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NFSD: Report count of freed filecache items
Surface the count of freed nfsd_file items. Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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@ -44,6 +44,7 @@ struct nfsd_fcache_bucket {
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static DEFINE_PER_CPU(unsigned long, nfsd_file_cache_hits);
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static DEFINE_PER_CPU(unsigned long, nfsd_file_acquisitions);
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static DEFINE_PER_CPU(unsigned long, nfsd_file_releases);
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struct nfsd_fcache_disposal {
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struct work_struct work;
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@ -196,6 +197,8 @@ nfsd_file_free(struct nfsd_file *nf)
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{
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bool flush = false;
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this_cpu_inc(nfsd_file_releases);
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trace_nfsd_file_put_final(nf);
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if (nf->nf_mark)
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nfsd_file_mark_put(nf->nf_mark);
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@ -1050,7 +1053,7 @@ nfsd_file_create(struct svc_rqst *rqstp, struct svc_fh *fhp,
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*/
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static int nfsd_file_cache_stats_show(struct seq_file *m, void *v)
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{
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unsigned long hits = 0, acquisitions = 0;
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unsigned long hits = 0, acquisitions = 0, releases = 0;
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unsigned int i, count = 0, longest = 0;
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unsigned long lru = 0;
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@ -1072,6 +1075,7 @@ static int nfsd_file_cache_stats_show(struct seq_file *m, void *v)
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for_each_possible_cpu(i) {
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hits += per_cpu(nfsd_file_cache_hits, i);
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acquisitions += per_cpu(nfsd_file_acquisitions, i);
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releases += per_cpu(nfsd_file_releases, i);
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}
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seq_printf(m, "total entries: %u\n", count);
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@ -1079,6 +1083,7 @@ static int nfsd_file_cache_stats_show(struct seq_file *m, void *v)
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seq_printf(m, "lru entries: %lu\n", lru);
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seq_printf(m, "cache hits: %lu\n", hits);
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seq_printf(m, "acquisitions: %lu\n", acquisitions);
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seq_printf(m, "releases: %lu\n", releases);
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return 0;
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}
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