Re: [PATCH 2/2] fs: build the legacy direct I/O code conditionally

From: Christoph Hellwig
Date: Fri Jan 27 2023 - 01:30:50 EST


On Thu, Jan 26, 2023 at 09:20:20PM +0000, Al Viro wrote:
> On Wed, Jan 25, 2023 at 07:58:39AM +0100, Christoph Hellwig wrote:
> > Add a new LEGACY_DIRECT_IO config symbol that is only selected by the
> > file systems that still use the legacy blockdev_direct_IO code, so that
> > kernels without support for those file systems don't need to build the
> > code.
>
> Looks sane... FWIW, I've got this in the misc pile; doesn't seem to
> conflict anything in your series, thankfully...

Yes, this looks good:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

If someone had time to convert ocfs2 to iomap we could also kill
the entire __blockdev_direct_IO variant.