libnfs.a: move more mount-only functions out of libnfs.a

Continue clean-up with nfsvers_to_mnt() and mntvers_to_nfs().

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Neil Brown <neilb@suse.de>

2 files changed, 36 insertions, 0 deletions

diff --git a/utils/mount/network.c b/utils/mount/network.c
index 08b1f99..c092571 100644
--- a/utils/mount/network.c
+++ b/utils/mount/network.c
@@ -57,6 +57,40 @@ extern int nfs_mount_data_version;
 extern char *progname;
 extern int verbose;
 
+static const unsigned long nfs_to_mnt[] = {
+	0,
+	0,
+	1,
+	3,
+};
+
+static const unsigned long mnt_to_nfs[] = {
+	0,
+	2,
+	2,
+	3,
+};
+
+/*
+ * Map an NFS version into the corresponding Mountd version
+ */
+unsigned long nfsvers_to_mnt(const unsigned long vers)
+{
+	if (vers <= 3)
+		return nfs_to_mnt[vers];
+	return 0;
+}
+
+/*
+ * Map a Mountd version into the corresponding NFS version
+ */
+static unsigned long mntvers_to_nfs(const unsigned long vers)
+{
+	if (vers <= 3)
+		return mnt_to_nfs[vers];
+	return 0;
+}
+
 static const unsigned int probe_udp_only[] = {
 	IPPROTO_UDP,
 	0,
diff --git a/utils/mount/network.h b/utils/mount/network.h
index 81a59da..b3a5525 100644
--- a/utils/mount/network.h
+++ b/utils/mount/network.h
@@ -33,5 +33,7 @@ int nfs_call_umount(clnt_addr_t *, dirpath *);
 
 int start_statd(void);
 
+unsigned long nfsvers_to_mnt(const unsigned long);
+
 CLIENT *mnt_openclnt(clnt_addr_t *, int *);
 void mnt_closeclnt(CLIENT *, int);