+
+/*
+ * Note that fields may be added, removed or reordered in the future. Programs
+ * scraping this file for info should test the labels to ensure they're
+ * getting the correct field.
+ */
+static int nfsd_reply_cache_stats_show(struct seq_file *m, void *v)
+{
+ spin_lock(&cache_lock);
+ seq_printf(m, "max entries: %u\n", max_drc_entries);
+ seq_printf(m, "num entries: %u\n", num_drc_entries);
+ seq_printf(m, "hash buckets: %u\n", 1 << maskbits);
+ seq_printf(m, "mem usage: %u\n", drc_mem_usage);
+ seq_printf(m, "cache hits: %u\n", nfsdstats.rchits);
+ seq_printf(m, "cache misses: %u\n", nfsdstats.rcmisses);
+ seq_printf(m, "not cached: %u\n", nfsdstats.rcnocache);
+ seq_printf(m, "payload misses: %u\n", payload_misses);
+ seq_printf(m, "longest chain len: %u\n", longest_chain);
+ seq_printf(m, "cachesize at longest: %u\n", longest_chain_cachesize);
+ spin_unlock(&cache_lock);
+ return 0;
+}
+
+int nfsd_reply_cache_stats_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, nfsd_reply_cache_stats_show, NULL);
+}