Commit 2a65ca8b authored by Olga Kornievskaia's avatar Olga Kornievskaia Committed by Trond Myklebust
Browse files

NFSv4.2 add tracepoint to CLONE 



Add a tracepoint to the CLONE operation.

Signed-off-by: default avatarOlga Kornievskaia <kolga@netapp.com>
Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
parent ce7cea1b

fs/nfs/nfs42proc.c

+1 −0
Original line number Diff line number Diff line
@@ -1077,6 +1077,7 @@ static int _nfs42_proc_clone(struct rpc_message *msg, struct file *src_f, 


	status = nfs4_call_sync(server->client, server, msg,

				&args.seq_args, &res.seq_res, 0);

	trace_nfs4_clone(src_inode, dst_inode, &args, status);

	if (status == 0) {

		nfs42_copy_dest_done(dst_inode, dst_offset, count);

		status = nfs_post_op_update_inode(dst_inode, res.dst_fattr);

fs/nfs/nfs4trace.h

+73 −0
Original line number Diff line number Diff line
@@ -2290,6 +2290,79 @@ TRACE_EVENT(nfs4_copy, 
			__entry->res_count

		)

);



TRACE_EVENT(nfs4_clone,

		TP_PROTO(

			const struct inode *src_inode,

			const struct inode *dst_inode,

			const struct nfs42_clone_args *args,

			int error

		),



		TP_ARGS(src_inode, dst_inode, args, error),



		TP_STRUCT__entry(

			__field(unsigned long, error)

			__field(u32, src_fhandle)

			__field(u32, src_fileid)

			__field(u32, dst_fhandle)

			__field(u32, dst_fileid)

			__field(dev_t, src_dev)

			__field(dev_t, dst_dev)

			__field(loff_t, src_offset)

			__field(loff_t, dst_offset)

			__field(int, src_stateid_seq)

			__field(u32, src_stateid_hash)

			__field(int, dst_stateid_seq)

			__field(u32, dst_stateid_hash)

			__field(loff_t, len)

		),



		TP_fast_assign(

			const struct nfs_inode *src_nfsi = NFS_I(src_inode);

			const struct nfs_inode *dst_nfsi = NFS_I(dst_inode);



			__entry->src_fileid = src_nfsi->fileid;

			__entry->src_dev = src_inode->i_sb->s_dev;

			__entry->src_fhandle = nfs_fhandle_hash(args->src_fh);

			__entry->src_offset = args->src_offset;

			__entry->dst_fileid = dst_nfsi->fileid;

			__entry->dst_dev = dst_inode->i_sb->s_dev;

			__entry->dst_fhandle = nfs_fhandle_hash(args->dst_fh);

			__entry->dst_offset = args->dst_offset;

			__entry->len = args->count;

			__entry->error = error < 0 ? -error : 0;

			__entry->src_stateid_seq =

				be32_to_cpu(args->src_stateid.seqid);

			__entry->src_stateid_hash =

				nfs_stateid_hash(&args->src_stateid);

			__entry->dst_stateid_seq =

				be32_to_cpu(args->dst_stateid.seqid);

			__entry->dst_stateid_hash =

				nfs_stateid_hash(&args->dst_stateid);

		),



		TP_printk(

			"error=%ld (%s) src_fileid=%02x:%02x:%llu "

			"src_fhandle=0x%08x dst_fileid=%02x:%02x:%llu "

			"dst_fhandle=0x%08x src_stateid=%d:0x%08x "

			"dst_stateid=%d:0x%08x src_offset=%llu "

			"dst_offset=%llu len=%llu",

			-__entry->error,

			show_nfs4_status(__entry->error),

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

			(unsigned long long)__entry->src_fileid,

			__entry->src_fhandle,

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

			(unsigned long long)__entry->dst_fileid,

			__entry->dst_fhandle,

			__entry->src_stateid_seq, __entry->src_stateid_hash,

			__entry->dst_stateid_seq, __entry->dst_stateid_hash,

			__entry->src_offset,

			__entry->dst_offset,

			__entry->len

		)

);

#endif /* CONFIG_NFS_V4_2 */



#endif /* CONFIG_NFS_V4_1 */