Christoph Hellwig <hch@xxxxxxxxxxxxx> writes: > On Mon, Apr 17, 2017 at 03:14:13PM +0800, Xiong Zhou wrote: >> Mount TEST_DEV as non-DAX, SCRATCH_DEV as DAX, then >> do mmap DIO from DAX to non-DAX. >> >> This test is split from generic/413. Since DIO from DAX >> to non-DAX is only supported/doable when device underneath >> has memory(struct page) backend. >> >> By ndctl looking at SCRATCH_DEV, skip this test if it is >> not in "memory mode". > > DAX devices don't need to be something using NFIT, so I don't think this > method is correct. Memory mode does not depend on an NFIT. There's a superblock stored in the persistent memory that tracks its mode when labels are not present. -Jeff -- To unsubscribe from this list: send the line "unsubscribe fstests" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
