Re: [RFC PATCH] f2fs: preserve direct write semantics when buffering is forced

[Christoph Hellwig]

On Mon, Feb 20, 2023 at 01:20:04PM +0100, Hans Holmberg wrote:
> A) Supporting proper direct writes for zoned block devices would
> be the best, but it is currently not supported (probably for
> a good but non-obvious reason). Would it be feasible to
> implement proper direct IO?

I don't think why not.  In many ways direct writes to zoned devices
should be easier than non-direct writes.

Any comments from the maintainers why the direct I/O writes to zoned
devices are disabled?  I could not find anything helpful in the comments
or commit logs.