NFSD: Add an nfsd_cb_lm_notify tracepoint

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When the server kicks off a CB_LM_NOTIFY callback, record its
arguments so we can better observe asynchronous locking behavior.
For example:

            nfsd-998   [002]  1471.705873: nfsd_cb_notify_lock:  addr=192.168.2.51:0 client 6092a47c:35a43fc1 fh_hash=0x8950b23a

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Cc: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

...

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Chuck Lever 2021-05-14 15:57:08 -04:00 • committed by J. Bruce Fields

parent 3c92fba557

commit 2cde7f8118

2 changed files with 29 additions and 1 deletions

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4

fs/nfsd/nfs4state.c

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26

fs/nfsd/trace.h

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