From: David Sterba <dsterba@suse.cz>
To: Liu Bo <obuil.liubo@gmail.com>
Cc: Chris Mason <clm@fb.com>,
torvalds@linux-foundation.org, linux-btrfs@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [GIT PULL] Btrfs updates for 4.20, part 1
Date: Tue, 23 Oct 2018 13:19:10 +0200 [thread overview]
Message-ID: <20181023111910.GO16290@suse.cz> (raw)
In-Reply-To: <CANQeFDB6Qy_=E1GD6i6f3VaU0CiKQBr7td1=8gbvZYZ3ui88Yg@mail.gmail.com>
On Mon, Oct 22, 2018 at 05:23:36PM -0700, Liu Bo wrote:
> > Performance improvements:
> >
> > * blocking mode of path is gone, means that only the spinning mode is used;
>
> I'd like to do a few corrections here, the transition from the
> spinning mode to blocking mode is removed, we still need blocking mode
> of path for sleeping context.
Ok, thanks. So for the purpose of merge changelog, the updated text:
* transition between blocking and spinning modes of path is gone, which
originally resulted to more unnecessary wakeups and updates to the
path locks, the effects are measurable and improve latency and
scalability
next prev parent reply other threads:[~2018-10-23 11:19 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-22 17:22 [GIT PULL] Btrfs updates for 4.20, part 1 David Sterba
2018-10-23 0:23 ` Liu Bo
2018-10-23 11:19 ` David Sterba [this message]
2018-10-24 16:21 ` Linus Torvalds
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