From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.fusionio.com ([66.114.96.30]:53162 "EHLO mx1.fusionio.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754302Ab2LROEM (ORCPT ); Tue, 18 Dec 2012 09:04:12 -0500 Date: Tue, 18 Dec 2012 09:04:09 -0500 From: Josef Bacik To: Atri Sharma CC: "linux-btrfs@vger.kernel.org" Subject: Re: BTree lock contention Message-ID: <20121218140409.GD2403@localhost.localdomain> References: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" In-Reply-To: Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Mon, Dec 17, 2012 at 09:24:23PM -0700, Atri Sharma wrote: > Hi All, > > I was looking through the project ideas page for picking up a project > do start working with BTRFS. I am really interested in Btree lock > contention project, but it seems to be marked that it has already been > done in v3.1 > > Is the project still open? Can I work on it? > Go for it, we still have plenty of lock contention, it's just in 3.1 we switched to a read/write lock which helped a bunch. Still if you have all writers you are going to hit quite a bit of lock contention, especially on the root nodes. If you have ideas go for it. Thanks, Josef