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* Copyright (c) 2004 Silicon Graphics, Inc. All Rights Reserved.
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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* This program is distributed in the hope that it would be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* Further, this software is distributed without any warranty that it is
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* free of the rightful claim of any third person regarding infringement
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* or the like. Any license provided herein, whether implied or
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* otherwise, applies only to this software file. Patent licenses, if
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* any, provided herein do not apply to combinations of this program with
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* other software, or any other product whatsoever.
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write the Free Software Foundation, Inc., 59
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* Temple Place - Suite 330, Boston MA 02111-1307, USA.
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* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
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* Mountain View, CA 94043, or:
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* For further information regarding this notice, see:
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* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
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return get_driver_block_major("device-mapper", major(dev));
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int count, stripes = 0, stripesize = 0;
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char *dpath, *largv[4], tmppath[PATH_MAX];
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long long offset, size;
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static char *command = "table"; /* dmsetup table /dev/xxx */
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if (!mnt_is_dm_subvol(sb->st_rdev))
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/* Quest for dmsetup */
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if (!access("/usr/local/sbin/dmsetup", R_OK|X_OK))
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largv[0] = "/usr/local/sbin/dmsetup";
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else if (!access("/usr/sbin/dmsetup", R_OK|X_OK))
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largv[0] = "/usr/sbin/dmsetup";
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else if (!access("/sbin/dmsetup", R_OK|X_OK))
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largv[0] = "/sbin/dmsetup";
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_("Warning - device mapper device, but no dmsetup(8) found\n"));
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if (!(dpath = realpath(dfile, tmppath))) {
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_("Warning - device mapper device, but cannot resolve path %s: %s\n"),
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dfile, strerror(errno));
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if (pipe(dmpipe) < 0) {
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fprintf(stderr, _("Could not open pipe\n"));
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if (dmpipe[1] != STDOUT_FILENO)
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dup2(dmpipe[1], STDOUT_FILENO);
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execv(largv[0], largv);
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fprintf(stderr, _("Failed to execute %s\n"), largv[0]);
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fprintf(stderr, _("Failed forking dmsetup process\n"));
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stream = fdopen(dmpipe[0], "r");
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count = fscanf(stream, "%lld %lld striped %d %d ",
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&offset, &size, &stripes, &stripesize);
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*swidth = (stripes * stripesize);