On Mon, Jul 13, 2020 at 07:20:50AM -0500, Goldwyn Rodrigues wrote: > On 9:46 13/07, Christoph Hellwig wrote: > > Failing to invalid the page cache means data in incoherent, which is > > a very bad state for the system. Always fall back to buffered I/O > > through the page cache if we can't invalidate mappings. > > > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> > > Thanks. This will help btrfs. The current next tree contains the iomap > changes I recomended and would need to be reverted in order to > incorporate this. Once this is in the next tree I will (re)format the > btrfs iomap dio patches. Patches in next don't need to be reverted, if you put together a branch with any iomap or other prep patches + btrfs iomap-dio I'll replace it in the for-next snapshot I push.