nfsd: rename NFSD_NET_* to NFSD_STATS_*

We're going to merge the stats all into per network namespace in
subsequent patches, rename these nn counters to be consistent with the
rest of the stats.
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>

fs/nfsd/netns.h

@@ -26,9 +26,9 @@ struct nfsd4_client_tracking_ops;
 
 enum {
 	/* cache misses due only to checksum comparison failures */
-	NFSD_NET_PAYLOAD_MISSES,
+	NFSD_STATS_PAYLOAD_MISSES,
 	/* amount of memory (in bytes) currently consumed by the DRC */
-	NFSD_NET_DRC_MEM_USAGE,
+	NFSD_STATS_DRC_MEM_USAGE,
 	NFSD_NET_COUNTERS_NUM
 };
 

fs/nfsd/nfscache.c

@@ -687,7 +687,7 @@ int nfsd_reply_cache_stats_show(struct seq_file *m, void *v)
 		   atomic_read(&nn->num_drc_entries));
 	seq_printf(m, "hash buckets:          %u\n", 1 << nn->maskbits);
 	seq_printf(m, "mem usage:             %lld\n",
-		   percpu_counter_sum_positive(&nn->counter[NFSD_NET_DRC_MEM_USAGE]));
+		   percpu_counter_sum_positive(&nn->counter[NFSD_STATS_DRC_MEM_USAGE]));
 	seq_printf(m, "cache hits:            %lld\n",
 		   percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_RC_HITS]));
 	seq_printf(m, "cache misses:          %lld\n",
@@ -695,7 +695,7 @@ int nfsd_reply_cache_stats_show(struct seq_file *m, void *v)
 	seq_printf(m, "not cached:            %lld\n",
 		   percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_RC_NOCACHE]));
 	seq_printf(m, "payload misses:        %lld\n",
-		   percpu_counter_sum_positive(&nn->counter[NFSD_NET_PAYLOAD_MISSES]));
+		   percpu_counter_sum_positive(&nn->counter[NFSD_STATS_PAYLOAD_MISSES]));
 	seq_printf(m, "longest chain len:     %u\n", nn->longest_chain);
 	seq_printf(m, "cachesize at longest:  %u\n", nn->longest_chain_cachesize);
 	return 0;

fs/nfsd/stats.h

@@ -81,17 +81,17 @@ static inline void nfsd_stats_io_write_add(struct svc_export *exp, s64 amount)
 
 static inline void nfsd_stats_payload_misses_inc(struct nfsd_net *nn)
 {
-	percpu_counter_inc(&nn->counter[NFSD_NET_PAYLOAD_MISSES]);
+	percpu_counter_inc(&nn->counter[NFSD_STATS_PAYLOAD_MISSES]);
 }
 
 static inline void nfsd_stats_drc_mem_usage_add(struct nfsd_net *nn, s64 amount)
 {
-	percpu_counter_add(&nn->counter[NFSD_NET_DRC_MEM_USAGE], amount);
+	percpu_counter_add(&nn->counter[NFSD_STATS_DRC_MEM_USAGE], amount);
 }
 
 static inline void nfsd_stats_drc_mem_usage_sub(struct nfsd_net *nn, s64 amount)
 {
-	percpu_counter_sub(&nn->counter[NFSD_NET_DRC_MEM_USAGE], amount);
+	percpu_counter_sub(&nn->counter[NFSD_STATS_DRC_MEM_USAGE], amount);
 }
 
 #ifdef CONFIG_NFSD_V4