) - (lfs_sb_getoffset(fs) - lfs_sb_getcurseg(fs)) > \ 36 lfs_sb_getfrag(fs)) 37 38 /* op values to lfs_writevnodes */ 39 #define VN_REG 0 40 #define VN_DIROP 1 41 42 int lfs_segwrite(struct lfs *, int); 43 void lfs_writefile(struct lfs *, struct segment *, struct uvnode *); 44 int lfs_writeinode(struct lfs *, struct segment *, struct inode *); 45 int lfs_gatherblock(struct segment *, struct ubuf *); 46 int lfs_gather(struct lfs *, struct segment *, struct uvnode *, 47 int (*match) (struct lfs *, struct ubuf *)); 48 void lfs_updatemeta(struct segment *); 49 int lfs_initseg(struct lfs *); 50 void lfs_newseg(struct lfs *); 51 int lfs_writeseg(struct lfs *, struct segment *); 52 void lfs_writesuper(struct lfs *, daddr_t); 53 54 int lfs_match_data(struct lfs *, struct ubuf *); 55 int lfs_match_indir(struct lfs *, struct ubuf *); 56 int lfs_match_dindir(struct lfs *, struct ubuf *); 57 int lfs_match_tindir(struct lfs *, struct ubuf *); 58 59 int ulfs_getlbns(struct lfs *, struct uvnode *, daddr_t, struct indir *, int *); 60 int ulfs_bmaparray(struct lfs *, struct uvnode *, daddr_t, daddr_t *, struct indir *, int *); 61 62 int lfs_seglock(struct lfs *, unsigned long); 63 void lfs_segunlock(struct lfs *); 64 int lfs_writevnodes(struct lfs *, struct segment *, int); 65 66