Re: [PATCH RFC 02/29] iomap: introduce iomap_read/write_region interface

Christoph Hellwig
2025-09-12T07:19:09Z

On Tue, Sep 09, 2025 at 02:30:14PM +0200, Andrey Albershteyn wrote:
> > Same thoughts here. It seems like we should just have a beyond-EOF or
> > fsverity flag for ->read_iter / ->write_iter and consolidate all this
> > code. That'll also go along nicely with the flag in the writepage_ctx
> > suggested by Joanne.
> >
>
> In addition to being bound by the isize the fiemap_read() copies
> data to the iov_iter, which is not really needed for fsverity.

Aka, you want an O_DIRECT read into a ITER_BVEC buffer for the data?