On Tue, Jul 21, 2020 at 04:04:32PM +0100, Matthew Wilcox wrote: > On Tue, Jul 21, 2020 at 04:53:13PM +0200, Christoph Hellwig wrote: > > On Mon, Jul 20, 2020 at 04:51:25PM -0500, Goldwyn Rodrigues wrote: > > > Hi Christoph, > > > > > > On 9:46 13/07, Christoph Hellwig wrote: > > > > Hi all, > > > > > > > > this series has two parts: the first one picks up Dave's patch to avoid > > > > invalidation entierly for reads, picked up deep down from the btrfs iomap > > > > thread. The second one falls back to buffered writes if invalidation fails > > > > instead of leaving a stale cache around. Let me know what you think about > > > > this approch. > > > > > > Which kernel version are these changes expected? > > > btrfs dio switch to iomap depends on this. > > > > No idea. Darrick, are you ok with picking this up soon so that > > Goldwyn can pull it in? > > I thought you were going to respin this with EREMCHG changed to ENOTBLK? Oh, true. I'll do that ASAP.
