unimore/kernel-hacking-2024-linux-steffo
unimore/kernel-hacking-2024-linux-steffo
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NFSD: Record the callback stateid in copy tracepoints

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Match COPY operations up with CB_OFFLOAD operations.

Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever 2024-08-28 13:40:06 -04:00
parent 11848e985c
commit e1d2697c53
1 changed files with 12 additions and 0 deletions
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12
fs/nfsd/trace.h
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@ -2146,6 +2146,10 @@ DECLARE_EVENT_CLASS(nfsd_copy_class,
__field(u32, dst_cl_id)
__field(u32, dst_so_id)
__field(u32, dst_si_generation)
__field(u32, cb_cl_boot)
__field(u32, cb_cl_id)
__field(u32, cb_so_id)
__field(u32, cb_si_generation)
__field(u64, src_cp_pos)
__field(u64, dst_cp_pos)
__field(u64, cp_count)
@ -2154,6 +2158,7 @@ DECLARE_EVENT_CLASS(nfsd_copy_class,
TP_fast_assign(
const stateid_t *src_stp = &copy->cp_src_stateid;
const stateid_t *dst_stp = &copy->cp_dst_stateid;
const stateid_t *cb_stp = &copy->cp_res.cb_stateid;
__entry->intra = test_bit(NFSD4_COPY_F_INTRA, &copy->cp_flags);
__entry->async = !test_bit(NFSD4_COPY_F_SYNCHRONOUS, &copy->cp_flags);
@ -2165,6 +2170,10 @@ DECLARE_EVENT_CLASS(nfsd_copy_class,
__entry->dst_cl_id = dst_stp->si_opaque.so_clid.cl_id;
__entry->dst_so_id = dst_stp->si_opaque.so_id;
__entry->dst_si_generation = dst_stp->si_generation;
__entry->cb_cl_boot = cb_stp->si_opaque.so_clid.cl_boot;
__entry->cb_cl_id = cb_stp->si_opaque.so_clid.cl_id;
__entry->cb_so_id = cb_stp->si_opaque.so_id;
__entry->cb_si_generation = cb_stp->si_generation;
__entry->src_cp_pos = copy->cp_src_pos;
__entry->dst_cp_pos = copy->cp_dst_pos;
__entry->cp_count = copy->cp_count;
@ -2174,12 +2183,15 @@ DECLARE_EVENT_CLASS(nfsd_copy_class,
TP_printk("client=%pISpc intra=%d async=%d "
"src_client %08x:%08x src_stateid %08x:%08x "
"dst_client %08x:%08x dst_stateid %08x:%08x "
"cb_client %08x:%08x cb_stateid %08x:%08x "
"cp_src_pos=%llu cp_dst_pos=%llu cp_count=%llu",
__get_sockaddr(addr), __entry->intra, __entry->async,
__entry->src_cl_boot, __entry->src_cl_id,
__entry->src_so_id, __entry->src_si_generation,
__entry->dst_cl_boot, __entry->dst_cl_id,
__entry->dst_so_id, __entry->dst_si_generation,
__entry->cb_cl_boot, __entry->cb_cl_id,
__entry->cb_so_id, __entry->cb_si_generation,
__entry->src_cp_pos, __entry->dst_cp_pos, __entry->cp_count
)
);