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| author | Chuck Lever <chuck.lever@oracle.com> | 2022-07-08 14:24:05 -0400 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2022-07-29 20:09:22 -0400 |
| commit | d63293272abb51c02457f1017dfd61c3270d9ae3 (patch) | |
| tree | 83b5091482632e5e3a8c076aa00526c00524a716 /fs/nfsd/filecache.c | |
| parent | 29d4bdbbb910f33d6058d2c51278f00f656df325 (diff) | |
| download | lwn-d63293272abb51c02457f1017dfd61c3270d9ae3.tar.gz lwn-d63293272abb51c02457f1017dfd61c3270d9ae3.zip | |
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>
Diffstat (limited to 'fs/nfsd/filecache.c')
| -rw-r--r-- | fs/nfsd/filecache.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c index 6e9d1af86e7b..e15e719ede9d 100644 --- a/fs/nfsd/filecache.c +++ b/fs/nfsd/filecache.c @@ -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; } |