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From: Dave Chinner <david@fromorbit.com>
To: Davidlohr Bueso <dbueso@suse.com>
Cc: Jan Kara <jack@suse.cz>, Amir Goldstein <amir73il@gmail.com>,
	"Darrick J . Wong" <darrick.wong@oracle.com>,
	Christoph Hellwig <hch@lst.de>,
	Matthew Wilcox <willy@infradead.org>,
	linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: [POC][PATCH] xfs: reduce ilock contention on buffered randrw workload
Date: Fri, 3 May 2019 15:17:18 +1000	[thread overview]
Message-ID: <20190503051718.GM29573@dread.disaster.area> (raw)
In-Reply-To: <20190503041727.GL29573@dread.disaster.area>

On Fri, May 03, 2019 at 02:17:27PM +1000, Dave Chinner wrote:
> Concept proven.
> 
> Next steps are:
....
> 	- work out whether RCU read locking and kfree_rcu() will
> 	  work with the requirement to do memory allocation while
> 	  holding rcu_read_lock(). Alternative is an internal
> 	  garbage collector mechanism, kinda like I've hacked up to
> 	  simulate kfree_rcu() in userspace.

Internal RCU interactions are now solved. Actually very simple in
the end, should be very easy to integrate into the code.

Cheers,

Dave.
-- 
Dave Chinner
david@fromorbit.com

      reply	other threads:[~2019-05-03  5:17 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-04 16:57 Amir Goldstein
2019-04-04 21:17 ` Dave Chinner
2019-04-05 14:02   ` Amir Goldstein
2019-04-07 23:27     ` Dave Chinner
2019-04-08  9:02       ` Amir Goldstein
2019-04-08 14:11         ` Jan Kara
2019-04-08 17:41           ` Amir Goldstein
2019-04-09  8:26             ` Jan Kara
2019-04-08 11:03       ` Jan Kara
2019-04-22 10:55         ` Boaz Harrosh
2019-04-08 10:33   ` Jan Kara
2019-04-08 16:37     ` Davidlohr Bueso
2019-04-11  1:11       ` Dave Chinner
2019-04-16 12:22         ` Dave Chinner
2019-04-18  3:10           ` Dave Chinner
2019-04-18 18:21             ` Davidlohr Bueso
2019-04-20 23:54               ` Dave Chinner
2019-05-03  4:17                 ` Dave Chinner
2019-05-03  5:17                   ` Dave Chinner [this message]

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