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91 lines
4.1 KiB
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From: Suresh Jayaraman <sjayaraman-l3A5Bk7waGM@public.gmane.org>
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Subject: Re: [RFC][PATCH 10/10] cifs: add mount option to enable local caching
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Date: Fri, 25 Jun 2010 16:18:12 +0530
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Lines: 47
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Message-ID: <4C24896C.4000903@suse.de>
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References: <yes> <1277220309-3757-1-git-send-email-sjayaraman@suse.de> <4C225338.9010807@gmail.com>
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Mime-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 7bit
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Cc: Steve French <smfrench-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
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linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
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David Howells <dhowells-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
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To: Scott Lovenberg <scott.lovenberg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
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X-From: linux-cifs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Fri Jun 25 12:48:27 2010
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Return-path: <linux-cifs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
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Envelope-to: glkc-linux-cifs-1dZseelyfdZg9hUCZPvPmw@public.gmane.org
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Received: from vger.kernel.org ([209.132.180.67])
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(envelope-from <linux-cifs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>)
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id 1OS6SO-0003QF-NW
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for glkc-linux-cifs-1dZseelyfdZg9hUCZPvPmw@public.gmane.org; Fri, 25 Jun 2010 12:48:25 +0200
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Fri, 25 Jun 2010 06:48:23 -0400
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Fri, 25 Jun 2010 06:48:22 -0400
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In-Reply-To: <4C225338.9010807-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
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Sender: linux-cifs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
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Archived-At: <http://permalink.gmane.org/gmane.linux.kernel/1002912>
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On 06/24/2010 12:02 AM, Scott Lovenberg wrote:
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> On 6/22/2010 11:25 AM, Suresh Jayaraman wrote:
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>> Add a mount option 'fsc' to enable local caching on CIFS.
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>>
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>> As the cifs-utils (userspace) changes are not done yet, this patch
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>> enables
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>> 'fsc' by default to assist testing.
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>>
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> [...]
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>> @@ -1332,6 +1336,8 @@ cifs_parse_mount_options(char *options, const
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>> char *devname,
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>> printk(KERN_WARNING "CIFS: Mount option noac not "
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>> "supported. Instead set "
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>> "/proc/fs/cifs/LookupCacheEnabled to 0\n");
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>> + } else if (strnicmp(data, "fsc", 3) == 0) {
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>> + vol->fsc = true;
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>> } else
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>> printk(KERN_WARNING "CIFS: Unknown mount option %s\n",
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>> data);
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>> @@ -2405,6 +2411,8 @@ static void setup_cifs_sb(struct smb_vol
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>> *pvolume_info,
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>> cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_OVERR_GID;
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>> if (pvolume_info->dynperm)
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>> cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_DYNPERM;
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>> + if (pvolume_info->fsc)
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>> + cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_FSCACHE;
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>> if (pvolume_info->direct_io) {
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>> cFYI(1, "mounting share using direct i/o");
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>> cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_DIRECT_IO;
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>>
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> I reworked the CIFS mount option parsing a while back; I'm not sure
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> whether that patch was going to be in the 2.6.35 tree or not (the window
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> just opened, didn't it?).
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Not a problem, I could redo this patch alone when the reworked option
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parsing patches get in.
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> Jeff, Steve, can you confirm if that patch is going to be in 2.6.35?
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>
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> Patch refs: http://patchwork.ozlabs.org/patch/53059/ and
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> http://patchwork.ozlabs.org/patch/53674/
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>
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Thanks,
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--
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Suresh Jayaraman
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