diff options
author | Olga Kornievskaia <kolga@netapp.com> | 2024-02-02 23:21:13 +0300 |
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committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2024-03-09 17:14:50 +0300 |
commit | 7e5ae43b2d0eb89560bf7da7c9c745d31bf72ffe (patch) | |
tree | 06c218f02b2e974eb803374bd2996f0f4932511a /fs/nfs/nfs4trace.h | |
parent | fd5860ab6341506004219b080aea40213b299d2e (diff) | |
download | linux-7e5ae43b2d0eb89560bf7da7c9c745d31bf72ffe.tar.xz |
NFSv4.1: add tracepoint to trunked nfs4_exchange_id calls
Add a tracepoint to track when the client sends EXCHANGE_ID to test
a new transport for session trunking.
nfs4_detect_session_trunking() tests for trunking and returns
EINVAL if trunking can't be done, add EINVAL mapping to
show_nfs4_status() in tracepoints.
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs/nfs/nfs4trace.h')
-rw-r--r-- | fs/nfs/nfs4trace.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/fs/nfs/nfs4trace.h b/fs/nfs/nfs4trace.h index 713d080fd268..7d9cb980865d 100644 --- a/fs/nfs/nfs4trace.h +++ b/fs/nfs/nfs4trace.h @@ -77,6 +77,36 @@ DEFINE_NFS4_CLIENTID_EVENT(nfs4_bind_conn_to_session); DEFINE_NFS4_CLIENTID_EVENT(nfs4_sequence); DEFINE_NFS4_CLIENTID_EVENT(nfs4_reclaim_complete); +TRACE_EVENT(nfs4_trunked_exchange_id, + TP_PROTO( + const struct nfs_client *clp, + const char *addr, + int error + ), + + TP_ARGS(clp, addr, error), + + TP_STRUCT__entry( + __string(main_addr, clp->cl_hostname) + __string(trunk_addr, addr) + __field(unsigned long, error) + ), + + TP_fast_assign( + __entry->error = error < 0 ? -error : 0; + __assign_str(main_addr, clp->cl_hostname); + __assign_str(trunk_addr, addr); + ), + + TP_printk( + "error=%ld (%s) main_addr=%s trunk_addr=%s", + -__entry->error, + show_nfs4_status(__entry->error), + __get_str(main_addr), + __get_str(trunk_addr) + ) +); + TRACE_EVENT(nfs4_sequence_done, TP_PROTO( const struct nfs4_session *session, |