Re: [PATCH v6 01/34] vfs: Unconditionally set IOCB_WRITE in call_write_iter()

From: Al Viro
Date: Wed Jan 18 2023 - 17:11:57 EST


On Mon, Jan 16, 2023 at 11:52:43PM -0800, Christoph Hellwig wrote:

> This doesn't remove the existing setting of IOCB_WRITE, and also
> feelds like the wrong place.
>
> I suspect the best is to:
>
> - rename init_sync_kiocb to init_kiocb
> - pass a new argument for the destination to it. I'm not entirely
> sure if flags is a good thing, or an explicit READ/WRITE might be
> better because it's harder to get wrong, even if a the compiler
> might generate worth code for it.
> - also use it in the async callers (io_uring, aio, overlayfs, loop,
> nvmet, target, cachefs, file backed swap)

Do you want it to mess with get_current_ioprio() for those? Looks
wrong...