ext4: change token2str() to use ext4_param_specs

Change token2str() to use ext4_param_specs instead of tokens so that we
can get rid of tokens entirely.

Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
Link: https://lore.kernel.org/r/20211027141857.33657-12-lczerner@redhat.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index ebde5fb..285f18f 100644 (file)
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3046,12 +3046,12 @@ static inline void ext4_show_quota_options(struct seq_file *seq,
 
 static const char *token2str(int token)
 {
-       const struct match_token *t;
+       const struct fs_parameter_spec *spec;
 
-       for (t = tokens; t->token != Opt_err; t++)
-               if (t->token == token && !strchr(t->pattern, '='))
+       for (spec = ext4_param_specs; spec->name != NULL; spec++)
+               if (spec->opt == token && !spec->type)
                        break;
-       return t->pattern;
+       return spec->name;
 }
 
 /*