diff options
| author | Amir Goldstein <amir73il@gmail.com> | 2021-01-06 09:52:35 +0200 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2021-01-25 09:36:27 -0500 |
| commit | e567b98ce9a4b35b63c364d24828a9e5cd7a8179 (patch) | |
| tree | 7c59a1e119f6e11cb195a08d7fe055857186194f /fs/nfsd/nfs4proc.c | |
| parent | 1b76d1df1a3683b6b23cd1c813d13c5e6a9d35e5 (diff) | |
nfsd: protect concurrent access to nfsd stats counters
nfsd stats counters can be updated by concurrent nfsd threads without any
protection.
Convert some nfsd_stats and nfsd_net struct members to use percpu counters.
The longest_chain* members of struct nfsd_net remain unprotected.
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'fs/nfsd/nfs4proc.c')
| -rw-r--r-- | fs/nfsd/nfs4proc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index f567592692ee..8273a99359d1 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -2174,7 +2174,7 @@ nfsd4_proc_null(struct svc_rqst *rqstp) static inline void nfsd4_increment_op_stats(u32 opnum) { if (opnum >= FIRST_NFS4_OP && opnum <= LAST_NFS4_OP) - nfsdstats.nfs4_opcount[opnum]++; + percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_NFS4_OP(opnum)]); } static const struct nfsd4_operation nfsd4_ops[]; |