Re: [f2fs-dev] [PATCH] fs: report direct io constraints through file_getattr
Andrey Albershteyn via Linux-f2fs-devel <[email protected]>
| Newsgroups | net.sourceforge.lists.linux-f2fs-devel,org.kernel.vger.linux-block,org.kernel.vger.linux-ext4,org.kernel.vger.linux-fsdevel,org.kernel.vger.linux-xfs |
|---|---|
| Message-ID | <[email protected]> |
On 2026-07-09 09:13:52, Christoph Hellwig wrote: > On Tue, Jul 07, 2026 at 06:18:43PM -0700, Keith Busch wrote: > > From: Keith Busch <[email protected]> > > > > Memory alignment constraints for direct io can vary depending on the > > backing storage hardware. Provide support through file_getattr to report > > the attributes necessary for applications to know how to construct valid > > read and write requests. > > This probably wants to be split in one patch for the new UAPI, > one for the helper and one for each user. > > And especially the UAPI one needs a much more detailed commit log > explaining it, including why this duplicates some of the informastion > already in statx and documenting the semantics for all the fields. > > Andrey, is there a man page or other official documentation for > file_setattr/file_getattr? No, I had a draft in cover letter but haven't got to sending it to man-pages. I will prepare a man page. -- - Andrey _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel