Re: [PATCH v1 11/11] fs: aio: add explicit check for large folio in aio_migrate_folio()
Matthew Wilcox <[email protected]>
| Newsgroups | gmane.linux.kernel.aio.general,gmane.linux.kernel.mm,gmane.linux.file-systems |
|---|---|
| Message-ID | <[email protected]> |
On Thu, Mar 21, 2024 at 11:27:47AM +0800, Kefeng Wang wrote: > Since large folio copy could spend lots of time and it is involved with > a cond_resched(), the aio couldn't support migrate large folio as it takes > a spin lock when folio copy, add explicit check for large folio and return > err directly. This is unnecessary. aio only allocates order-0 folios (it uses find_or_create_page() to do it). If you want to take on converting aio to use folios instead of pages, that'd be a worthwhile project. -- 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>