CIFS: Make use of common cifs_build_path_to_root for CIFS and SMB2

because the is no difference here. This also adds support of prefixpath
mount option for SMB2.

Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>

1 files changed, 8 insertions, 4 deletions

diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index a48387265cd4..5ce5686353f1 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -3261,8 +3261,10 @@ cifs_cleanup_volume_info(struct smb_vol *volume_info)
 
 
 #ifdef CONFIG_CIFS_DFS_UPCALL
-/* build_path_to_root returns full path to root when
- * we do not have an exiting connection (tcon) */
+/*
+ * cifs_build_path_to_root returns full path to root when we do not have an
+ * exiting connection (tcon)
+ */
 static char *
 build_unc_path_to_root(const struct smb_vol *vol,
                 const struct cifs_sb_info *cifs_sb)
@@ -3518,8 +3520,10 @@ remote_path_check:
                         rc = -ENOSYS;
                         goto mount_fail_check;
                 }
-                /* build_path_to_root works only when we have a valid tcon */
-                full_path = build_path_to_root(volume_info, cifs_sb, tcon);
+                /*
+                 * cifs_build_path_to_root works only when we have a valid tcon
+                 */
+                full_path = cifs_build_path_to_root(volume_info, cifs_sb, tcon);
                 if (full_path == NULL) {
                         rc = -ENOMEM;
                         goto mount_fail_check;