[dm-devel] [PATCH v3 0/3] dm: allow mempool and bioset reserves to be tuned

Frank Mayhar fmayhar at google.com
Wed Sep 18 15:10:24 UTC 2013


On Fri, 2013-09-13 at 17:08 -0400, Mike Snitzer 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
> 
> v3 changes:
> Added bounds checking (if 0 reset to default, if > 1024 reset to 1024)
> 
> 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

Very nice, thanks for doing this.  It also makes these parameters a lot
more clear about what they're for, which is a feature.  "MIN_IOS" was
kind of opaque without actually digging into the code.

Feel free to add

Signed-off-by: Frank Mayhar <fmayhar at google.com>

if you care to.
-- 
Frank Mayhar
310-460-4042




More information about the dm-devel mailing list