fscrypt: remove unneeded empty fscrypt_operations structs

In the case where a filesystem has been configured without encryption
support, there is no longer any need to initialize ->s_cop at all, since
none of the methods are ever called.

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Acked-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 07a5628..187cead 100644 (file)
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1745,9 +1745,6 @@ static const struct fscrypt_operations f2fs_cryptops = {
        .empty_dir      = f2fs_empty_dir,
        .max_namelen    = f2fs_max_namelen,
 };
-#else
-static const struct fscrypt_operations f2fs_cryptops = {
-};
 #endif
 
 static struct inode *f2fs_nfs_get_inode(struct super_block *sb,
@@ -2476,7 +2473,9 @@ try_onemore:
 #endif
 
        sb->s_op = &f2fs_sops;
+#ifdef CONFIG_F2FS_FS_ENCRYPTION
        sb->s_cop = &f2fs_cryptops;
+#endif
        sb->s_xattr = f2fs_xattr_handlers;
        sb->s_export_op = &f2fs_export_ops;
        sb->s_magic = F2FS_SUPER_MAGIC;