/* FS-Cache statistics viewing interface
 *
 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells (dhowells@redhat.com)
 *
 * This program 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.
 */

#define FSCACHE_DEBUG_LEVEL OPERATION
#include <linux/module.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include "internal.h"

/*
 * initialise the /proc/fs/fscache/ directory
 */
int __init fscache_proc_init(void)
{
	_enter("");

	if (!proc_mkdir("fs/fscache", NULL))
		goto error_dir;

#ifdef CONFIG_FSCACHE_STATS
	if (!proc_create("fs/fscache/stats", S_IFREG | 0444, NULL,
			 &fscache_stats_fops))
		goto error_stats;
#endif

#ifdef CONFIG_FSCACHE_HISTOGRAM
	if (!proc_create("fs/fscache/histogram", S_IFREG | 0444, NULL,
			 &fscache_histogram_fops))
		goto error_histogram;
#endif

#ifdef CONFIG_FSCACHE_OBJECT_LIST
	if (!proc_create("fs/fscache/objects", S_IFREG | 0444, NULL,
			 &fscache_objlist_fops))
		goto error_objects;
#endif

	_leave(" = 0");
	return 0;

#ifdef CONFIG_FSCACHE_OBJECT_LIST
error_objects:
#endif
#ifdef CONFIG_FSCACHE_HISTOGRAM
	remove_proc_entry("fs/fscache/histogram", NULL);
error_histogram:
#endif
#ifdef CONFIG_FSCACHE_STATS
	remove_proc_entry("fs/fscache/stats", NULL);
error_stats:
#endif
	remove_proc_entry("fs/fscache", NULL);
error_dir:
	_leave(" = -ENOMEM");
	return -ENOMEM;
}

/*
 * clean up the /proc/fs/fscache/ directory
 */
void fscache_proc_cleanup(void)
{
#ifdef CONFIG_FSCACHE_OBJECT_LIST
	remove_proc_entry("fs/fscache/objects", NULL);
#endif
#ifdef CONFIG_FSCACHE_HISTOGRAM
	remove_proc_entry("fs/fscache/histogram", NULL);
#endif
#ifdef CONFIG_FSCACHE_STATS
	remove_proc_entry("fs/fscache/stats", NULL);
#endif
	remove_proc_entry("fs/fscache", NULL);
}
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=2ad5d52d42810bed95100a3d912679d8864421ec'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include?id=2ad5d52d42810bed95100a3d912679d8864421ec'>include</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/uapi?id=2ad5d52d42810bed95100a3d912679d8864421ec'>uapi</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/uapi/asm-generic?id=2ad5d52d42810bed95100a3d912679d8864421ec'>asm-generic</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/uapi/asm-generic/ipcbuf.h?id=2ad5d52d42810bed95100a3d912679d8864421ec'>ipcbuf.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='2ad5d52d42810bed95100a3d912679d8864421ec'/><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>Helge Deller &lt;deller@gmx.de&gt;</td><td class='right'>2017-01-28 11:52:02 +0100</td></tr>
<tr><th>committer</th><td>Helge Deller &lt;deller@gmx.de&gt;</td><td class='right'>2017-01-28 21:54:23 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/uapi/asm-generic/ipcbuf.h?id=2ad5d52d42810bed95100a3d912679d8864421ec'>2ad5d52d42810bed95100a3d912679d8864421ec</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/uapi/asm-generic/ipcbuf.h?id=2ad5d52d42810bed95100a3d912679d8864421ec'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=2ad5d52d42810bed95100a3d912679d8864421ec'>7f93e2f906b1c86f5b76c0f4c0978d41a8a29861</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/uapi/asm-generic/ipcbuf.h?id=2ad5d52d42810bed95100a3d912679d8864421ec'>include/uapi/asm-generic/ipcbuf.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/uapi/asm-generic/ipcbuf.h?id=83b5d1e3d3013dbf90645a5d07179d018c8243fa'>83b5d1e3d3013dbf90645a5d07179d018c8243fa</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/uapi/asm-generic/ipcbuf.h?id=2ad5d52d42810bed95100a3d912679d8864421ec&amp;id2=83b5d1e3d3013dbf90645a5d07179d018c8243fa'>diff</a>)</td></tr></table>
<div class='commit-subject'>parisc: Don't use BITS_PER_LONG in userspace-exported swab.h header</div><div class='commit-msg'>In swab.h the "#if BITS_PER_LONG &gt; 32" breaks compiling userspace programs if
BITS_PER_LONG is #defined by userspace with the sizeof() compiler builtin.

Solve this problem by using __BITS_PER_LONG instead.  Since we now
#include asm/bitsperlong.h avoid further potential userspace pollution
by moving the #define of SHIFT_PER_LONG to bitops.h which is not
exported to userspace.

This patch unbreaks compiling qemu on hppa/parisc.

Signed-off-by: Helge Deller &lt;deller@gmx.de&gt;
Cc: &lt;stable@vger.kernel.org&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=2ad5d52d42810bed95100a3d912679d8864421ec'>Diffstat</a> (limited to 'include/uapi/asm-generic/ipcbuf.h')</div><table summary='diffstat' class='diffstat'>