NFSv4: /proc/mounts displays the wrong server name for referrals

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

diff --git a/fs/nfs/nfs4namespace.c b/fs/nfs/nfs4namespace.c
index 03a9972fa706fa95814a913cd8168291612c3250..dd5fef20c702785859dc514e4bd3bc1e6f067f82 100644 (file)
--- a/fs/nfs/nfs4namespace.c
+++ b/fs/nfs/nfs4namespace.c
@@ -131,7 +131,6 @@ static struct vfsmount *nfs_follow_referral(const struct vfsmount *mnt_parent,
                .authflavor = NFS_SB(mnt_parent->mnt_sb)->client->cl_auth->au_flavor,
        };
        char *page = NULL, *page2 = NULL;
-       char *devname;
        int loc, s, error;
 
        if (locations == NULL || locations->nlocations <= 0)
@@ -155,12 +154,6 @@ static struct vfsmount *nfs_follow_referral(const struct vfsmount *mnt_parent,
                goto out;
        }
 
-       devname = nfs_devname(mnt_parent, dentry, page, PAGE_SIZE);
-       if (IS_ERR(devname)) {
-               mnt = (struct vfsmount *)devname;
-               goto out;
-       }
-
        loc = 0;
        while (loc < locations->nlocations && IS_ERR(mnt)) {
                const struct nfs4_fs_location *location = &locations->locations[loc];
@@ -195,7 +188,11 @@ static struct vfsmount *nfs_follow_referral(const struct vfsmount *mnt_parent,
                        addr.sin_port = htons(NFS_PORT);
                        mountdata.addr = &addr;
 
-                       mnt = vfs_kern_mount(&nfs4_referral_fs_type, 0, devname, &mountdata);
+                       snprintf(page, PAGE_SIZE, "%s:%s",
+                                       mountdata.hostname,
+                                       mountdata.mnt_path);
+
+                       mnt = vfs_kern_mount(&nfs4_referral_fs_type, 0, page, &mountdata);
                        if (!IS_ERR(mnt)) {
                                break;
                        }