From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760339AbZAQCeL (ORCPT ); Fri, 16 Jan 2009 21:34:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758184AbZAQCaT (ORCPT ); Fri, 16 Jan 2009 21:30:19 -0500 Received: from smtp-out.google.com ([216.239.45.13]:20138 "EHLO smtp-out.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935372AbZAQCaP (ORCPT ); Fri, 16 Jan 2009 21:30:15 -0500 DomainKey-Signature: a=rsa-sha1; s=beta; d=google.com; c=nofws; q=dns; h=from:subject:to:date:message-id:in-reply-to:references: user-agent:mime-version:content-type: content-transfer-encoding:x-gmailtapped-by:x-gmailtapped; b=PiNxSIv0AG4ZyT9wCJAPISDxAa9WEeGvKRdIdCez8GrerPLYIJa9uTS/oaMTjNE+V SmUHZkIhV8PQtfPOwRmTg== From: Mike Waychison Subject: [PATCH v1 7/8] Make drop_caches flush pending dput()s and iput()s To: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Date: Fri, 16 Jan 2009 18:30:12 -0800 Message-ID: <20090117023012.20425.49587.stgit@crlf.corp.google.com> In-Reply-To: <20090117022936.20425.43248.stgit@crlf.corp.google.com> References: <20090117022936.20425.43248.stgit@crlf.corp.google.com> User-Agent: StGIT/0.14.3 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-GMailtapped-By: 172.25.146.75 X-GMailtapped: mikew Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When doing echo 3 > /proc/sys/vm/drop_caches, we wish to free up as much inode and dentry slab as possible. This path is updated to flush any pending iputs and dputs once the shrinkers are called. Signed-off-by: Mike Waychison --- fs/drop_caches.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/fs/drop_caches.c b/fs/drop_caches.c index 3e5637f..1e47470 100644 --- a/fs/drop_caches.c +++ b/fs/drop_caches.c @@ -60,6 +60,7 @@ static void drop_slab(void) do { nr_objects = shrink_slab(1000, GFP_KERNEL, 1000); } while (nr_objects > 10); + dput_drain_all(); } int drop_caches_sysctl_handler(ctl_table *table, int write,