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authorJacob McDonnell <jacob@jacobmcdonnell.com>2026-04-25 19:55:15 -0400
committerJacob McDonnell <jacob@jacobmcdonnell.com>2026-04-25 19:55:15 -0400
commit253e67c8b3a72b3a4757fdbc5845297628db0a4a (patch)
treeadf53b66087aa30dfbf8bf391a1dadb044c3bf4d /static/netbsd/man2/lfs_bmapv.2
parenta9157ce950dfe2fc30795d43b9d79b9d1bffc48b (diff)
docs: Added All NetBSD Manuals
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+.\" $NetBSD: lfs_bmapv.2,v 1.10 2008/04/30 13:10:51 martin Exp $
+.\"
+.\" Copyright (c) 2000 The NetBSD Foundation, Inc.
+.\" All rights reserved.
+.\"
+.\" This code is derived from software contributed to The NetBSD Foundation
+.\" by Konrad Schroder.
+.\"
+.\" 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.
+.\"
+.Dd May 23, 2000
+.Dt LFS_BMAPV 2
+.Os
+.Sh NAME
+.Nm lfs_bmapv
+.Nd retrieve disk addresses for arrays of blocks
+.Sh LIBRARY
+.Lb libc
+.Sh SYNOPSIS
+.In sys/types.h
+.In ufs/lfs/lfs.h
+.Ft int
+.Fn lfs_bmapv "fsid_t *fsidp" "BLOCK_INFO *blkiov" "int blkcnt"
+.Sh DESCRIPTION
+.Fn lfs_bmapv
+fills in the bi_daddr field for every block listed in the block array
+.Fa blkiov
+with the disk address corresponding to the logical block
+.Fa bi_lbn
+of the file with inode
+.Fa bi_inode .
+If
+.Fa bi_lbn
+is LFS_UNUSED_LBN, the disk location of the inode block containing the
+file's inode will be returned in
+.Fa bi_daddr
+instead.
+.Pp
+The
+.Fa fsidp
+argument contains the id of the file system to which the inodes and
+blocks belong.
+The
+.Fa blkiov
+argument is an array of BLOCK_INFO structures (see below).
+The
+.Fa blkcnt
+argument determines the size of the
+.Fa blkiov
+array.
+.Bd -literal
+typedef struct block_info {
+ ino_t bi_inode; /* inode # */
+ ufs_daddr_t bi_lbn; /* logical block w/in file */
+ ufs_daddr_t bi_daddr; /* disk address of block */
+ time_t bi_segcreate; /* origin segment create time */
+ int bi_version; /* file version number */
+ void *bi_bp; /* data buffer */
+ int bi_size; /* size of the block (if fragment) */
+} BLOCK_INFO;
+.Ed
+.Sh RETURN VALUES
+.Fn lfs_bmapv
+returns 0 on success, or \-1 on error.
+.Sh ERRORS
+An error return from
+.Fn lfs_bmapv
+indicates:
+.Bl -tag -width Er
+.It Bq Er EFAULT
+.Fa fsidp
+points outside the process's allocated address space.
+.It Bq Er EINVAL
+.Fa *fsidp
+does not specify a valid file system.
+.El
+.Sh SEE ALSO
+.Xr lfs_markv 2 ,
+.Xr lfs_segclean 2 ,
+.Xr lfs_segwait 2 ,
+.Xr lfs_cleanerd 8
+.Sh HISTORY
+The
+.Fn lfs_bmapv
+function call appeared in
+.Bx 4.4 .