On Tue, 2016-03-22 at 13:32 -0600, Ross Zwisler wrote:
On Mon, Mar 21, 2016 at 02:22:45PM +0100, Jan Kara wrote:
> [Sorry for repost but I accidentally sent initial email without
> this is my second attempt at DAX page fault locking rewrite. Things now
> work reasonably well, it has survived full xfstests run on ext4. I
> guess I need to do more mmap targetted tests to unveil issues. Guys
> what do you used for DAX testing?
I typically use xfstests for regression testing. If we can come up with
new generally useful regression tests, especially ones concerning mmap
races, that would be awesome. I guess it's just a choice between adding
them somewhere in xfstests or somewhere else like with the unit tests in
Brian Boylston wrote a test for mmap race conditions and posted it before.
This test was very useful to fix the data corruption issue we had before.
If there is anything we can do to make this test useful as regression