Commit 488b170c authored by Olga Kornievskaia's avatar Olga Kornievskaia Committed by Trond Myklebust
Browse files

NFSv4.2 add tracepoint to COPY_NOTIFY 



Add a tracepoint to COPY_NOTIFY operation.

Signed-off-by: default avatarOlga Kornievskaia <kolga@netapp.com>
Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
parent 8db744ce

fs/nfs/nfs42proc.c

+1 −0
Original line number Diff line number Diff line
@@ -603,6 +603,7 @@ static int _nfs42_proc_copy_notify(struct file *src, struct file *dst, 


	status = nfs4_call_sync(src_server->client, src_server, &msg,

				&args->cna_seq_args, &res->cnr_seq_res, 0);

	trace_nfs4_copy_notify(file_inode(src), args, res, status);

	if (status == -ENOTSUPP)

		src_server->caps &= ~NFS_CAP_COPY_NOTIFY;

fs/nfs/nfs4trace.h

+57 −1
Original line number Diff line number Diff line
@@ -243,7 +243,6 @@ TRACE_EVENT(nfs4_cb_offload, 
			show_nfs_stable_how(__entry->cb_how)

		)

);



#endif /* CONFIG_NFS_V4_1 */



TRACE_EVENT(nfs4_setup_sequence,
@@ -2407,6 +2406,63 @@ TRACE_EVENT(nfs4_clone, 
			__entry->len

		)

);



TRACE_EVENT(nfs4_copy_notify,

		TP_PROTO(

			const struct inode *inode,

			const struct nfs42_copy_notify_args *args,

			const struct nfs42_copy_notify_res *res,

			int error

		),



		TP_ARGS(inode, args, res, error),



		TP_STRUCT__entry(

			__field(unsigned long, error)

			__field(u32, fhandle)

			__field(u32, fileid)

			__field(dev_t, dev)

			__field(int, stateid_seq)

			__field(u32, stateid_hash)

			__field(int, res_stateid_seq)

			__field(u32, res_stateid_hash)

		),



		TP_fast_assign(

			const struct nfs_inode *nfsi = NFS_I(inode);



			__entry->fileid = nfsi->fileid;

			__entry->dev = inode->i_sb->s_dev;

			__entry->fhandle = nfs_fhandle_hash(args->cna_src_fh);

			__entry->stateid_seq =

				be32_to_cpu(args->cna_src_stateid.seqid);

			__entry->stateid_hash =

				nfs_stateid_hash(&args->cna_src_stateid);

			if (error) {

				__entry->error = -error;

				__entry->res_stateid_seq = 0;

				__entry->res_stateid_hash = 0;

			} else {

				__entry->error = 0;

				__entry->res_stateid_seq =

					be32_to_cpu(res->cnr_stateid.seqid);

				__entry->res_stateid_hash =

					nfs_stateid_hash(&res->cnr_stateid);

			}

		),



		TP_printk(

			"error=%ld (%s) fileid=%02x:%02x:%llu fhandle=0x%08x "

			"stateid=%d:0x%08x res_stateid=%d:0x%08x",

			-__entry->error,

			show_nfs4_status(__entry->error),

			MAJOR(__entry->dev), MINOR(__entry->dev),

			(unsigned long long)__entry->fileid,

			__entry->fhandle,

			__entry->stateid_seq, __entry->stateid_hash,

			__entry->res_stateid_seq, __entry->res_stateid_hash

		)

);

#endif /* CONFIG_NFS_V4_2 */



#endif /* CONFIG_NFS_V4_1 */