On Wed, Feb 18, 2015 at 05:49:28PM +0100, Lukas Czerner wrote: > Currently there is a bug in zero range code which causes zero range > calls to only allocate block aligned portion of the range, while > ignoring the rest in some cases. > > In some cases, namely if the end of the range is past isize, we do > attempt to preallocate the last nonaligned block. However this might > cause kernel to BUG() in some carefully designed zero range requests on > setups where page size > block size. Is there a regression test you could write to exercise these casesi in future? Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html