locks: add some tracepoints in the lease handling code
v2: add a __break_lease tracepoint for non-blocking case
Recently, I needed these to help track down a softlockup when recalling a
delegation, but they might be helpful in other situations as well.
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Signed-off-by:
Jeff Layton <jlayton@poochiereds.net>
parent
5315c26a
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