Re: your mail

Dave Chinner
2010-06-16T22:15:59Z

On Wed, Jun 16, 2010 at 06:33:49PM +0200, Jan Kara wrote:
> Hello,
>
> here is the fourth version of the writeback livelock avoidance patches
> for data integrity writes. To quickly summarize the idea: we tag dirty
> pages at the beginning of write_cache_pages with a new TOWRITE tag and
> then write only tagged pages to avoid parallel writers to livelock us.
> See changelogs of the patches for more details.
> I have tested the patches with fsx and a test program I wrote which
> checks that if we crash after fsync, the data is indeed on disk.
> If there are no more concerns, can these patches get merged?

Has it been run through xfstests? I'd suggest doing that at least
with XFS as there are several significant sync sanity tests for XFS
in the suite...

Cheers,

Dave.
--
Dave Chinner
david@fromorbit.com