hlist: drop the node parameter from iterators

[mirror_ubuntu-artful-kernel.git] / fs / lockd / host.c

diff --git a/fs/lockd/host.c b/fs/lockd/host.c
index 0e17090c310f100f00573590f5653e8e93bab88a..abdd75d44dd46c3ff5b468d355eec03594d31bc6 100644 (file)
--- 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