linux-kernel - Re: [PATCH v27 02/10] fs/ntfs3: Add initialization of super block

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Date:   Tue, 10 Aug 2021 11:02:34 +0200
From:   Christoph Hellwig <hch@....de>
To:     Konstantin Komarov <almaz.alexandrovich@...agon-software.com>
Cc:     linux-fsdevel@...r.kernel.org, viro@...iv.linux.org.uk,
        linux-kernel@...r.kernel.org, pali@...nel.org, dsterba@...e.cz,
        aaptel@...e.com, willy@...radead.org, rdunlap@...radead.org,
        joe@...ches.com, mark@...mstone.com, nborisov@...e.com,
        linux-ntfs-dev@...ts.sourceforge.net, anton@...era.com,
        dan.carpenter@...cle.com, hch@....de, ebiggers@...nel.org,
        andy.lavr@...il.com, kari.argillander@...il.com,
        oleksandr@...alenko.name
Subject: Re: [PATCH v27 02/10] fs/ntfs3: Add initialization of super block

> +static struct dentry *ntfs_mount(struct file_system_type *fs_type, int flags,
> +				 const char *dev_name, void *data)
> +{
> +	return mount_bdev(fs_type, flags, dev_name, data, ntfs_fill_super);
> +}
> +
> +static struct file_system_type ntfs_fs_type = {
> +	.owner = THIS_MODULE,
> +	.name = "ntfs3",
> +	.mount = ntfs_mount,
> +	.kill_sb = kill_block_super,
> +	.fs_flags = FS_REQUIRES_DEV,
> +};

You can't add new callers of mount_bdev or users of the old mount
support.  Please switch to the file system context based API before
resending.  Take a look at e.g. XFS for how to implement it.