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| author | Jeff Layton <jlayton@kernel.org> | 2022-11-02 14:44:47 -0400 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2022-11-28 12:54:47 -0500 |
| commit | 1f696e230ea5198e393368b319eb55651828d687 (patch) | |
| tree | ada4c63c17e2c43e5fb2f351633fbed80db725dc /fs/nfsd | |
| parent | 296f3d7f419e02d676761aff06502fa005e13b52 (diff) | |
| download | linux-stable-1f696e230ea5198e393368b319eb55651828d687.tar.gz linux-stable-1f696e230ea5198e393368b319eb55651828d687.tar.bz2 linux-stable-1f696e230ea5198e393368b319eb55651828d687.zip | |
nfsd: remove the pages_flushed statistic from filecache
We're counting mapping->nrpages, but not all of those are necessarily
dirty. We don't really have a simple way to count just the dirty pages,
so just remove this stat since it's not accurate.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'fs/nfsd')
| -rw-r--r-- | fs/nfsd/filecache.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c index deab9b765c88..2d543a452858 100644 --- a/fs/nfsd/filecache.c +++ b/fs/nfsd/filecache.c @@ -58,7 +58,6 @@ 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); static DEFINE_PER_CPU(unsigned long, nfsd_file_total_age); -static DEFINE_PER_CPU(unsigned long, nfsd_file_pages_flushed); static DEFINE_PER_CPU(unsigned long, nfsd_file_evictions); struct nfsd_fcache_disposal { @@ -396,7 +395,6 @@ nfsd_file_flush(struct nfsd_file *nf) if (!file || !(file->f_mode & FMODE_WRITE)) return; - this_cpu_add(nfsd_file_pages_flushed, file->f_mapping->nrpages); if (vfs_fsync(file, 1) != 0) nfsd_reset_write_verifier(net_generic(nf->nf_net, nfsd_net_id)); } @@ -1023,7 +1021,6 @@ nfsd_file_cache_shutdown(void) per_cpu(nfsd_file_acquisitions, i) = 0; per_cpu(nfsd_file_releases, i) = 0; per_cpu(nfsd_file_total_age, i) = 0; - per_cpu(nfsd_file_pages_flushed, i) = 0; per_cpu(nfsd_file_evictions, i) = 0; } } @@ -1238,7 +1235,7 @@ nfsd_file_create(struct svc_rqst *rqstp, struct svc_fh *fhp, */ int nfsd_file_cache_stats_show(struct seq_file *m, void *v) { - unsigned long releases = 0, pages_flushed = 0, evictions = 0; + unsigned long releases = 0, evictions = 0; unsigned long hits = 0, acquisitions = 0; unsigned int i, count = 0, buckets = 0; unsigned long lru = 0, total_age = 0; @@ -1266,7 +1263,6 @@ int nfsd_file_cache_stats_show(struct seq_file *m, void *v) releases += per_cpu(nfsd_file_releases, i); total_age += per_cpu(nfsd_file_total_age, i); evictions += per_cpu(nfsd_file_evictions, i); - pages_flushed += per_cpu(nfsd_file_pages_flushed, i); } seq_printf(m, "total entries: %u\n", count); @@ -1280,6 +1276,5 @@ int nfsd_file_cache_stats_show(struct seq_file *m, void *v) seq_printf(m, "mean age (ms): %ld\n", total_age / releases); else seq_printf(m, "mean age (ms): -\n"); - seq_printf(m, "pages flushed: %lu\n", pages_flushed); return 0; } |