Commit 8db744ce authored by Olga Kornievskaia's avatar Olga Kornievskaia Committed by Trond Myklebust
Browse files

NFSv4.2 add tracepoint to CB_OFFLOAD 



Add a tracepoint to the CB_OFFLOAD operation.

Signed-off-by: default avatarOlga Kornievskaia <kolga@netapp.com>
Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
parent 2a65ca8b

fs/nfs/callback_proc.c

+3 −0
Original line number Diff line number Diff line
@@ -739,6 +739,9 @@ __be32 nfs4_callback_offload(void *data, void *dummy, 
		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 */

fs/nfs/nfs4trace.h

+44 −0
Original line number Diff line number Diff line
@@ -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,