linux-kernel - Re: [PATCH 0/2] block: loop: fix stacked loop and performance regression

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 05 May 2015 14:01:05 -0500
From:	"Justin M. Forbes" <jforbes@...oraproject.org>
To:	Ming Lei <ming.lei@...onical.com>
Cc:	Jens Axboe <axboe@...nel.dk>, linux-kernel@...r.kernel.org,
	Jeff Moyer <jmoyer@...hat.com>, Tejun Heo <tj@...nel.org>,
	Christoph Hellwig <hch@...radead.org>
Subject: Re: [PATCH 0/2] block: loop: fix stacked loop and performance
 regression

On Tue, 2015-05-05 at 19:49 +0800, Ming Lei wrote:
> Hi,
> 
> The 1st patch convers to per-device workqueue because loop devices
> can be stacked.
> 
> The 2nd patch decreases max active works as 16, so that fedora 22's
> boot performance regression can be fixed.
> 
>  drivers/block/loop.c | 30 ++++++++++++++----------------
>  drivers/block/loop.h |  1 +
>  2 files changed, 15 insertions(+), 16 deletions(-)
> 
> 
> Thanks,
> Ming Lei
> 

Tested with Fedora 22 ISOs, these still solve the problem for us.

Tested-by: Justin M. Forbes <jforbes@...oraproject.org>

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/