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authorMiklos Szeredi <mszeredi@redhat.com>2020-05-14 17:44:25 +0300
committerMiklos Szeredi <mszeredi@redhat.com>2020-05-14 17:44:25 +0300
commit9193ae87a8af031ce2fb4116d417fff55c8a0bcc (patch)
tree3a083399f4a3fd4fb3d582feae33e7d30b2d2806 /fs/fs_context.c
parent80340fe3605c0e78cfe496c3b3878be828cfdbfe (diff)
downloadlinux-9193ae87a8af031ce2fb4116d417fff55c8a0bcc.tar.xz
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>
Diffstat (limited to 'fs/fs_context.c')
-rw-r--r--fs/fs_context.c28
1 files changed, 0 insertions, 28 deletions
diff --git a/fs/fs_context.c b/fs/fs_context.c
index fc9f6ef93b55..07e09bcf256c 100644
--- 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) {