On Mon, Aug 29, 2016 at 12:41:16AM -0700, Christoph Hellwig wrote: > > We're going to move forward killing buffer_heads in XFS. I think ext4 > would dramatically benefit from this a well, as would ext2 (although I > think all that DAX work in ext2 is a horrible idea to start with). It's been on my todo list. The only reason why I haven't done it yet is because I knew you were working on a solution, and I didn't want to do things one way for buffered I/O, and a different way for Direct I/O, and disentangling the DIO code and the different assumptions of how different file systems interact with the DIO code is a *mess*. It may have gotten better more recently, but a few years ago I took a look at it and backed slowly away..... - Ted -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>