On Tue, Aug 04, 2015 at 03:57:58PM -0400, Matthew Wilcox wrote: > From: Matthew Wilcox <willy@xxxxxxxxxxxxxxx> > > DAX wants different semantics from any currently-existing ext4 > get_block callback. Unlike ext4_get_block_write(), it needs to honour > the 'create' flag, and unlike ext4_get_block(), it needs to be able > to return unwritten extents. So introduce a new ext4_get_block_dax() > which has those semantics. We could also change ext4_get_block_write() > to honour the 'create' flag, but that might have consequences on other > users that I do not currently understand. > > Signed-off-by: Matthew Wilcox <willy@xxxxxxxxxxxxxxx> Doesn't this make the first patch in the series redundant? Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx -- 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>