/*
 * sysctl.c - Code for sysctl handling in NTFS Linux kernel driver. Part of
 *	      the Linux-NTFS project. Adapted from the old NTFS driver,
 *	      Copyright (C) 1997 Martin von Löwis, Régis Duchesne
 *
 * Copyright (c) 2002-2005 Anton Altaparmakov
 *
 * This program/include file is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as published
 * by the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program/include file is distributed in the hope that it will be
 * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program (in the main directory of the Linux-NTFS
 * distribution in the file COPYING); if not, write to the Free Software
 * Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifdef DEBUG

#include <linux/module.h>

#ifdef CONFIG_SYSCTL

#include <linux/proc_fs.h>
#include <linux/sysctl.h>

#include "sysctl.h"
#include "debug.h"

/* Definition of the ntfs sysctl. */
static struct ctl_table ntfs_sysctls[] = {
	{
		.procname	= "ntfs-debug",
		.data		= &debug_msgs,		/* Data pointer and size. */
		.maxlen		= sizeof(debug_msgs),
		.mode		= 0644,			/* Mode, proc handler. */
		.proc_handler	= proc_dointvec
	},
	{}
};

/* Define the parent directory /proc/sys/fs. */
static struct ctl_table sysctls_root[] = {
	{
		.procname	= "fs",
		.mode		= 0555,
		.child		= ntfs_sysctls
	},
	{}
};

/* Storage for the sysctls header. */
static struct ctl_table_header *sysctls_root_table;

/**
 * ntfs_sysctl - add or remove the debug sysctl
 * @add:	add (1) or remove (0) the sysctl
 *
 * Add or remove the debug sysctl. Return 0 on success or -errno on error.
 */
int ntfs_sysctl(int add)
{
	if (add) {
		BUG_ON(sysctls_root_table);
		sysctls_root_table = register_sysctl_table(sysctls_root);
		if (!sysctls_root_table)
			return -ENOMEM;
	} else {
		BUG_ON(!sysctls_root_table);
		unregister_sysctl_table(sysctls_root_table);
		sysctls_root_table = NULL;
	}
	return 0;
}

#endif /* CONFIG_SYSCTL */
#endif /* DEBUG */
/usb/serial/option.c?h=nds-private-remove&amp;id=c14024dbb156c8392908aaa822097d27c6af8ec8'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/drivers/usb/serial/option.c'>
<input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='c14024dbb156c8392908aaa822097d27c6af8ec8'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=c14024dbb156c8392908aaa822097d27c6af8ec8'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers?h=nds-private-remove&amp;id=c14024dbb156c8392908aaa822097d27c6af8ec8'>drivers</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb?h=nds-private-remove&amp;id=c14024dbb156c8392908aaa822097d27c6af8ec8'>usb</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/serial?h=nds-private-remove&amp;id=c14024dbb156c8392908aaa822097d27c6af8ec8'>serial</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/serial/option.c?h=nds-private-remove&amp;id=c14024dbb156c8392908aaa822097d27c6af8ec8'>option.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='c14024dbb156c8392908aaa822097d27c6af8ec8'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Jens Axboe &lt;axboe@fb.com&gt;</td><td class='right'>2017-01-27 11:56:06 -0700</td></tr>
<tr><th>committer</th><td>Jens Axboe &lt;axboe@fb.com&gt;</td><td class='right'>2017-01-27 11:56:06 -0700</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/serial/option.c?h=nds-private-remove&amp;id=c14024dbb156c8392908aaa822097d27c6af8ec8'>c14024dbb156c8392908aaa822097d27c6af8ec8</a> (<a href='/cgit.cgi/linux/net-next.git/patch/drivers/usb/serial/option.c?id=c14024dbb156c8392908aaa822097d27c6af8ec8'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=c14024dbb156c8392908aaa822097d27c6af8ec8'>02f6ffa664b16bd76750c05f62708a518de2acdc</a> /<a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/serial/option.c?h=nds-private-remove&amp;id=c14024dbb156c8392908aaa822097d27c6af8ec8'>drivers/usb/serial/option.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/serial/option.c?h=nds-private-remove&amp;id=08965c2eba135bdfb6e86cf25308e01421c7e0ce'>08965c2eba135bdfb6e86cf25308e01421c7e0ce</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/serial/option.c?h=nds-private-remove&amp;id=c14024dbb156c8392908aaa822097d27c6af8ec8&amp;id2=08965c2eba135bdfb6e86cf25308e01421c7e0ce'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/serial/option.c?h=nds-private-remove&amp;id=3b4f18843e511193e7eb616710e838f5852e661d'>3b4f18843e511193e7eb616710e838f5852e661d</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/serial/option.c?h=nds-private-remove&amp;id=c14024dbb156c8392908aaa822097d27c6af8ec8&amp;id2=3b4f18843e511193e7eb616710e838f5852e661d'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge branch 'stable/for-jens-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen into for-linus</div><div class='commit-msg'>Konrad writes:

Please pull in your 'for-linus' branch two little fixes for Xen
block front:

One fix is for handling the XEN_PAGE_SIZE != PAGE_SIZE (4KB vs 64KB
on ARM for example) mishandling while the other is fixing
the accounting for the configuration changes.
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=c14024dbb156c8392908aaa822097d27c6af8ec8'>Diffstat</a> (limited to 'drivers/usb/serial/option.c')</div><table summary='diffstat' class='diffstat'>