/* Network filesystem caching backend to use cache files on a premounted
 * filesystem
 *
 * 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 Licence
 * as published by the Free Software Foundation; either version
 * 2 of the Licence, or (at your option) any later version.
 */

#include <linux/module.h>
#include <linux/init.h>
#include <linux/sched.h>
#include <linux/completion.h>
#include <linux/slab.h>
#include <linux/fs.h>
#include <linux/file.h>
#include <linux/namei.h>
#include <linux/mount.h>
#include <linux/statfs.h>
#include <linux/sysctl.h>
#include <linux/miscdevice.h>
#include "internal.h"

unsigned cachefiles_debug;
module_param_named(debug, cachefiles_debug, uint, S_IWUSR | S_IRUGO);
MODULE_PARM_DESC(cachefiles_debug, "CacheFiles debugging mask");

MODULE_DESCRIPTION("Mounted-filesystem based cache");
MODULE_AUTHOR("Red Hat, Inc.");
MODULE_LICENSE("GPL");

struct kmem_cache *cachefiles_object_jar;

static struct miscdevice cachefiles_dev = {
	.minor	= MISC_DYNAMIC_MINOR,
	.name	= "cachefiles",
	.fops	= &cachefiles_daemon_fops,
};

static void cachefiles_object_init_once(void *_object)
{
	struct cachefiles_object *object = _object;

	memset(object, 0, sizeof(*object));
	spin_lock_init(&object->work_lock);
}

/*
 * initialise the fs caching module
 */
static int __init cachefiles_init(void)
{
	int ret;

	ret = misc_register(&cachefiles_dev);
	if (ret < 0)
		goto error_dev;

	/* create an object jar */
	ret = -ENOMEM;
	cachefiles_object_jar =
		kmem_cache_create("cachefiles_object_jar",
				  sizeof(struct cachefiles_object),
				  0,
				  SLAB_HWCACHE_ALIGN,
				  cachefiles_object_init_once);
	if (!cachefiles_object_jar) {
		pr_notice("Failed to allocate an object jar\n");
		goto error_object_jar;
	}

	ret = cachefiles_proc_init();
	if (ret < 0)
		goto error_proc;

	pr_info("Loaded\n");
	return 0;

error_proc:
	kmem_cache_destroy(cachefiles_object_jar);
error_object_jar:
	misc_deregister(&cachefiles_dev);
error_dev:
	pr_err("failed to register: %d\n", ret);
	return ret;
}

fs_initcall(cachefiles_init);

/*
 * clean up on module removal
 */
static void __exit cachefiles_exit(void)
{
	pr_info("Unloading\n");

	cachefiles_proc_cleanup();
	kmem_cache_destroy(cachefiles_object_jar);
	misc_deregister(&cachefiles_dev);
}

module_exit(cachefiles_exit);
ype='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=4ff0620354f2b39b9fe2a91c22c4de9d1fba0c8e'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include?id=4ff0620354f2b39b9fe2a91c22c4de9d1fba0c8e'>include</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='4ff0620354f2b39b9fe2a91c22c4de9d1fba0c8e'/><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>Julian Anastasov &lt;ja@ssi.bg&gt;</td><td class='right'>2017-02-06 23:14:12 +0200</td></tr>
<tr><th>committer</th><td>David S. Miller &lt;davem@davemloft.net&gt;</td><td class='right'>2017-02-07 13:07:46 -0500</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include?id=4ff0620354f2b39b9fe2a91c22c4de9d1fba0c8e'>4ff0620354f2b39b9fe2a91c22c4de9d1fba0c8e</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include?id=4ff0620354f2b39b9fe2a91c22c4de9d1fba0c8e'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=4ff0620354f2b39b9fe2a91c22c4de9d1fba0c8e'>1d29569c1059553f11c2da53df68f3698df92906</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include?id=4ff0620354f2b39b9fe2a91c22c4de9d1fba0c8e'>include</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include?id=9b8805a325591cf5b6b9df71200de25a2bd721fd'>9b8805a325591cf5b6b9df71200de25a2bd721fd</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include?id=4ff0620354f2b39b9fe2a91c22c4de9d1fba0c8e&amp;id2=9b8805a325591cf5b6b9df71200de25a2bd721fd'>diff</a>)</td></tr></table>
<div class='commit-subject'>net: add dst_pending_confirm flag to skbuff</div><div class='commit-msg'>Add new skbuff flag to allow protocols to confirm neighbour.
When same struct dst_entry can be used for many different
neighbours we can not use it for pending confirmations.

Add sock_confirm_neigh() helper to confirm the neighbour and
use it for IPv4, IPv6 and VRF before dst_neigh_output.

Signed-off-by: Julian Anastasov &lt;ja@ssi.bg&gt;
Acked-by: Eric Dumazet &lt;edumazet@google.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=4ff0620354f2b39b9fe2a91c22c4de9d1fba0c8e'>Diffstat</a> (limited to 'include')</div><table summary='diffstat' class='diffstat'><tr><td class='mode'>-rw-r--r--</td><td class='upd'><a href='/cgit.cgi/linux/net-next.git/diff/include/linux/skbuff.h?id=4ff0620354f2b39b9fe2a91c22c4de9d1fba0c8e'>include/linux/skbuff.h</a></td><td class='right'>12</td><td class='graph'><table summary='file diffstat' width='14%'><tr><td class='add' style='width: 85.7%;'/><td class='rem' style='width: 0.0%;'/><td class='none' style='width: 14.3%;'/></tr></table></td></tr>
<tr><td class='mode'>-rw-r--r--</td><td class='upd'><a href='/cgit.cgi/linux/net-next.git/diff/include/net/sock.h?id=4ff0620354f2b39b9fe2a91c22c4de9d1fba0c8e'>include/net/sock.h</a></td><td class='right'>14</td><td class='graph'><table summary='file diffstat' width='14%'><tr><td class='add' style='width: 100.0%;'/><td class='rem' style='width: 0.0%;'/><td class='none' style='width: 0.0%;'/></tr></table></td></tr>
</table><div class='diffstat-summary'>2 files changed, 26 insertions, 0 deletions</div><table summary='diff' class='diff'><tr><td><div class='head'>diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h