Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 0 insertions, 448 deletions

diff --git a/ANDROID_3.4.5/fs/nfs/dns_resolve.c b/ANDROID_3.4.5/fs/nfs/dns_resolve.c
deleted file mode 100644
index b3924b8a..00000000
--- a/ANDROID_3.4.5/fs/nfs/dns_resolve.c
+++ /dev/null
@@ -1,448 +0,0 @@
-/*
- * linux/fs/nfs/dns_resolve.c
- *
- * Copyright (c) 2009 Trond Myklebust <Trond.Myklebust@netapp.com>
- *
- * Resolves DNS hostnames into valid ip addresses
- */
-
-#ifdef CONFIG_NFS_USE_KERNEL_DNS
-
-#include <linux/sunrpc/clnt.h>
-#include <linux/dns_resolver.h>
-#include "dns_resolve.h"
-
-ssize_t nfs_dns_resolve_name(struct net *net, char *name, size_t namelen,
-		struct sockaddr *sa, size_t salen)
-{
-	ssize_t ret;
-	char *ip_addr = NULL;
-	int ip_len;
-
-	ip_len = dns_query(NULL, name, namelen, NULL, &ip_addr, NULL);
-	if (ip_len > 0)
-		ret = rpc_pton(net, ip_addr, ip_len, sa, salen);
-	else
-		ret = -ESRCH;
-	kfree(ip_addr);
-	return ret;
-}
-
-#else
-
-#include <linux/hash.h>
-#include <linux/string.h>
-#include <linux/kmod.h>
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/socket.h>
-#include <linux/seq_file.h>
-#include <linux/inet.h>
-#include <linux/sunrpc/clnt.h>
-#include <linux/sunrpc/cache.h>
-#include <linux/sunrpc/svcauth.h>
-#include <linux/sunrpc/rpc_pipe_fs.h>
-
-#include "dns_resolve.h"
-#include "cache_lib.h"
-#include "netns.h"
-
-#define NFS_DNS_HASHBITS 4
-#define NFS_DNS_HASHTBL_SIZE (1 << NFS_DNS_HASHBITS)
-
-struct nfs_dns_ent {
-	struct cache_head h;
-
-	char *hostname;
-	size_t namelen;
-
-	struct sockaddr_storage addr;
-	size_t addrlen;
-};
-
-
-static void nfs_dns_ent_update(struct cache_head *cnew,
-		struct cache_head *ckey)
-{
-	struct nfs_dns_ent *new;
-	struct nfs_dns_ent *key;
-
-	new = container_of(cnew, struct nfs_dns_ent, h);
-	key = container_of(ckey, struct nfs_dns_ent, h);
-
-	memcpy(&new->addr, &key->addr, key->addrlen);
-	new->addrlen = key->addrlen;
-}
-
-static void nfs_dns_ent_init(struct cache_head *cnew,
-		struct cache_head *ckey)
-{
-	struct nfs_dns_ent *new;
-	struct nfs_dns_ent *key;
-
-	new = container_of(cnew, struct nfs_dns_ent, h);
-	key = container_of(ckey, struct nfs_dns_ent, h);
-
-	kfree(new->hostname);
-	new->hostname = kstrndup(key->hostname, key->namelen, GFP_KERNEL);
-	if (new->hostname) {
-		new->namelen = key->namelen;
-		nfs_dns_ent_update(cnew, ckey);
-	} else {
-		new->namelen = 0;
-		new->addrlen = 0;
-	}
-}
-
-static void nfs_dns_ent_put(struct kref *ref)
-{
-	struct nfs_dns_ent *item;
-
-	item = container_of(ref, struct nfs_dns_ent, h.ref);
-	kfree(item->hostname);
-	kfree(item);
-}
-
-static struct cache_head *nfs_dns_ent_alloc(void)
-{
-	struct nfs_dns_ent *item = kmalloc(sizeof(*item), GFP_KERNEL);
-
-	if (item != NULL) {
-		item->hostname = NULL;
-		item->namelen = 0;
-		item->addrlen = 0;
-		return &item->h;
-	}
-	return NULL;
-};
-
-static unsigned int nfs_dns_hash(const struct nfs_dns_ent *key)
-{
-	return hash_str(key->hostname, NFS_DNS_HASHBITS);
-}
-
-static void nfs_dns_request(struct cache_detail *cd,
-		struct cache_head *ch,
-		char **bpp, int *blen)
-{
-	struct nfs_dns_ent *key = container_of(ch, struct nfs_dns_ent, h);
-
-	qword_add(bpp, blen, key->hostname);
-	(*bpp)[-1] = '\n';
-}
-
-static int nfs_dns_upcall(struct cache_detail *cd,
-		struct cache_head *ch)
-{
-	struct nfs_dns_ent *key = container_of(ch, struct nfs_dns_ent, h);
-	int ret;
-
-	ret = nfs_cache_upcall(cd, key->hostname);
-	if (ret)
-		ret = sunrpc_cache_pipe_upcall(cd, ch, nfs_dns_request);
-	return ret;
-}
-
-static int nfs_dns_match(struct cache_head *ca,
-		struct cache_head *cb)
-{
-	struct nfs_dns_ent *a;
-	struct nfs_dns_ent *b;
-
-	a = container_of(ca, struct nfs_dns_ent, h);
-	b = container_of(cb, struct nfs_dns_ent, h);
-
-	if (a->namelen == 0 || a->namelen != b->namelen)
-		return 0;
-	return memcmp(a->hostname, b->hostname, a->namelen) == 0;
-}
-
-static int nfs_dns_show(struct seq_file *m, struct cache_detail *cd,
-		struct cache_head *h)
-{
-	struct nfs_dns_ent *item;
-	long ttl;
-
-	if (h == NULL) {
-		seq_puts(m, "# ip address      hostname        ttl\n");
-		return 0;
-	}
-	item = container_of(h, struct nfs_dns_ent, h);
-	ttl = item->h.expiry_time - seconds_since_boot();
-	if (ttl < 0)
-		ttl = 0;
-
-	if (!test_bit(CACHE_NEGATIVE, &h->flags)) {
-		char buf[INET6_ADDRSTRLEN+IPV6_SCOPE_ID_LEN+1];
-
-		rpc_ntop((struct sockaddr *)&item->addr, buf, sizeof(buf));
-		seq_printf(m, "%15s ", buf);
-	} else
-		seq_puts(m, "<none>          ");
-	seq_printf(m, "%15s %ld\n", item->hostname, ttl);
-	return 0;
-}
-
-static struct nfs_dns_ent *nfs_dns_lookup(struct cache_detail *cd,
-		struct nfs_dns_ent *key)
-{
-	struct cache_head *ch;
-
-	ch = sunrpc_cache_lookup(cd,
-			&key->h,
-			nfs_dns_hash(key));
-	if (!ch)
-		return NULL;
-	return container_of(ch, struct nfs_dns_ent, h);
-}
-
-static struct nfs_dns_ent *nfs_dns_update(struct cache_detail *cd,
-		struct nfs_dns_ent *new,
-		struct nfs_dns_ent *key)
-{
-	struct cache_head *ch;
-
-	ch = sunrpc_cache_update(cd,
-			&new->h, &key->h,
-			nfs_dns_hash(key));
-	if (!ch)
-		return NULL;
-	return container_of(ch, struct nfs_dns_ent, h);
-}
-
-static int nfs_dns_parse(struct cache_detail *cd, char *buf, int buflen)
-{
-	char buf1[NFS_DNS_HOSTNAME_MAXLEN+1];
-	struct nfs_dns_ent key, *item;
-	unsigned long ttl;
-	ssize_t len;
-	int ret = -EINVAL;
-
-	if (buf[buflen-1] != '\n')
-		goto out;
-	buf[buflen-1] = '\0';
-
-	len = qword_get(&buf, buf1, sizeof(buf1));
-	if (len <= 0)
-		goto out;
-	key.addrlen = rpc_pton(cd->net, buf1, len,
-			(struct sockaddr *)&key.addr,
-			sizeof(key.addr));
-
-	len = qword_get(&buf, buf1, sizeof(buf1));
-	if (len <= 0)
-		goto out;
-
-	key.hostname = buf1;
-	key.namelen = len;
-	memset(&key.h, 0, sizeof(key.h));
-
-	ttl = get_expiry(&buf);
-	if (ttl == 0)
-		goto out;
-	key.h.expiry_time = ttl + seconds_since_boot();
-
-	ret = -ENOMEM;
-	item = nfs_dns_lookup(cd, &key);
-	if (item == NULL)
-		goto out;
-
-	if (key.addrlen == 0)
-		set_bit(CACHE_NEGATIVE, &key.h.flags);
-
-	item = nfs_dns_update(cd, &key, item);
-	if (item == NULL)
-		goto out;
-
-	ret = 0;
-	cache_put(&item->h, cd);
-out:
-	return ret;
-}
-
-static int do_cache_lookup(struct cache_detail *cd,
-		struct nfs_dns_ent *key,
-		struct nfs_dns_ent **item,
-		struct nfs_cache_defer_req *dreq)
-{
-	int ret = -ENOMEM;
-
-	*item = nfs_dns_lookup(cd, key);
-	if (*item) {
-		ret = cache_check(cd, &(*item)->h, &dreq->req);
-		if (ret)
-			*item = NULL;
-	}
-	return ret;
-}
-
-static int do_cache_lookup_nowait(struct cache_detail *cd,
-		struct nfs_dns_ent *key,
-		struct nfs_dns_ent **item)
-{
-	int ret = -ENOMEM;
-
-	*item = nfs_dns_lookup(cd, key);
-	if (!*item)
-		goto out_err;
-	ret = -ETIMEDOUT;
-	if (!test_bit(CACHE_VALID, &(*item)->h.flags)
-			|| (*item)->h.expiry_time < seconds_since_boot()
-			|| cd->flush_time > (*item)->h.last_refresh)
-		goto out_put;
-	ret = -ENOENT;
-	if (test_bit(CACHE_NEGATIVE, &(*item)->h.flags))
-		goto out_put;
-	return 0;
-out_put:
-	cache_put(&(*item)->h, cd);
-out_err:
-	*item = NULL;
-	return ret;
-}
-
-static int do_cache_lookup_wait(struct cache_detail *cd,
-		struct nfs_dns_ent *key,
-		struct nfs_dns_ent **item)
-{
-	struct nfs_cache_defer_req *dreq;
-	int ret = -ENOMEM;
-
-	dreq = nfs_cache_defer_req_alloc();
-	if (!dreq)
-		goto out;
-	ret = do_cache_lookup(cd, key, item, dreq);
-	if (ret == -EAGAIN) {
-		ret = nfs_cache_wait_for_upcall(dreq);
-		if (!ret)
-			ret = do_cache_lookup_nowait(cd, key, item);
-	}
-	nfs_cache_defer_req_put(dreq);
-out:
-	return ret;
-}
-
-ssize_t nfs_dns_resolve_name(struct net *net, char *name,
-		size_t namelen, struct sockaddr *sa, size_t salen)
-{
-	struct nfs_dns_ent key = {
-		.hostname = name,
-		.namelen = namelen,
-	};
-	struct nfs_dns_ent *item = NULL;
-	ssize_t ret;
-	struct nfs_net *nn = net_generic(net, nfs_net_id);
-
-	ret = do_cache_lookup_wait(nn->nfs_dns_resolve, &key, &item);
-	if (ret == 0) {
-		if (salen >= item->addrlen) {
-			memcpy(sa, &item->addr, item->addrlen);
-			ret = item->addrlen;
-		} else
-			ret = -EOVERFLOW;
-		cache_put(&item->h, nn->nfs_dns_resolve);
-	} else if (ret == -ENOENT)
-		ret = -ESRCH;
-	return ret;
-}
-
-int nfs_dns_resolver_cache_init(struct net *net)
-{
-	int err = -ENOMEM;
-	struct nfs_net *nn = net_generic(net, nfs_net_id);
-	struct cache_detail *cd;
-	struct cache_head **tbl;
-
-	cd = kzalloc(sizeof(struct cache_detail), GFP_KERNEL);
-	if (cd == NULL)
-		goto err_cd;
-
-	tbl = kzalloc(NFS_DNS_HASHTBL_SIZE * sizeof(struct cache_head *),
-			GFP_KERNEL);
-	if (tbl == NULL)
-		goto err_tbl;
-
-	cd->owner = THIS_MODULE,
-	cd->hash_size = NFS_DNS_HASHTBL_SIZE,
-	cd->hash_table = tbl,
-	cd->name = "dns_resolve",
-	cd->cache_put = nfs_dns_ent_put,
-	cd->cache_upcall = nfs_dns_upcall,
-	cd->cache_parse = nfs_dns_parse,
-	cd->cache_show = nfs_dns_show,
-	cd->match = nfs_dns_match,
-	cd->init = nfs_dns_ent_init,
-	cd->update = nfs_dns_ent_update,
-	cd->alloc = nfs_dns_ent_alloc,
-
-	nfs_cache_init(cd);
-	err = nfs_cache_register_net(net, cd);
-	if (err)
-		goto err_reg;
-	nn->nfs_dns_resolve = cd;
-	return 0;
-
-err_reg:
-	nfs_cache_destroy(cd);
-	kfree(cd->hash_table);
-err_tbl:
-	kfree(cd);
-err_cd:
-	return err;
-}
-
-void nfs_dns_resolver_cache_destroy(struct net *net)
-{
-	struct nfs_net *nn = net_generic(net, nfs_net_id);
-	struct cache_detail *cd = nn->nfs_dns_resolve;
-
-	nfs_cache_unregister_net(net, cd);
-	nfs_cache_destroy(cd);
-	kfree(cd->hash_table);
-	kfree(cd);
-}
-
-static int rpc_pipefs_event(struct notifier_block *nb, unsigned long event,
-			   void *ptr)
-{
-	struct super_block *sb = ptr;
-	struct net *net = sb->s_fs_info;
-	struct nfs_net *nn = net_generic(net, nfs_net_id);
-	struct cache_detail *cd = nn->nfs_dns_resolve;
-	int ret = 0;
-
-	if (cd == NULL)
-		return 0;
-
-	if (!try_module_get(THIS_MODULE))
-		return 0;
-
-	switch (event) {
-	case RPC_PIPEFS_MOUNT:
-		ret = nfs_cache_register_sb(sb, cd);
-		break;
-	case RPC_PIPEFS_UMOUNT:
-		nfs_cache_unregister_sb(sb, cd);
-		break;
-	default:
-		ret = -ENOTSUPP;
-		break;
-	}
-	module_put(THIS_MODULE);
-	return ret;
-}
-
-static struct notifier_block nfs_dns_resolver_block = {
-	.notifier_call	= rpc_pipefs_event,
-};
-
-int nfs_dns_resolver_init(void)
-{
-	return rpc_pipefs_notifier_register(&nfs_dns_resolver_block);
-}
-
-void nfs_dns_resolver_destroy(void)
-{
-	rpc_pipefs_notifier_unregister(&nfs_dns_resolver_block);
-}
-#endif