[dm-devel] [PATCH v2 0/3] dm: allow mempool and bioset reserves to be tuned

[Mike Snitzer]

On Fri, Sep 13 2013 at  2:59pm -0400,
Mike Snitzer <snitzer at redhat.com> wrote:

> You can pull these changes from the 'devel' branch of:
> git://git.kernel.org/pub/scm/linux/kernel/git/snitzer/linux.git
> 
> To browse, see:
> https://git.kernel.org/cgit/linux/kernel/git/snitzer/linux.git/log/?h=devel
> 
> v2 changes:
> Simplified the implementation.  Dropped the peak_reserved_rq_based_ios
> tracking, we'll use the tracepoint patch Jun'ichi Nomura suggested:
> http://www.redhat.com/archives/dm-devel/2013-September/msg00048.html

This needs a v3 because the simplified code doesn't handle bounds
properly (previous version handled remapping 0 to defaults).  But we
also need a maximum value that we're willing to support.  So if the user
exceeds that value it is reset to the max supported.