CIFS: Add SMB2 support for rename operation

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / fs / cifs / smb2inode.c

diff --git a/fs/cifs/smb2inode.c b/fs/cifs/smb2inode.c
index ee3a1ef686ddb1755773fda2c977f52ffc7fe5bb..a6952bafe331f946873636338f83681d162fd183 100644 (file)
--- a/fs/cifs/smb2inode.c
+++ b/fs/cifs/smb2inode.c
@@ -74,6 +74,10 @@ smb2_open_op_close(const unsigned int xid, struct cifs_tcon *tcon,
                 * SMB2_open() call.
                 */
                break;
+       case SMB2_OP_RENAME:
+               tmprc = SMB2_rename(xid, tcon, persistent_fid, volatile_fid,
+                                   (__le16 *)data);
+               break;
        default:
                cERROR(1, "Invalid command");
                break;
@@ -170,3 +174,24 @@ smb2_unlink(const unsigned int xid, struct cifs_tcon *tcon, const char *name,
                                  0, CREATE_DELETE_ON_CLOSE, NULL,
                                  SMB2_OP_DELETE);
 }
+
+int
+smb2_rename_path(const unsigned int xid, struct cifs_tcon *tcon,
+                const char *from_name, const char *to_name,
+                struct cifs_sb_info *cifs_sb)
+{
+       __le16 *smb2_to_name = NULL;
+       int rc;
+
+       smb2_to_name = cifs_convert_path_to_utf16(to_name, cifs_sb);
+       if (smb2_to_name == NULL) {
+               rc = -ENOMEM;
+               goto smb2_rename_path;
+       }
+
+       rc = smb2_open_op_close(xid, tcon, cifs_sb, from_name, DELETE,
+                               FILE_OPEN, 0, 0, smb2_to_name, SMB2_OP_RENAME);
+smb2_rename_path:
+       kfree(smb2_to_name);
+       return rc;
+}