mirror of
https://git.notmuchmail.org/git/notmuch
synced 2024-11-24 20:08:10 +01:00
e08f5f76e4
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.
254 lines
10 KiB
Text
254 lines
10 KiB
Text
From: Jeff Layton <jlayton-vpEMnDpepFuMZCB2o+C8xQ@public.gmane.org>
|
|
Subject: Re: [RFC][PATCH 04/10] cifs: define server-level cache index
|
|
objects and register them with FS-Cache
|
|
Date: Tue, 22 Jun 2010 17:52:14 -0400
|
|
Lines: 204
|
|
Message-ID: <20100622175214.4c56234f@corrin.poochiereds.net>
|
|
References: <yes>
|
|
<1277220198-3522-1-git-send-email-sjayaraman@suse.de>
|
|
Mime-Version: 1.0
|
|
Content-Type: text/plain; charset=US-ASCII
|
|
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: Suresh Jayaraman <sjayaraman-l3A5Bk7waGM@public.gmane.org>
|
|
X-From: linux-cifs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Tue Jun 22 23:50:23 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 1ORBMJ-0005WJ-Lj
|
|
for glkc-linux-cifs-1dZseelyfdZg9hUCZPvPmw@public.gmane.org; Tue, 22 Jun 2010 23:50:20 +0200
|
|
Received: (majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org) by vger.kernel.org via listexpand
|
|
id S1750777Ab0FVVuS (ORCPT <rfc822;glkc-linux-cifs@m.gmane.org>);
|
|
Tue, 22 Jun 2010 17:50:18 -0400
|
|
Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.120]:55670 "EHLO
|
|
cdptpa-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
|
|
with ESMTP id S1750749Ab0FVVuR (ORCPT
|
|
<rfc822;linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>); Tue, 22 Jun 2010 17:50:17 -0400
|
|
X-Authority-Analysis: v=1.1 cv=8MuG1bpxLlSbaYWWtODGdBCK7StbFcRsMXhWm1NVx/I= c=1 sm=0 a=wpY4Lvx3kJcA:10 a=UBIxAjGgU1YA:10 a=kj9zAlcOel0A:10 a=ld/erqUjW76FpBUqCqkKeA==:17 a=VwQbUJbxAAAA:8 a=qYub2k57AAAA:8 a=uYIlwBZcjrF9BUCsR4kA:9 a=OO1ZLbZb6q4TPdC5pcAA:7 a=jFshslHAf8hJVDYUYRlYN4n-w5YA:4 a=CjuIK1q_8ugA:10 a=x8gzFH9gYPwA:10 a=0kPLrQdw3YYA:10 a=jBoGP612-tUA:10 a=t5DF_bUGhurCx8LQ:21 a=W6P_Gh1y2IibdbqZ:21 a=ld/erqUjW76FpBUqCqkKeA==:117
|
|
X-Cloudmark-Score: 0
|
|
X-Originating-IP: 71.70.153.3
|
|
Received: from [71.70.153.3] ([71.70.153.3:59154] helo=mail.poochiereds.net)
|
|
by cdptpa-oedge03.mail.rr.com (envelope-from <jlayton-vpEMnDpepFuMZCB2o+C8xQ@public.gmane.org>)
|
|
(ecelerity 2.2.2.39 r()) with ESMTP
|
|
id AC/10-00502-710312C4; Tue, 22 Jun 2010 21:50:16 +0000
|
|
Received: from corrin.poochiereds.net (unknown [65.88.2.5])
|
|
by mail.poochiereds.net (Postfix) with ESMTPSA id 03B11580F4;
|
|
Tue, 22 Jun 2010 17:50:14 -0400 (EDT)
|
|
In-Reply-To: <1277220198-3522-1-git-send-email-sjayaraman-l3A5Bk7waGM@public.gmane.org>
|
|
X-Mailer: Claws Mail 3.7.6 (GTK+ 2.20.1; x86_64-redhat-linux-gnu)
|
|
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/1001918>
|
|
|
|
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?
|
|
|
|
> + if (len > maxbuf)
|
|
> + return 0;
|
|
> +
|
|
> + memcpy(buffer, server->hostname, len);
|
|
> +
|
|
> + return len;
|
|
> +}
|
|
> +
|
|
> +/*
|
|
> + * Server object for FS-Cache
|
|
> + */
|
|
> +const struct fscache_cookie_def cifs_fscache_server_index_def = {
|
|
> + .name = "CIFS.server",
|
|
> + .type = FSCACHE_COOKIE_TYPE_INDEX,
|
|
> + .get_key = cifs_server_get_key,
|
|
> +};
|
|
> Index: cifs-2.6/fs/cifs/cifsglob.h
|
|
> ===================================================================
|
|
> --- cifs-2.6.orig/fs/cifs/cifsglob.h
|
|
> +++ cifs-2.6/fs/cifs/cifsglob.h
|
|
> @@ -193,6 +193,9 @@ struct TCP_Server_Info {
|
|
> bool sec_mskerberos; /* supports legacy MS Kerberos */
|
|
> bool sec_kerberosu2u; /* supports U2U Kerberos */
|
|
> bool sec_ntlmssp; /* supports NTLMSSP */
|
|
> +#ifdef CONFIG_CIFS_FSCACHE
|
|
> + struct fscache_cookie *fscache; /* client index cache cookie */
|
|
> +#endif
|
|
> };
|
|
>
|
|
> /*
|
|
> Index: cifs-2.6/fs/cifs/connect.c
|
|
> ===================================================================
|
|
> --- cifs-2.6.orig/fs/cifs/connect.c
|
|
> +++ cifs-2.6/fs/cifs/connect.c
|
|
> @@ -48,6 +48,7 @@
|
|
> #include "nterr.h"
|
|
> #include "rfc1002pdu.h"
|
|
> #include "cn_cifs.h"
|
|
> +#include "fscache.h"
|
|
>
|
|
> #define CIFS_PORT 445
|
|
> #define RFC1001_PORT 139
|
|
> @@ -1453,6 +1454,8 @@ cifs_put_tcp_session(struct TCP_Server_I
|
|
> return;
|
|
> }
|
|
>
|
|
> + cifs_fscache_release_client_cookie(server);
|
|
> +
|
|
> list_del_init(&server->tcp_ses_list);
|
|
> write_unlock(&cifs_tcp_ses_lock);
|
|
>
|
|
> @@ -1572,6 +1575,7 @@ cifs_get_tcp_session(struct smb_vol *vol
|
|
> goto out_err;
|
|
> }
|
|
>
|
|
> + cifs_fscache_get_client_cookie(tcp_ses);
|
|
> /* thread spawned, put it on the list */
|
|
> write_lock(&cifs_tcp_ses_lock);
|
|
> list_add(&tcp_ses->tcp_ses_list, &cifs_tcp_ses_list);
|
|
> Index: cifs-2.6/fs/cifs/fscache.c
|
|
> ===================================================================
|
|
> --- /dev/null
|
|
> +++ cifs-2.6/fs/cifs/fscache.c
|
|
> @@ -0,0 +1,47 @@
|
|
> +/*
|
|
> + * fs/cifs/fscache.c - CIFS filesystem cache interface
|
|
> + *
|
|
> + * Copyright (c) 2010 Novell, Inc.
|
|
> + * Authors(s): Suresh Jayaraman (sjayaraman-l3A5Bk7waGM@public.gmane.org>
|
|
> + *
|
|
> + * This library is free software; you can redistribute it and/or modify
|
|
> + * it under the terms of the GNU Lesser General Public License as published
|
|
> + * by the Free Software Foundation; either version 2.1 of the License, or
|
|
> + * (at your option) any later version.
|
|
> + *
|
|
> + * This library is distributed in the hope that it will be useful,
|
|
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
|
|
> + * the GNU Lesser General Public License for more details.
|
|
> + *
|
|
> + * You should have received a copy of the GNU Lesser General Public License
|
|
> + * along with this library; if not, write to the Free Software
|
|
> + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
> + */
|
|
> +#include <linux/init.h>
|
|
> +#include <linux/kernel.h>
|
|
> +#include <linux/sched.h>
|
|
> +#include <linux/mm.h>
|
|
> +#include <linux/in6.h>
|
|
> +
|
|
> +#include "fscache.h"
|
|
> +#include "cifsglob.h"
|
|
> +#include "cifs_debug.h"
|
|
> +
|
|
> +void cifs_fscache_get_client_cookie(struct TCP_Server_Info *server)
|
|
> +{
|
|
> + server->fscache =
|
|
> + fscache_acquire_cookie(cifs_fscache_netfs.primary_index,
|
|
> + &cifs_fscache_server_index_def, server);
|
|
> + cFYI(1, "CIFS: get client cookie (0x%p/0x%p)\n",
|
|
> + server, server->fscache);
|
|
> +}
|
|
> +
|
|
> +void cifs_fscache_release_client_cookie(struct TCP_Server_Info *server)
|
|
> +{
|
|
> + cFYI(1, "CIFS: release client cookie (0x%p/0x%p)\n",
|
|
> + server, server->fscache);
|
|
> + fscache_relinquish_cookie(server->fscache, 0);
|
|
> + server->fscache = NULL;
|
|
> +}
|
|
> +
|
|
> Index: cifs-2.6/fs/cifs/fscache.h
|
|
> ===================================================================
|
|
> --- cifs-2.6.orig/fs/cifs/fscache.h
|
|
> +++ cifs-2.6/fs/cifs/fscache.h
|
|
> @@ -27,14 +27,26 @@
|
|
> #ifdef CONFIG_CIFS_FSCACHE
|
|
>
|
|
> extern struct fscache_netfs cifs_fscache_netfs;
|
|
> +extern const struct fscache_cookie_def cifs_fscache_server_index_def;
|
|
>
|
|
> extern int cifs_fscache_register(void);
|
|
> extern void cifs_fscache_unregister(void);
|
|
>
|
|
> +/*
|
|
> + * fscache.c
|
|
> + */
|
|
> +extern void cifs_fscache_get_client_cookie(struct TCP_Server_Info *);
|
|
> +extern void cifs_fscache_release_client_cookie(struct TCP_Server_Info *);
|
|
> +
|
|
> #else /* CONFIG_CIFS_FSCACHE */
|
|
> static inline int cifs_fscache_register(void) { return 0; }
|
|
> static inline void cifs_fscache_unregister(void) {}
|
|
>
|
|
> +static inline void
|
|
> +cifs_fscache_get_client_cookie(struct TCP_Server_Info *server) {}
|
|
> +static inline void
|
|
> +cifs_fscache_get_client_cookie(struct TCP_Server_Info *server); {}
|
|
> +
|
|
> #endif /* CONFIG_CIFS_FSCACHE */
|
|
>
|
|
> #endif /* _CIFS_FSCACHE_H */
|
|
> --
|
|
> To unsubscribe from this list: send the line "unsubscribe linux-cifs" in
|
|
> the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
|
|
> More majordomo info at http://vger.kernel.org/majordomo-info.html
|
|
>
|
|
|
|
|
|
--
|
|
Jeff Layton <jlayton-vpEMnDpepFuMZCB2o+C8xQ@public.gmane.org>
|
|
|
|
|