udf: convert novrs to an option flag

There's no reason to treat novers specially, convert it
to a flag in uopt->flags like other flag options.

Signed-off-by: Eric Sandeen <[e-mail]>
Signed-off-by: Jan Kara <[e-mail]>
Message-Id: <[e-mail]>

fs/udf/super.c

···
 };
 
 struct udf_options {
-	unsigned char novrs;
 	unsigned int blocksize;
 	unsigned int session;
 	unsigned int lastblock;
···
 	int option;
 	unsigned int uv;
 
-	uopt->novrs = 0;
 	uopt->session = 0xFFFFFFFF;
 	uopt->lastblock = 0;
 	uopt->anchor = 0;
···
 		token = match_token(p, tokens, args);
 		switch (token) {
 		case Opt_novrs:
-			uopt->novrs = 1;
+			uopt->flags |= (1 << UDF_FLAG_NOVRS);
 			break;
 		case Opt_bs:
 			if (match_int(&args[0], &option))
···
 		return -EINVAL;
 	}
 	sbi->s_last_block = uopt->lastblock;
-	if (!uopt->novrs) {
+	if (!UDF_QUERY_FLAG(sb, UDF_FLAG_NOVRS)) {
 		/* Check that it is NSR02 compliant */
 		nsr = udf_check_vsd(sb);
 		if (!nsr) {

fs/udf/udf_sb.h

···
 #define UDF_FLAG_STRICT			5
 #define UDF_FLAG_UNDELETE		6
 #define UDF_FLAG_UNHIDE			7
+#define UDF_FLAG_NOVRS			8
 #define UDF_FLAG_UID_FORGET     11    /* save -1 for uid to disk */
 #define UDF_FLAG_GID_FORGET     12
 #define UDF_FLAG_UID_SET	13