Re: [PATCH v7 0/3] FDP and per-io hints
Javier Gonzalez <[email protected]>
| Newsgroups | gmane.linux.kernel.aio.general,gmane.linux.file-systems,gmane.linux.kernel.io-uring,gmane.linux.block |
|---|---|
| Message-ID | <[email protected]> |
On 11.10.2024 10:56, Christoph Hellwig wrote: >On Thu, Oct 10, 2024 at 02:22:32PM +0200, Javier Gonzalez wrote: >> Passthru is great for prototyping and getting insights on end-to-end >> applicability. We see though that it is difficult to get a full solution >> based on it, unless people implement a use-space layer tailored to their >> use-case (e.g., a version SPDK's bdev). After the POC phase, most folks >> that can use passthru prefer to move to block - with a validated >> use-case it should be easier to get things upstream. >> >> This is exactly where we are now. > >That's a lot of marketing babble :) What exact thing is missing >from the passthrough interface when using say spdx over io_uring? The block layer provides a lot of functionality that passthru cannot provide. A simple example would be splits. You know this :) I am sure Jens and Keith can give you more specifics on their particular reasons. > >> If you saw the comments from Christian on the inode space, there are a >> few plumbing challenges. Do you have any patches we could look at? > >I'm not sure what you refer to here. This from Christian: https://lore.kernel.org/all/20240903-erfassen-bandmitglieder-32dfaeee66b2@brauner/ -- To unsubscribe, send a message with 'unsubscribe linux-aio' in the body to [email protected]. For more info on Linux AIO, see: http://www.kvack.org/aio/ Don't email: <a href=mailto:"[email protected]">[email protected]</a>