lkml.org 
[lkml]   [2018]   [Aug]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH RFC 01/10] rcu: Make CONFIG_SRCU unconditionally enabled
On Wed, Aug 08, 2018 at 05:07:08PM -0700, Matthew Wilcox wrote:
> On Thu, Aug 09, 2018 at 07:31:25AM +1000, Dave Chinner wrote:
> > IMO, we've had enough recent bugs to deal with from shrinkers being
> > called before the filesystem is set up and from trying to handle
> > allocation errors during setup. Do we really want to make shrinker
> > shutdown just as prone to mismanagement and subtle, hard to hit
> > bugs? I don't think we do - unmount is simply not a critical
> > performance path.
>
> It's never been performance critical for me, but I'm not so sure that
> there aren't container workloads which unmount filesystems multiple
> times per second.

What? Why would they do that? Who cares about tear-down speeds? Start
up speeds I can kind of understand...

\
 
 \ /
  Last update: 2018-08-09 09:46    [W:0.050 / U:0.028 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site