Merge branch 'akpm' (final batch from Andrew)

Merge third patch-bumb from Andrew Morton:
 "This wraps me up for -rc1.
   - Lots of misc stuff and things which were deferred/missed from
     patchbombings 1 & 2.
   - ocfs2 things
   - lib/scatterlist
   - hfsplus
   - fatfs
   - documentation
   - signals
   - procfs
   - lockdep
   - coredump
   - seqfile core
   - kexec
   - Tejun's large IDR tree reworkings
   - ipmi
   - partitions
   - nbd
   - random() things
   - kfifo
   - tools/testing/selftests updates
   - Sasha's large and pointless hlist cleanup"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (163 commits)
  hlist: drop the node parameter from iterators
  kcmp: make it depend on CHECKPOINT_RESTORE
  selftests: add a simple doc
  tools/testing/selftests/Makefile: rearrange targets
  selftests/efivarfs: add create-read test
  selftests/efivarfs: add empty file creation test
  selftests: add tests for efivarfs
  kfifo: fix kfifo_alloc() and kfifo_init()
  kfifo: move kfifo.c from kernel/ to lib/
  arch Kconfig: centralise CONFIG_ARCH_NO_VIRT_TO_BUS
  w1: add support for DS2413 Dual Channel Addressable Switch
  memstick: move the dereference below the NULL test
  drivers/pps/clients/pps-gpio.c: use devm_kzalloc
  Documentation/DMA-API-HOWTO.txt: fix typo
  include/linux/eventfd.h: fix incorrect filename is a comment
  mtd: mtd_stresstest: use prandom_bytes()
  mtd: mtd_subpagetest: convert to use prandom library
  mtd: mtd_speedtest: use prandom_bytes
  mtd: mtd_pagetest: convert to use prandom library
  mtd: mtd_oobtest: convert to use prandom library
  ...

1 files changed, 12 insertions, 17 deletions

diff --git a/fs/lockd/host.c b/fs/lockd/host.c
index 0e17090..abdd75d 100644
--- a/fs/lockd/host.c
+++ b/fs/lockd/host.c
@@ -32,15 +32,15 @@
 static struct hlist_head	nlm_server_hosts[NLM_HOST_NRHASH];
 static struct hlist_head	nlm_client_hosts[NLM_HOST_NRHASH];
 
-#define for_each_host(host, pos, chain, table) \
+#define for_each_host(host, chain, table) \
 	for ((chain) = (table); \
 	     (chain) < (table) + NLM_HOST_NRHASH; ++(chain)) \
-		hlist_for_each_entry((host), (pos), (chain), h_hash)
+		hlist_for_each_entry((host), (chain), h_hash)
 
-#define for_each_host_safe(host, pos, next, chain, table) \
+#define for_each_host_safe(host, next, chain, table) \
 	for ((chain) = (table); \
 	     (chain) < (table) + NLM_HOST_NRHASH; ++(chain)) \
-		hlist_for_each_entry_safe((host), (pos), (next), \
+		hlist_for_each_entry_safe((host), (next), \
 						(chain), h_hash)
 
 static unsigned long		nrhosts;
@@ -225,7 +225,6 @@ struct nlm_host *nlmclnt_lookup_host(const struct sockaddr *sap,
 		.net		= net,
 	};
 	struct hlist_head *chain;
-	struct hlist_node *pos;
 	struct nlm_host	*host;
 	struct nsm_handle *nsm = NULL;
 	struct lockd_net *ln = net_generic(net, lockd_net_id);
@@ -237,7 +236,7 @@ struct nlm_host *nlmclnt_lookup_host(const struct sockaddr *sap,
 	mutex_lock(&nlm_host_mutex);
 
 	chain = &nlm_client_hosts[nlm_hash_address(sap)];
-	hlist_for_each_entry(host, pos, chain, h_hash) {
+	hlist_for_each_entry(host, chain, h_hash) {
 		if (host->net != net)
 			continue;
 		if (!rpc_cmp_addr(nlm_addr(host), sap))
@@ -322,7 +321,6 @@ struct nlm_host *nlmsvc_lookup_host(const struct svc_rqst *rqstp,
 				    const size_t hostname_len)
 {
 	struct hlist_head *chain;
-	struct hlist_node *pos;
 	struct nlm_host	*host = NULL;
 	struct nsm_handle *nsm = NULL;
 	struct sockaddr *src_sap = svc_daddr(rqstp);
@@ -350,7 +348,7 @@ struct nlm_host *nlmsvc_lookup_host(const struct svc_rqst *rqstp,
 		nlm_gc_hosts(net);
 
 	chain = &nlm_server_hosts[nlm_hash_address(ni.sap)];
-	hlist_for_each_entry(host, pos, chain, h_hash) {
+	hlist_for_each_entry(host, chain, h_hash) {
 		if (host->net != net)
 			continue;
 		if (!rpc_cmp_addr(nlm_addr(host), ni.sap))
@@ -515,10 +513,9 @@ static struct nlm_host *next_host_state(struct hlist_head *cache,
 {
 	struct nlm_host *host;
 	struct hlist_head *chain;
-	struct hlist_node *pos;
 
 	mutex_lock(&nlm_host_mutex);
-	for_each_host(host, pos, chain, cache) {
+	for_each_host(host, chain, cache) {
 		if (host->h_nsmhandle == nsm
 		    && host->h_nsmstate != info->state) {
 			host->h_nsmstate = info->state;
@@ -570,7 +567,6 @@ void nlm_host_rebooted(const struct nlm_reboot *info)
 static void nlm_complain_hosts(struct net *net)
 {
 	struct hlist_head *chain;
-	struct hlist_node *pos;
 	struct nlm_host	*host;
 
 	if (net) {
@@ -587,7 +583,7 @@ static void nlm_complain_hosts(struct net *net)
 		dprintk("lockd: %lu hosts left:\n", nrhosts);
 	}
 
-	for_each_host(host, pos, chain, nlm_server_hosts) {
+	for_each_host(host, chain, nlm_server_hosts) {
 		if (net && host->net != net)
 			continue;
 		dprintk("       %s (cnt %d use %d exp %ld net %p)\n",
@@ -600,14 +596,13 @@ void
 nlm_shutdown_hosts_net(struct net *net)
 {
 	struct hlist_head *chain;
-	struct hlist_node *pos;
 	struct nlm_host	*host;
 
 	mutex_lock(&nlm_host_mutex);
 
 	/* First, make all hosts eligible for gc */
 	dprintk("lockd: nuking all hosts in net %p...\n", net);
-	for_each_host(host, pos, chain, nlm_server_hosts) {
+	for_each_host(host, chain, nlm_server_hosts) {
 		if (net && host->net != net)
 			continue;
 		host->h_expires = jiffies - 1;
@@ -644,11 +639,11 @@ static void
 nlm_gc_hosts(struct net *net)
 {
 	struct hlist_head *chain;
-	struct hlist_node *pos, *next;
+	struct hlist_node *next;
 	struct nlm_host	*host;
 
 	dprintk("lockd: host garbage collection for net %p\n", net);
-	for_each_host(host, pos, chain, nlm_server_hosts) {
+	for_each_host(host, chain, nlm_server_hosts) {
 		if (net && host->net != net)
 			continue;
 		host->h_inuse = 0;
@@ -657,7 +652,7 @@ nlm_gc_hosts(struct net *net)
 	/* Mark all hosts that hold locks, blocks or shares */
 	nlmsvc_mark_resources(net);
 
-	for_each_host_safe(host, pos, next, chain, nlm_server_hosts) {
+	for_each_host_safe(host, next, chain, nlm_server_hosts) {
 		if (net && host->net != net)
 			continue;
 		if (atomic_read(&host->h_count) || host->h_inuse