From f0c4a81711cb773b60cb8f90173e6491e67bf74f Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Thu, 22 Feb 2018 14:33:04 +0100
Subject: [PATCH] udf: Remove never implemented mount options

Signed-off-by: Jan Kara <jack@suse.cz>
---
 Documentation/filesystems/udf.txt |  8 --------
 fs/udf/super.c                    | 28 +---------------------------
 2 files changed, 1 insertion(+), 35 deletions(-)

diff --git a/Documentation/filesystems/udf.txt b/Documentation/filesystems/udf.txt
index cf30bdcdcc4f..e2f2faf32f18 100644
--- a/Documentation/filesystems/udf.txt
+++ b/Documentation/filesystems/udf.txt
@@ -53,16 +53,8 @@ The following expect a offset from 0.
 
 	session=	Set the CDROM session (default= last session)
 	anchor=		Override standard anchor location. (default= 256)
-	volume=		Override the VolumeDesc location. (unused)
-	partition=	Override the PartitionDesc location. (unused)
 	lastblock=	Set the last block of the filesystem/
 
-The following expect a offset from the partition root.
-
-	fileset=	Override the fileset block location. (unused)
-	rootdir=	Override the root directory location. (unused)
-			WARNING: overriding the rootdir to a non-directory may
-				yield highly unpredictable results.
 -------------------------------------------------------------------------------
 
 
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 31d8ce13fa18..2d4929fa884d 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -222,10 +222,6 @@ struct udf_options {
 	unsigned int session;
 	unsigned int lastblock;
 	unsigned int anchor;
-	unsigned int volume;
-	unsigned short partition;
-	unsigned int fileset;
-	unsigned int rootdir;
 	unsigned int flags;
 	umode_t umask;
 	kgid_t gid;
@@ -366,10 +362,6 @@ static int udf_show_options(struct seq_file *seq, struct dentry *root)
 		seq_printf(seq, ",lastblock=%u", sbi->s_last_block);
 	if (sbi->s_anchor != 0)
 		seq_printf(seq, ",anchor=%u", sbi->s_anchor);
-	/*
-	 * volume, partition, fileset and rootdir seem to be ignored
-	 * currently
-	 */
 	if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8))
 		seq_puts(seq, ",utf8");
 	if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP) && sbi->s_nls_map)
@@ -482,13 +474,9 @@ static int udf_parse_options(char *options, struct udf_options *uopt,
 	int option;
 
 	uopt->novrs = 0;
-	uopt->partition = 0xFFFF;
 	uopt->session = 0xFFFFFFFF;
 	uopt->lastblock = 0;
 	uopt->anchor = 0;
-	uopt->volume = 0xFFFFFFFF;
-	uopt->rootdir = 0xFFFFFFFF;
-	uopt->fileset = 0xFFFFFFFF;
 	uopt->nls_map = NULL;
 
 	if (!options)
@@ -577,24 +565,10 @@ static int udf_parse_options(char *options, struct udf_options *uopt,
 			uopt->anchor = option;
 			break;
 		case Opt_volume:
-			if (match_int(args, &option))
-				return 0;
-			uopt->volume = option;
-			break;
 		case Opt_partition:
-			if (match_int(args, &option))
-				return 0;
-			uopt->partition = option;
-			break;
 		case Opt_fileset:
-			if (match_int(args, &option))
-				return 0;
-			uopt->fileset = option;
-			break;
 		case Opt_rootdir:
-			if (match_int(args, &option))
-				return 0;
-			uopt->rootdir = option;
+			/* Ignored (never implemented properly) */
 			break;
 		case Opt_utf8:
 			uopt->flags |= (1 << UDF_FLAG_UTF8);