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NFSD: Add a tracepoint to record canceled async COPY operations

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Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever 2024-10-31 09:40:02 -04:00
parent 10c93b5101
commit a4452e661b
2 changed files with 11 additions and 1 deletions
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1
fs/nfsd/nfs4proc.c
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@ -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);

11
fs/nfsd/trace.h
View File

@ -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