From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752475Ab2LPDJ1 (ORCPT ); Sat, 15 Dec 2012 22:09:27 -0500 Received: from dcvr.yhbt.net ([64.71.152.64]:59873 "EHLO dcvr.yhbt.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751925Ab2LPDJ0 (ORCPT ); Sat, 15 Dec 2012 22:09:26 -0500 Date: Sun, 16 Dec 2012 03:09:25 +0000 From: Eric Wong To: Dave Chinner Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] fadvise: perform WILLNEED readahead in a workqueue Message-ID: <20121216030925.GB28172@dcvr.yhbt.net> References: <20121215005448.GA7698@dcvr.yhbt.net> <20121216024520.GH9806@dastard> <20121216030442.GA28172@dcvr.yhbt.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20121216030442.GA28172@dcvr.yhbt.net> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Eric Wong wrote: > Perhaps squashing something like the following will work? Last hunk should've had a return before skip_ra: --- a/mm/readahead.c +++ b/mm/readahead.c @@ -264,6 +266,10 @@ void wq_page_cache_readahead(struct address_space *mapping, struct file *filp, req->nr_to_read = nr_to_read; queue_work(readahead_wq, &req->work); + + return; +skip_ra: + fput(filp); } /* -- Eric Wong