notmuch/test/corpora/lkml/cur/1382298587.001970:2,
David Bremner e08f5f76e4 test: add 'lkml' corpus
These 210 messages are in several long threads, which is good for
testing our threading code, and may be useful just as a larger test
corpus in the future.
2017-04-13 21:55:43 -03:00

103 lines
4.6 KiB
Text

From: Suresh Jayaraman <sjayaraman-l3A5Bk7waGM@public.gmane.org>
Subject: Re: [RFC][PATCH 04/10] cifs: define server-level cache index objects
and register them with FS-Cache
Date: Wed, 23 Jun 2010 11:04:39 +0530
Lines: 61
Message-ID: <4C219CEF.5000003@suse.de>
References: <yes> <1277220198-3522-1-git-send-email-sjayaraman@suse.de> <20100622175214.4c56234f@corrin.poochiereds.net>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
Cc: Steve French <smfrench-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
David Howells <dhowells-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Jeff Layton <jlayton-vpEMnDpepFuMZCB2o+C8xQ@public.gmane.org>
X-From: linux-cifs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Wed Jun 23 07:34:50 2010
Return-path: <linux-cifs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Envelope-to: glkc-linux-cifs-1dZseelyfdZg9hUCZPvPmw@public.gmane.org
Received: from vger.kernel.org ([209.132.180.67])
by lo.gmane.org with esmtp (Exim 4.69)
(envelope-from <linux-cifs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>)
id 1ORIbp-0002v4-3W
for glkc-linux-cifs-1dZseelyfdZg9hUCZPvPmw@public.gmane.org; Wed, 23 Jun 2010 07:34:49 +0200
Received: (majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org) by vger.kernel.org via listexpand
id S1750954Ab0FWFes (ORCPT <rfc822;glkc-linux-cifs@m.gmane.org>);
Wed, 23 Jun 2010 01:34:48 -0400
Received: from cantor2.suse.de ([195.135.220.15]:58263 "EHLO mx2.suse.de"
rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
id S1750809Ab0FWFes (ORCPT <rfc822;linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>);
Wed, 23 Jun 2010 01:34:48 -0400
Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.221.2])
by mx2.suse.de (Postfix) with ESMTP id 8C18386A2E;
Wed, 23 Jun 2010 07:34:46 +0200 (CEST)
User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.5) Gecko/20091130 SUSE/3.0.0-1.1.1 Thunderbird/3.0
In-Reply-To: <20100622175214.4c56234f-4QP7MXygkU+dMjc06nkz3ljfA9RmPOcC@public.gmane.org>
Sender: linux-cifs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Precedence: bulk
List-ID: <linux-cifs.vger.kernel.org>
X-Mailing-List: linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Archived-At: <http://permalink.gmane.org/gmane.linux.kernel/1001998>
On 06/23/2010 03:22 AM, Jeff Layton wrote:
> On Tue, 22 Jun 2010 20:53:18 +0530
> Suresh Jayaraman <sjayaraman-l3A5Bk7waGM@public.gmane.org> wrote:
>
>> Define server-level cache index objects (as managed by TCP_ServerInfo structs).
>> Each server object is created in the CIFS top-level index object and is itself
>> an index into which superblock-level objects are inserted.
>>
>> Currently, the server objects are keyed by hostname.
>>
>> Signed-off-by: Suresh Jayaraman <sjayaraman-l3A5Bk7waGM@public.gmane.org>
>> ---
>> fs/cifs/Makefile | 2 +-
>> fs/cifs/cache.c | 25 +++++++++++++++++++++++++
>> fs/cifs/cifsglob.h | 3 +++
>> fs/cifs/connect.c | 4 ++++
>> fs/cifs/fscache.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++
>> fs/cifs/fscache.h | 12 ++++++++++++
>> 6 files changed, 92 insertions(+), 1 deletion(-)
>> create mode 100644 fs/cifs/fscache.c
>>
>> Index: cifs-2.6/fs/cifs/Makefile
>> ===================================================================
>> --- cifs-2.6.orig/fs/cifs/Makefile
>> +++ cifs-2.6/fs/cifs/Makefile
>> @@ -12,4 +12,4 @@ cifs-$(CONFIG_CIFS_UPCALL) += cifs_spneg
>>
>> cifs-$(CONFIG_CIFS_DFS_UPCALL) += dns_resolve.o cifs_dfs_ref.o
>>
>> -cifs-$(CONFIG_CIFS_FSCACHE) += cache.o
>> +cifs-$(CONFIG_CIFS_FSCACHE) += fscache.o cache.o
>> Index: cifs-2.6/fs/cifs/cache.c
>> ===================================================================
>> --- cifs-2.6.orig/fs/cifs/cache.c
>> +++ cifs-2.6/fs/cifs/cache.c
>> @@ -51,3 +51,28 @@ void cifs_fscache_unregister(void)
>> fscache_unregister_netfs(&cifs_fscache_netfs);
>> }
>>
>> +/*
>> + * Server object currently keyed by hostname
>> + */
>> +static uint16_t cifs_server_get_key(const void *cookie_netfs_data,
>> + void *buffer, uint16_t maxbuf)
>> +{
>> + const struct TCP_Server_Info *server = cookie_netfs_data;
>> + uint16_t len = strnlen(server->hostname, sizeof(server->hostname));
>> +
>
> Would a tuple of address/family/port be a better choice here? Imagine I
> mount "foo" and then later mount "foor.bar.baz". If they are the same
> address and only the UNC differs, then you won't get the benefit of
> the cache, right?
>
Good point. I'll fix it up when I do a respin.
Thanks,
--
Suresh Jayaraman