SUNRPC: Store the hashtable size in struct rpc_cred_cache
Cleanup in preparation for allowing the user to determine the maximum hash
table size.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index db13554..eef76a1 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -145,12 +145,15 @@
rpcauth_init_credcache(struct rpc_auth *auth)
{
struct rpc_cred_cache *new;
+ unsigned int hashsize;
int i;
new = kmalloc(sizeof(*new), GFP_KERNEL);
if (!new)
return -ENOMEM;
- for (i = 0; i < RPC_CREDCACHE_NR; i++)
+ new->hashbits = RPC_CREDCACHE_HASHBITS;
+ hashsize = 1U << new->hashbits;
+ for (i = 0; i < hashsize; i++)
INIT_HLIST_HEAD(&new->hashtable[i]);
spin_lock_init(&new->lock);
auth->au_credcache = new;
@@ -183,11 +186,12 @@
LIST_HEAD(free);
struct hlist_head *head;
struct rpc_cred *cred;
+ unsigned int hashsize = 1U << cache->hashbits;
int i;
spin_lock(&rpc_credcache_lock);
spin_lock(&cache->lock);
- for (i = 0; i < RPC_CREDCACHE_NR; i++) {
+ for (i = 0; i < hashsize; i++) {
head = &cache->hashtable[i];
while (!hlist_empty(head)) {
cred = hlist_entry(head->first, struct rpc_cred, cr_hash);
@@ -297,7 +301,7 @@
*entry, *new;
unsigned int nr;
- nr = hash_long(acred->uid, RPC_CREDCACHE_HASHBITS);
+ nr = hash_long(acred->uid, cache->hashbits);
rcu_read_lock();
hlist_for_each_entry_rcu(entry, pos, &cache->hashtable[nr], cr_hash) {