File: [Development] / xfs-cmds / xfsprogs / repair / Attic / io.c (download)
Revision 1.9, Tue Apr 29 01:52:34 2003 UTC (14 years, 5 months ago) by nathans
Branch: MAIN
CVS Tags: XFS-1_3_0pre1 Changes since 1.8: +0 -0
lines
Fix includes to not be relative to paths provided by -I directives, for
the xfsprogs and xfsdump builds. At this stage still provide these gcc
options in the build but later that can be removed too now that headers
are clean.
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/*
* Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
*/
#include <libxfs.h>
#include "globals.h"
#include "agheader.h"
#include "protos.h"
#include "err_protos.h"
void
io_init(void)
{
int i;
/* open up filesystem device */
ASSERT(fs_name != NULL && *fs_name != '\0');
if ((fs_fd = open (fs_name, (no_modify? O_RDONLY : O_RDWR))) < 0) {
do_error(_("couldn't open filesystem \"%s\"\n"), fs_name);
}
/* initialize i/o buffers */
iobuf_size = 1000 * 1024;
smallbuf_size = 4 * 4096; /* enough for an ag */
/*
* sbbuf_size must be < XFS_MIN_AG_BLOCKS (64) * smallest block size,
* otherwise you might get an EOF when reading in the sb/agf from
* the last ag if that ag is small
*/
sbbuf_size = 2 * 4096; /* 2 * max sector size */
if ((iobuf = malloc(iobuf_size)) == NULL)
do_error(_("couldn't malloc io buffer\n"));
if ((smallbuf = malloc(smallbuf_size)) == NULL)
do_error(_("couldn't malloc secondary io buffer\n"));
for (i = 0; i < NUM_SBS; i++) {
if ((sb_bufs[i] = malloc(sbbuf_size)) == NULL)
do_error(_("couldn't malloc sb io buffers\n"));
}
}