1.\" $NetBSD: lfs_bmapv.2,v 1.10 2008/04/30 13:10:51 martin Exp $ 2.\" 3.\" Copyright (c) 2000 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Konrad Schroder. 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.Dd May 23, 2000 31.Dt LFS_BMAPV 2 32.Os 33.Sh NAME 34.Nm lfs_bmapv 35.Nd retrieve disk addresses for arrays of blocks 36.Sh LIBRARY 37.Lb libc 38.Sh SYNOPSIS 39.In sys/types.h 40.In ufs/lfs/lfs.h 41.Ft int 42.Fn lfs_bmapv "fsid_t *fsidp" "BLOCK_INFO *blkiov" "int blkcnt" 43.Sh DESCRIPTION 44.Fn lfs_bmapv 45fills in the bi_daddr field for every block listed in the block array 46.Fa blkiov 47with the disk address corresponding to the logical block 48.Fa bi_lbn 49of the file with inode 50.Fa bi_inode . 51If 52.Fa bi_lbn 53is LFS_UNUSED_LBN, the disk location of the inode block containing the 54file's inode will be returned in 55.Fa bi_daddr 56instead. 57.Pp 58The 59.Fa fsidp 60argument contains the id of the file system to which the inodes and 61blocks belong. 62The 63.Fa blkiov 64argument is an array of BLOCK_INFO structures (see below). 65The 66.Fa blkcnt 67argument determines the size of the 68.Fa blkiov 69array. 70.Bd -literal 71typedef struct block_info { 72 ino_t bi_inode; /* inode # */ 73 ufs_daddr_t bi_lbn; /* logical block w/in file */ 74 ufs_daddr_t bi_daddr; /* disk address of block */ 75 time_t bi_segcreate; /* origin segment create time */ 76 int bi_version; /* file version number */ 77 void *bi_bp; /* data buffer */ 78 int bi_size; /* size of the block (if fragment) */ 79} BLOCK_INFO; 80.Ed 81.Sh RETURN VALUES 82.Fn lfs_bmapv 83returns 0 on success, or \-1 on error. 84.Sh ERRORS 85An error return from 86.Fn lfs_bmapv 87indicates: 88.Bl -tag -width Er 89.It Bq Er EFAULT 90.Fa fsidp 91points outside the process's allocated address space. 92.It Bq Er EINVAL 93.Fa *fsidp 94does not specify a valid file system. 95.El 96.Sh SEE ALSO 97.Xr lfs_markv 2 , 98.Xr lfs_segclean 2 , 99.Xr lfs_segwait 2 , 100.Xr lfs_cleanerd 8 101.Sh HISTORY 102The 103.Fn lfs_bmapv 104function call appeared in 105.Bx 4.4 . 106