mirror of
https://git.notmuchmail.org/git/notmuch
synced 2024-12-29 12:51:43 +01:00
105 lines
4.4 KiB
Text
105 lines
4.4 KiB
Text
|
From: Suresh Jayaraman <sjayaraman-l3A5Bk7waGM@public.gmane.org>
|
||
|
|
Subject: [RFC][PATCH 10/10] cifs: add mount option to enable local caching
|
||
|
|
Date: Tue, 22 Jun 2010 20:55:09 +0530
|
||
|
|
Lines: 66
|
||
|
|
Message-ID: <1277220309-3757-1-git-send-email-sjayaraman@suse.de>
|
||
|
|
References: <yes>
|
||
|
|
Cc: 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: Steve French <smfrench-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
|
||
|
|
X-From: linux-cifs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Tue Jun 22 17:25:29 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 1OR5Ls-0004PS-BM
|
||
|
|
for glkc-linux-cifs-1dZseelyfdZg9hUCZPvPmw@public.gmane.org; Tue, 22 Jun 2010 17:25:28 +0200
|
||
|
|
Received: (majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org) by vger.kernel.org via listexpand
|
||
|
|
id S1755015Ab0FVPZ1 (ORCPT <rfc822;glkc-linux-cifs@m.gmane.org>);
|
||
|
|
Tue, 22 Jun 2010 11:25:27 -0400
|
||
|
|
Received: from victor.provo.novell.com ([137.65.250.26]:48639 "EHLO
|
||
|
|
victor.provo.novell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
|
||
|
|
with ESMTP id S1754070Ab0FVPZ1 (ORCPT
|
||
|
|
<rfc822;groupwise-SJayaraman-Et1tbQHTxzrQT0dZR+AlfA@public.gmane.org:0:0>);
|
||
|
|
Tue, 22 Jun 2010 11:25:27 -0400
|
||
|
|
X-Greylist: delayed 316 seconds by postgrey-1.27 at vger.kernel.org; Tue, 22 Jun 2010 11:25:26 EDT
|
||
|
|
Received: from localhost (prv-ext-foundry1int.gns.novell.com [137.65.251.240])
|
||
|
|
by victor.provo.novell.com with ESMTP; Tue, 22 Jun 2010 09:25:11 -0600
|
||
|
|
X-Mailer: git-send-email 1.6.4.2
|
||
|
|
In-Reply-To: <yes>
|
||
|
|
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/1001750>
|
||
|
|
|
||
|
|
Add a mount option 'fsc' to enable local caching on CIFS.
|
||
|
|
|
||
|
|
As the cifs-utils (userspace) changes are not done yet, this patch enables
|
||
|
|
'fsc' by default to assist testing.
|
||
|
|
|
||
|
|
Signed-off-by: Suresh Jayaraman <sjayaraman-l3A5Bk7waGM@public.gmane.org>
|
||
|
|
---
|
||
|
|
fs/cifs/cifs_fs_sb.h | 1 +
|
||
|
|
fs/cifs/connect.c | 8 ++++++++
|
||
|
|
2 files changed, 9 insertions(+), 0 deletions(-)
|
||
|
|
|
||
|
|
diff --git a/fs/cifs/cifs_fs_sb.h b/fs/cifs/cifs_fs_sb.h
|
||
|
|
index 246a167..9e77145 100644
|
||
|
|
--- a/fs/cifs/cifs_fs_sb.h
|
||
|
|
+++ b/fs/cifs/cifs_fs_sb.h
|
||
|
|
@@ -35,6 +35,7 @@
|
||
|
|
#define CIFS_MOUNT_DYNPERM 0x1000 /* allow in-memory only mode setting */
|
||
|
|
#define CIFS_MOUNT_NOPOSIXBRL 0x2000 /* mandatory not posix byte range lock */
|
||
|
|
#define CIFS_MOUNT_NOSSYNC 0x4000 /* don't do slow SMBflush on every sync*/
|
||
|
|
+#define CIFS_MOUNT_FSCACHE 0x8000 /* local caching enabled */
|
||
|
|
|
||
|
|
struct cifs_sb_info {
|
||
|
|
struct cifsTconInfo *tcon; /* primary mount */
|
||
|
|
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
|
||
|
|
index 4844dbd..6c6ff3c 100644
|
||
|
|
--- a/fs/cifs/connect.c
|
||
|
|
+++ b/fs/cifs/connect.c
|
||
|
|
@@ -98,6 +98,7 @@ struct smb_vol {
|
||
|
|
bool noblocksnd:1;
|
||
|
|
bool noautotune:1;
|
||
|
|
bool nostrictsync:1; /* do not force expensive SMBflush on every sync */
|
||
|
|
+ bool fsc:1; /* enable fscache */
|
||
|
|
unsigned int rsize;
|
||
|
|
unsigned int wsize;
|
||
|
|
bool sockopt_tcp_nodelay:1;
|
||
|
|
@@ -843,6 +844,9 @@ cifs_parse_mount_options(char *options, const char *devname,
|
||
|
|
/* default to using server inode numbers where available */
|
||
|
|
vol->server_ino = 1;
|
||
|
|
|
||
|
|
+ /* XXX: default to fsc for testing until mount.cifs pieces are done */
|
||
|
|
+ vol->fsc = 1;
|
||
|
|
+
|
||
|
|
if (!options)
|
||
|
|
return 1;
|
||
|
|
|
||
|
|
@@ -1332,6 +1336,8 @@ cifs_parse_mount_options(char *options, const char *devname,
|
||
|
|
printk(KERN_WARNING "CIFS: Mount option noac not "
|
||
|
|
"supported. Instead set "
|
||
|
|
"/proc/fs/cifs/LookupCacheEnabled to 0\n");
|
||
|
|
+ } else if (strnicmp(data, "fsc", 3) == 0) {
|
||
|
|
+ vol->fsc = true;
|
||
|
|
} else
|
||
|
|
printk(KERN_WARNING "CIFS: Unknown mount option %s\n",
|
||
|
|
data);
|
||
|
|
@@ -2405,6 +2411,8 @@ static void setup_cifs_sb(struct smb_vol *pvolume_info,
|
||
|
|
cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_OVERR_GID;
|
||
|
|
if (pvolume_info->dynperm)
|
||
|
|
cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_DYNPERM;
|
||
|
|
+ if (pvolume_info->fsc)
|
||
|
|
+ cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_FSCACHE;
|
||
|
|
if (pvolume_info->direct_io) {
|
||
|
|
cFYI(1, "mounting share using direct i/o");
|
||
|
|
cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_DIRECT_IO;
|
||
|
|
--
|
||
|
|
1.6.4.2
|
||
|
|
|
||
|
|
|
||
|
|
|