vfs: don't parse forbidden flags

Makes little sense to keep this blacklist synced with what mount(8) parses
and what it doesn't.  E.g. it has various forms of "*atime" options, but
not "atime"...

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>

diff --git a/fs/fs_context.c b/fs/fs_context.c
index fc9f6ef93b55d155017a203c7d8a93dfed952155..07e09bcf256c7a59e48f21a1f5c28e47db180417 100644 (file)
--- a/fs/fs_context.c
+++ b/fs/fs_context.c
@@ -57,40 +57,12 @@ static const struct constant_table common_clear_sb_flag[] = {
        { },
 };
 
-static const char *const forbidden_sb_flag[] = {
-       "bind",
-       "dev",
-       "exec",
-       "move",
-       "noatime",
-       "nodev",
-       "nodiratime",
-       "noexec",
-       "norelatime",
-       "nostrictatime",
-       "nosuid",
-       "private",
-       "rec",
-       "relatime",
-       "remount",
-       "shared",
-       "slave",
-       "strictatime",
-       "suid",
-       "unbindable",
-};
-
 /*
  * Check for a common mount option that manipulates s_flags.
  */
 static int vfs_parse_sb_flag(struct fs_context *fc, const char *key)
 {
        unsigned int token;
-       unsigned int i;
-
-       for (i = 0; i < ARRAY_SIZE(forbidden_sb_flag); i++)
-               if (strcmp(key, forbidden_sb_flag[i]) == 0)
-                       return -EINVAL;
 
        token = lookup_constant(common_set_sb_flag, key, 0);
        if (token) {