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Date:   Mon, 7 Dec 2020 18:10:21 +0100
From:   Christoph Hellwig <hch@lst.de>
To:     Christian Brauner <christian.brauner@ubuntu.com>
Cc:     Alexander Viro <viro@zeniv.linux.org.uk>,
        Christoph Hellwig <hch@infradead.org>,
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Subject: Re: [PATCH v4 05/40] fs: add attr_flags_to_mnt_flags helper
Message-ID: <20201207171021.GB13614@lst.de>
References: <20201203235736.3528991-1-christian.brauner@ubuntu.com> <20201203235736.3528991-6-christian.brauner@ubuntu.com>
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> @@ -3450,6 +3450,28 @@ SYSCALL_DEFINE5(mount, char __user *, dev_name, char __user *, dir_name,
>  	return ret;
>  }
>  
> +#define FSMOUNT_VALID_FLAGS                                                    \
> +	(MOUNT_ATTR_RDONLY | MOUNT_ATTR_NOSUID | MOUNT_ATTR_NODEV |            \
> +	 MOUNT_ATTR_NOEXEC | MOUNT_ATTR__ATIME | MOUNT_ATTR_NODIRATIME)

Any good reason for aligning the \ using spaces all the way out?

Otherwise looks good:

Reviewed-by: Christoph Hellwig <hch@lst.de>