On Thu, Jun 02, 2022 at 02:09:00AM -0600, Jens Axboe wrote: > On 6/1/22 3:01 PM, Stefan Roesch wrote: > > This patch series adds support for async buffered writes when using both > > xfs and io-uring. Currently io-uring only supports buffered writes in the > > slow path, by processing them in the io workers. With this patch series it is > > now possible to support buffered writes in the fast path. To be able to use > > the fast path the required pages must be in the page cache, the required locks > > in xfs can be granted immediately and no additional blocks need to be read > > form disk. > > This series looks good to me now, but will need some slight rebasing > since the 5.20 io_uring branch has split up the code a bit. Trivial to > do though, I suspect it'll apply directly if we just change > fs/io_uring.c to io_uring/rw.c instead. > > The bigger question is how to stage this, as it's touching a bit of fs, > mm, and io_uring... What data integrity testing has this had? Has it been run through a few billion fsx operations with w/ io_uring read/write enabled? Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx
