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| author | NeilBrown <neilb@suse.de> | 2021-11-29 07:51:25 +0300 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2021-12-13 21:42:51 +0300 |
| commit | 9b6c8c9bebccd5fb785c306b948c08874a88874d (patch) | |
| tree | 8998256835b130819b13a728f521e0b31b407f9d /fs/nfsd/stats.c | |
| parent | ec52361df99b490f6af412b046df9799b92c1050 (diff) | |
| download | linux-9b6c8c9bebccd5fb785c306b948c08874a88874d.tar.xz | |
nfsd: make nfsd_stats.th_cnt atomic_t
This allows us to move the updates for th_cnt out of the mutex.
This is a step towards reducing mutex coverage in nfsd().
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'fs/nfsd/stats.c')
| -rw-r--r-- | fs/nfsd/stats.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/nfsd/stats.c b/fs/nfsd/stats.c index 1d3b881e7382..a8c5a02a84f0 100644 --- a/fs/nfsd/stats.c +++ b/fs/nfsd/stats.c @@ -45,7 +45,7 @@ static int nfsd_proc_show(struct seq_file *seq, void *v) percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_IO_WRITE])); /* thread usage: */ - seq_printf(seq, "th %u 0", nfsdstats.th_cnt); + seq_printf(seq, "th %u 0", atomic_read(&nfsdstats.th_cnt)); /* deprecated thread usage histogram stats */ for (i = 0; i < 10; i++) |