linux-kernel - Re: [LKP] [lkp] [dcache_{readdir, dir_lseek}() users] 4e82901cd6: reaim.jobs_per

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Date:	Sun, 26 Jun 2016 10:13:32 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Thorsten Leemhuis <regressions@...mhuis.info>
Cc:	Al Viro <viro@...iv.linux.org.uk>,
	"Huang, Ying" <ying.huang@...el.com>, LKP <lkp@...org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [LKP] [lkp] [dcache_{readdir, dir_lseek}() users] 4e82901cd6:
 reaim.jobs_per_min -49.1% regression

On Sun, Jun 26, 2016 at 2:50 AM, Thorsten Leemhuis
<regressions@...mhuis.info> wrote:
>
> Al, what's the status here? This made it on my 4.7 regressions report
> due to the "regression" keyword in the subject.

I don't think the tmpfs locking is going to get changed for 4.7. This
issue will likely only show up for some very specific microbenchmarks,
and the lockless next_positive one is likely too invasive for this
stage. So the problem is fixable, and not serious enough to worry
about for 4.7.

             Linus