On Thu, Dec 21, 2017 at 05:30:54PM +0100, Jan Kara wrote: > Ext4 needs to pass through error from its iomap handler to the page > fault handler so that it can properly detect ENOSPC and force > transaction commit and retry the fault (and block allocation). Add > argument to dax_iomap_fault() for passing such error. > > Signed-off-by: Jan Kara <jack@xxxxxxx> I like how much simpler this version is. Looks good. Reviewed-by: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>