nfsd: remove the cache_disabled flag

With the change to dynamically allocate entries, the cache is never
disabled on the fly. Remove this flag.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

diff --git a/fs/nfsd/nfscache.c b/fs/nfsd/nfscache.c
index d213e6e..69d29d4 100644 (file)
--- a/fs/nfsd/nfscache.c
+++ b/fs/nfsd/nfscache.c
@@ -21,7 +21,6 @@
 
 static struct hlist_head *     cache_hash;
 static struct list_head        lru_head;
-static int                     cache_disabled = 1;
 static struct kmem_cache       *drc_slab;
 static unsigned int            num_drc_entries;
 static unsigned int            max_drc_entries;
@@ -113,7 +112,6 @@ int nfsd_reply_cache_init(void)
        INIT_LIST_HEAD(&lru_head);
        max_drc_entries = nfsd_cache_size_limit();
        num_drc_entries = 0;
-       cache_disabled = 0;
        return 0;
 out_nomem:
        printk(KERN_ERR "nfsd: failed to allocate reply cache\n");
@@ -130,8 +128,6 @@ void nfsd_reply_cache_shutdown(void)
                nfsd_reply_cache_free_locked(rp);
        }
 
-       cache_disabled = 1;
-
        kfree (cache_hash);
        cache_hash = NULL;
 
@@ -215,7 +211,7 @@ nfsd_cache_lookup(struct svc_rqst *rqstp)
        int rtn;
 
        rqstp->rq_cacherep = NULL;
-       if (cache_disabled || type == RC_NOCACHE) {
+       if (type == RC_NOCACHE) {
                nfsdstats.rcnocache++;
                return RC_DOIT;
        }
@@ -345,11 +341,11 @@ found_entry:
 void
 nfsd_cache_update(struct svc_rqst *rqstp, int cachetype, __be32 *statp)
 {
-       struct svc_cacherep *rp;
+       struct svc_cacherep *rp = rqstp->rq_cacherep;
        struct kvec     *resv = &rqstp->rq_res.head[0], *cachv;
        int             len;
 
-       if (!(rp = rqstp->rq_cacherep) || cache_disabled)
+       if (!rp)
                return;
 
        len = resv->iov_len - ((char*)statp - (char*)resv->iov_base);