1 files changed, 13 insertions, 4 deletions

diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 7aaa21cf019a..0da04e6d1e34 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -797,8 +797,10 @@ static int fat_show_options(struct seq_file *m, struct vfsmount *mnt)
                         seq_puts(m, ",uni_xlate");
                 if (!opts->numtail)
                         seq_puts(m, ",nonumtail");
+                if (opts->rodir)
+                        seq_puts(m, ",rodir");
         }
-        if (sbi->options.flush)
+        if (opts->flush)
                 seq_puts(m, ",flush");
         if (opts->tz_utc)
                 seq_puts(m, ",tz=UTC");
@@ -814,7 +816,7 @@ enum {
         Opt_charset, Opt_shortname_lower, Opt_shortname_win95,
         Opt_shortname_winnt, Opt_shortname_mixed, Opt_utf8_no, Opt_utf8_yes,
         Opt_uni_xl_no, Opt_uni_xl_yes, Opt_nonumtail_no, Opt_nonumtail_yes,
-        Opt_obsolate, Opt_flush, Opt_tz_utc, Opt_err,
+        Opt_obsolate, Opt_flush, Opt_tz_utc, Opt_rodir, Opt_err,
 };
 
 static const match_table_t fat_tokens = {
@@ -886,6 +888,7 @@ static const match_table_t vfat_tokens = {
         {Opt_nonumtail_yes, "nonumtail=yes"},
         {Opt_nonumtail_yes, "nonumtail=true"},
         {Opt_nonumtail_yes, "nonumtail"},
+        {Opt_rodir, "rodir"},
         {Opt_err, NULL}
 };
 
@@ -905,10 +908,13 @@ static int parse_options(char *options, int is_vfat, int silent, int *debug,
         opts->allow_utime = -1;
         opts->codepage = fat_default_codepage;
         opts->iocharset = fat_default_iocharset;
-        if (is_vfat)
+        if (is_vfat) {
                 opts->shortname = VFAT_SFN_DISPLAY_LOWER|VFAT_SFN_CREATE_WIN95;
-        else
+                opts->rodir = 0;
+        } else {
                 opts->shortname = 0;
+                opts->rodir = 1;
+        }
         opts->name_check = 'n';
         opts->quiet = opts->showexec = opts->sys_immutable = opts->dotsOK =  0;
         opts->utf8 = opts->unicode_xlate = 0;
@@ -1059,6 +1065,9 @@ static int parse_options(char *options, int is_vfat, int silent, int *debug,
                 case Opt_nonumtail_yes:         /* empty or 1 or yes or true */
                         opts->numtail = 0;      /* negated option */
                         break;
+                case Opt_rodir:
+                        opts->rodir = 1;
+                        break;
 
                 /* obsolete mount options */
                 case Opt_obsolate: