diff options
| author | Jeff Layton <jlayton@kernel.org> | 2024-04-05 14:40:51 -0400 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2024-05-06 09:07:19 -0400 |
| commit | 9320f27fda5498c80f9e0c7d8c80d50e8297d89e (patch) | |
| tree | 4756a9b9591c565833f2d8f4474bfbebc153b490 /fs/nfsd/nfs4state.c | |
| parent | 2d49901150ecf82f9a3d3d2dc30e38b17fef71a0 (diff) | |
nfsd: add tracepoint in mark_client_expired_locked
Show client info alongside the number of cl_rpc_users. If that's
elevated, then we can infer that this function returned nfserr_jukebox.
[ cel: For additional debugging of RPC user refcounting ]
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Tested-by: Vladimir Benes <vbenes@redhat.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'fs/nfsd/nfs4state.c')
| -rw-r--r-- | fs/nfsd/nfs4state.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index bd81217ada7f..66f9a4f031a4 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -2347,7 +2347,11 @@ unhash_client(struct nfs4_client *clp) static __be32 mark_client_expired_locked(struct nfs4_client *clp) { - if (atomic_read(&clp->cl_rpc_users)) + int users = atomic_read(&clp->cl_rpc_users); + + trace_nfsd_mark_client_expired(clp, users); + + if (users) return nfserr_jukebox; unhash_client_locked(clp); return nfs_ok; |