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NFSv4.1: add tracepoint to trunked nfs4_exchange_id calls

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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>
This commit is contained in:
Olga Kornievskaia
2024-02-02 15:21:13 -05:00
committed by Trond Myklebust
parent fd5860ab63
commit 7e5ae43b2d
3 changed files with 35 additions and 2 deletions
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1
include/trace/misc/nfs.h
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@@ -239,6 +239,7 @@ TRACE_DEFINE_ENUM(NFS4ERR_RESET_TO_PNFS);
{ EHOSTDOWN, "EHOSTDOWN" }, \
{ EPIPE, "EPIPE" }, \
{ EPFNOSUPPORT, "EPFNOSUPPORT" }, \
{ EINVAL, "EINVAL" }, \
{ EPROTONOSUPPORT, "EPROTONOSUPPORT" }, \
{ NFS4ERR_ACCESS, "ACCESS" }, \
{ NFS4ERR_ATTRNOTSUPP, "ATTRNOTSUPP" }, \