Re: [PATCH v1 11/11] fs: aio: add explicit check for large folio in aio_migrate_folio()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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.




[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Bugtraq]     [Linux OMAP]     [Linux MIPS]     [eCos]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux