On Wed, Oct 09, 2019 at 09:14:40PM -0700, Darrick J. Wong wrote: > From: Darrick J. Wong <darrick.wong@xxxxxxxxxx> > > Add a test to make sure that we can handle multiple memory mappings to a > physical storage extent shared by multiple files, and that we can handle > the copy on write operation without error. > > Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> Thanks, this looks good: Reviewed-by: Christoph Hellwig <hch@xxxxxx> To further try fund DAX corner cases we should also try different offsets for the different files, or different offsets in the same file referring to the same blocks. I can take a stab at that once I find some time.
