Re: [PATCH] fs: use helpers for opening kernel internal files

[Christoph Hellwig <hch@lst.de>]

On Wed, Jun 14, 2023 at 03:09:17PM +0300, Amir Goldstein wrote:
> Overlayfs and cachefiles use vfs_open_tmpfile() to open a tmpfile
> without accounting for nr_files.
> 
> Rename this helper to kernel_tmpfile_open() to better reflect this
> helper is used for kernel internal users.
> 
> cachefiles uses open_with_fake_path() without the need for a fake path
> only to use the noaccount feature of open_with_fake_path().
> 
> Fork open_with_fake_path() to kernel_file_open() which only does the
> noaccount feature and use it in cachefiles.

Please split this into two patches, one for the
vfs_tmpfile_open rename, and one for the kernel_file_open helper.

> +EXPORT_SYMBOL(kernel_file_open);

EXPORT_SYMBOL_GPL, please.