Commit d6329327 authored by Chuck Lever's avatar Chuck Lever
Browse files

NFSD: Report count of freed filecache items 



Surface the count of freed nfsd_file items.

Reviewed-by: default avatarJeff Layton <jlayton@kernel.org>
Signed-off-by: default avatarChuck Lever <chuck.lever@oracle.com>
parent 29d4bdbb

fs/nfsd/filecache.c

+6 −1
Original line number Diff line number Diff line
@@ -44,6 +44,7 @@ struct nfsd_fcache_bucket { 


static DEFINE_PER_CPU(unsigned long, nfsd_file_cache_hits);

static DEFINE_PER_CPU(unsigned long, nfsd_file_acquisitions);

static DEFINE_PER_CPU(unsigned long, nfsd_file_releases);



struct nfsd_fcache_disposal {

	struct work_struct work;
@@ -196,6 +197,8 @@ nfsd_file_free(struct nfsd_file *nf) 
{

	bool flush = false;



	this_cpu_inc(nfsd_file_releases);



	trace_nfsd_file_put_final(nf);

	if (nf->nf_mark)

		nfsd_file_mark_put(nf->nf_mark);
@@ -1050,7 +1053,7 @@ nfsd_file_create(struct svc_rqst *rqstp, struct svc_fh *fhp, 
 */

static int nfsd_file_cache_stats_show(struct seq_file *m, void *v)

{

	unsigned long hits = 0, acquisitions = 0;

	unsigned long hits = 0, acquisitions = 0, releases = 0;

	unsigned int i, count = 0, longest = 0;

	unsigned long lru = 0;
@@ -1072,6 +1075,7 @@ static int nfsd_file_cache_stats_show(struct seq_file *m, void *v) 
	for_each_possible_cpu(i) {

		hits += per_cpu(nfsd_file_cache_hits, i);

		acquisitions += per_cpu(nfsd_file_acquisitions, i);

		releases += per_cpu(nfsd_file_releases, i);

	}



	seq_printf(m, "total entries: %u\n", count);
@@ -1079,6 +1083,7 @@ static int nfsd_file_cache_stats_show(struct seq_file *m, void *v) 
	seq_printf(m, "lru entries:   %lu\n", lru);

	seq_printf(m, "cache hits:    %lu\n", hits);

	seq_printf(m, "acquisitions:  %lu\n", acquisitions);

	seq_printf(m, "releases:      %lu\n", releases);

	return 0;

}