Commit a4452e66 authored by Chuck Lever's avatar Chuck Lever
Browse files

NFSD: Add a tracepoint to record canceled async COPY operations 



Reviewed-by: default avatarJeff Layton <jlayton@kernel.org>
Signed-off-by: default avatarChuck Lever <chuck.lever@oracle.com>
parent 10c93b51

fs/nfsd/nfs4proc.c

+1 −0
Original line number Diff line number Diff line
@@ -1287,6 +1287,7 @@ static void nfs4_put_copy(struct nfsd4_copy *copy) 


static void nfsd4_stop_copy(struct nfsd4_copy *copy)

{

	trace_nfsd_copy_async_cancel(copy);

	if (!test_and_set_bit(NFSD4_COPY_F_STOPPED, &copy->cp_flags))

		kthread_stop(copy->copy_task);

	nfs4_put_copy(copy);

fs/nfsd/trace.h

+10 −1
Original line number Diff line number Diff line
@@ -2244,7 +2244,7 @@ TRACE_EVENT(nfsd_copy_done, 
	)

);



TRACE_EVENT(nfsd_copy_async_done,

DECLARE_EVENT_CLASS(nfsd_copy_async_done_class,

	TP_PROTO(

		const struct nfsd4_copy *copy

	),
@@ -2313,6 +2313,15 @@ TRACE_EVENT(nfsd_copy_async_done, 
	)

);



#define DEFINE_COPY_ASYNC_DONE_EVENT(name)		\

DEFINE_EVENT(nfsd_copy_async_done_class,		\

	nfsd_copy_async_##name,				\

	TP_PROTO(const struct nfsd4_copy *copy),	\

	TP_ARGS(copy))



DEFINE_COPY_ASYNC_DONE_EVENT(done);

DEFINE_COPY_ASYNC_DONE_EVENT(cancel);



#endif /* _NFSD_TRACE_H */



#undef TRACE_INCLUDE_PATH