Re: [RFC v2] [PATCH 0/10] DAX page fault locking

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue 22-03-16 15:07:33, Toshi Kani wrote:
> 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
> > > patches]
> > > 
> > > Hello,
> > > 
> > > 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
> > ndctl.
> 
> 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.
> http://www.spinics.net/lists/linux-ext4/msg49876.html
> 
> If there is anything we can do to make this test useful as regression
> tests?

Thanks for the pointer, I forgot about this useful test. As Dave said the
best way for this to not get lost is to include it in xfstests. Since I
want to run the test regularly anyway, I can integrate it myself.

								Honza
-- 
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR
--
To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux Ext4 Filesystem]     [Union Filesystem]     [Filesystem Testing]     [Ceph Users]     [Ecryptfs]     [AutoFS]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux Cachefs]     [Reiser Filesystem]     [Linux RAID]     [Samba]     [Device Mapper]     [CEPH Development]
  Powered by Linux