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NFSv4.2 add tracepoint to CB_OFFLOAD

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Add a tracepoint to the CB_OFFLOAD operation.

Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Olga Kornievskaia 2021-11-04 10:57:12 -04:00 committed by Trond Myklebust
parent 2a65ca8b58
commit 8db744ce45
2 changed files with 47 additions and 0 deletions
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3
fs/nfs/callback_proc.c
View File

@ -739,6 +739,9 @@ out:
kfree(copy);
spin_unlock(&cps->clp->cl_lock);
trace_nfs4_cb_offload(&args->coa_fh, &args->coa_stateid,
args->wr_count, args->error,
args->wr_writeverf.committed);
return 0;
}
#endif /* CONFIG_NFS_V4_2 */

44
fs/nfs/nfs4trace.h
View File

@ -200,6 +200,50 @@ TRACE_EVENT(nfs4_cb_seqid_err,
)
);
TRACE_EVENT(nfs4_cb_offload,
TP_PROTO(
const struct nfs_fh *cb_fh,
const nfs4_stateid *cb_stateid,
uint64_t cb_count,
int cb_error,
int cb_how_stable
),
TP_ARGS(cb_fh, cb_stateid, cb_count, cb_error,
cb_how_stable),
TP_STRUCT__entry(
__field(unsigned long, error)
__field(u32, fhandle)
__field(loff_t, cb_count)
__field(int, cb_how)
__field(int, cb_stateid_seq)
__field(u32, cb_stateid_hash)
),
TP_fast_assign(
__entry->error = cb_error < 0 ? -cb_error : 0;
__entry->fhandle = nfs_fhandle_hash(cb_fh);
__entry->cb_stateid_seq =
be32_to_cpu(cb_stateid->seqid);
__entry->cb_stateid_hash =
nfs_stateid_hash(cb_stateid);
__entry->cb_count = cb_count;
__entry->cb_how = cb_how_stable;
),
TP_printk(
"error=%ld (%s) fhandle=0x%08x cb_stateid=%d:0x%08x "
"cb_count=%llu cb_how=%s",
-__entry->error,
show_nfs4_status(__entry->error),
__entry->fhandle,
__entry->cb_stateid_seq, __entry->cb_stateid_hash,
__entry->cb_count,
show_nfs_stable_how(__entry->cb_how)
)
);
#endif /* CONFIG_NFS_V4_1 */
TRACE_EVENT(nfs4_setup_sequence,