Return-Path: linux-nfs-owner@vger.kernel.org Received: from bombadil.infradead.org ([198.137.202.9]:58688 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752908AbaHXQIE (ORCPT ); Sun, 24 Aug 2014 12:08:04 -0400 Date: Sun, 24 Aug 2014 09:08:04 -0700 From: Christoph Hellwig To: Jeff Layton Cc: linux-fsdevel@vger.kernel.org, bfields@fieldses.org, hch@infradead.org, cluster-devel@redhat.com, linux-cifs@vger.kernel.org, linux-nfs@vger.kernel.org Subject: Re: [PATCH 09/10] locks: move freeing of leases outside of i_lock Message-ID: <20140824160804.GH15908@infradead.org> References: <1408804878-1331-1-git-send-email-jlayton@primarydata.com> <1408804878-1331-10-git-send-email-jlayton@primarydata.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1408804878-1331-10-git-send-email-jlayton@primarydata.com> Sender: linux-nfs-owner@vger.kernel.org List-ID: On Sat, Aug 23, 2014 at 10:41:17AM -0400, Jeff Layton wrote: > There was only one place where we still could free a file_lock while > holding the i_lock -- lease_modify. Add a new list_head argument to the > lm_change operation, pass in a private list when calling it, and fix > those callers to dispose of the list once the lock has been dropped. Why do we care about locks held when simply freeing a piece of memory?