umount.nfs: move nfs_call_umount to network.c

nfs_call_umount() is shared by nfsmount.c and nfsumount.c, and manages a
network function (building the RPC umount call to the server's MNT daemon).
So move it to network.c with other network-related functions.

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

1 files changed, 33 insertions, 2 deletions

diff --git a/utils/mount/network.c b/utils/mount/network.c
index ab8cfb7..b04491c 100644
--- a/utils/mount/network.c
+++ b/utils/mount/network.c
@@ -245,7 +245,7 @@ out_ok:
 	return 1;
 }
 
-int probe_nfsport(clnt_addr_t *nfs_server)
+static int probe_nfsport(clnt_addr_t *nfs_server)
 {
 	struct pmap *pmap = &nfs_server->pmap;
 
@@ -258,7 +258,7 @@ int probe_nfsport(clnt_addr_t *nfs_server)
 		return probe_port(nfs_server, probe_nfs2_only, probe_udp_only);
 }
 
-int probe_mntport(clnt_addr_t *mnt_server)
+static int probe_mntport(clnt_addr_t *mnt_server)
 {
 	struct pmap *pmap = &mnt_server->pmap;
 
@@ -362,3 +362,34 @@ int start_statd(void)
 
 	return 0;
 }
+
+int nfs_call_umount(clnt_addr_t *mnt_server, dirpath *argp)
+{
+	CLIENT *clnt;
+	enum clnt_stat res = 0;
+	int msock;
+
+	switch (mnt_server->pmap.pm_vers) {
+	case 3:
+	case 2:
+	case 1:
+		if (!probe_mntport(mnt_server))
+			goto out_bad;
+		clnt = mnt_openclnt(mnt_server, &msock);
+		if (!clnt)
+			goto out_bad;
+		res = clnt_call(clnt, MOUNTPROC_UMNT,
+				(xdrproc_t) xdr_dirpath, (caddr_t)argp,
+				(xdrproc_t) xdr_void, NULL,
+				TIMEOUT);
+		mnt_closeclnt(clnt, msock);
+		if (res == RPC_SUCCESS)
+			return 1;
+		break;
+	default:
+		res = 1;
+		break;
+	}
+ out_bad:
+	return res;
+}