From: Benny Halevy <bhalevy@panasas.com>
To: Fred Isaman <iisaman@netapp.com>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>, linux-nfs@vger.kernel.org
Subject: Re: [PATCH 08/13] RFC: pnfs: filelayout: introduce minimal file layout driver
Date: Mon, 13 Sep 2010 12:16:30 +0200 [thread overview]
Message-ID: <4C8DF9FE.5020506@panasas.com> (raw)
In-Reply-To: <AANLkTi=6vcQC1k28B=aKJbN=jRBipoff3+79BpgLxtXw@mail.gmail.com>
On 2010-09-11 00:11, Fred Isaman wrote:
> On Fri, Sep 10, 2010 at 12:31 PM, Trond Myklebust
> <Trond.Myklebust@netapp.com> wrote:
>> On Thu, 2010-09-02 at 14:00 -0400, Fred Isaman wrote:
>>> From: The pNFS Team <linux-nfs@vger.kernel.org>
>>>
>>> This driver just registers itself and supplies trivial mount/umount functions.
>>>
>>> Signed-off-by: TBD - melding/reorganization of several patches
>>> ---
>>> fs/nfs/Kconfig | 5 +++
>>> fs/nfs/Makefile | 3 ++
>>> fs/nfs/nfs4filelayout.c | 89 +++++++++++++++++++++++++++++++++++++++++++++++
>>> include/linux/nfs_fs.h | 1 +
>>> 4 files changed, 98 insertions(+), 0 deletions(-)
>>> create mode 100644 fs/nfs/nfs4filelayout.c
>>>
>>> diff --git a/fs/nfs/Kconfig b/fs/nfs/Kconfig
>>> index 5f1b936..980f2dc 100644
>>> --- a/fs/nfs/Kconfig
>>> +++ b/fs/nfs/Kconfig
>>> @@ -82,6 +82,11 @@ config NFS_V4_1
>>>
>>> If unsure, say N.
>>>
>>> +config PNFS_FILE_LAYOUT
>>> + tristate
>>> + depends on NFS_FS && NFS_V4_1
>>> + default m
>>
>> Should be 'default y', otherwise it has an implicit dependency on
>> CONFIG_MODULES.
>>
>
> The idea was that normally the driver would compile as a module, and
> use loading/unloading of it to control whether pnfs is supported.
>
> Is there a way to do this that does not introduce the implicit dependency?
>
The explicit dependency on NFS_FS does the trick for you (as it is currently in the
pnfs tree), so the default is set to m iff NFS_FS==m
Benny
next prev parent reply other threads:[~2010-09-13 10:16 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-02 18:00 [PATCH 00/13] RFC: pnfs: LAYOUTGET/DEVINFO submission Fred Isaman
2010-09-02 18:00 ` [PATCH 01/13] NFSD: remove duplicate NFS4_STATEID_SIZE Fred Isaman
2010-09-02 18:00 ` [PATCH 02/13] SUNRPC: define xdr_decode_opaque_fixed Fred Isaman
2010-09-02 18:00 ` [PATCH 03/13] RFC: pnfsd, pnfs: protocol level pnfs constants Fred Isaman
2010-09-02 18:00 ` [PATCH 04/13] RFC: nfs: change stateid to be a union Fred Isaman
2010-09-02 18:00 ` [PATCH 05/13] RFC: nfs: ask for layouttypes during fsinfo call Fred Isaman
2010-09-02 18:00 ` [PATCH 06/13] RFC: nfs: set layout driver Fred Isaman
2010-09-02 18:00 ` [PATCH 07/13] RFC: pnfs: full mount/umount infrastructure Fred Isaman
2010-09-10 19:23 ` Trond Myklebust
[not found] ` <1284146604.10062.68.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2010-09-10 20:53 ` Fred Isaman
2010-09-13 11:06 ` Boaz Harrosh
2010-09-13 14:44 ` Christoph Hellwig
2010-09-13 15:14 ` Boaz Harrosh
2010-09-13 11:20 ` Benny Halevy
2010-09-10 23:58 ` Christoph Hellwig
2010-09-11 0:07 ` Trond Myklebust
2010-09-13 11:24 ` Benny Halevy
2010-09-13 12:29 ` Trond Myklebust
2010-09-13 14:37 ` Benny Halevy
2010-09-13 16:55 ` Trond Myklebust
2010-09-13 14:28 ` Christoph Hellwig
2010-09-13 14:39 ` Benny Halevy
2010-09-13 15:07 ` Christoph Hellwig
2010-09-13 15:27 ` Fred Isaman
2010-09-02 18:00 ` [PATCH 08/13] RFC: pnfs: filelayout: introduce minimal file layout driver Fred Isaman
2010-09-10 19:31 ` Trond Myklebust
2010-09-10 21:11 ` Fred Isaman
2010-09-10 22:37 ` Trond Myklebust
2010-09-13 10:32 ` Benny Halevy
2010-09-13 13:01 ` Fred Isaman
[not found] ` <AANLkTimONZfA6ZX4xtzbmy0NdfEtbwMAi+__PhFYznTn-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-09-13 14:23 ` Benny Halevy
2010-09-13 14:48 ` Christoph Hellwig
2010-09-13 10:16 ` Benny Halevy [this message]
2010-09-10 23:56 ` Christoph Hellwig
2010-09-11 0:03 ` Trond Myklebust
2010-09-11 0:07 ` Christoph Hellwig
2010-09-11 0:13 ` Trond Myklebust
2010-09-13 11:28 ` Benny Halevy
2010-09-13 15:08 ` Christoph Hellwig
2010-09-13 15:16 ` Fred Isaman
2010-09-02 18:00 ` [PATCH 09/13] RFC: nfs: create and destroy inode's layout cache Fred Isaman
2010-09-10 19:43 ` Trond Myklebust
[not found] ` <1284147785.10062.80.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2010-09-10 21:13 ` Fred Isaman
2010-09-13 11:32 ` Benny Halevy
2010-09-02 18:00 ` [PATCH 10/13] RFC: nfs: client needs to maintain list of inodes with active layouts Fred Isaman
2010-09-10 19:59 ` Trond Myklebust
[not found] ` <1284148768.10062.94.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2010-09-10 21:18 ` Fred Isaman
2010-09-02 18:00 ` [PATCH 11/13] RFC: nfs: retry on certain pnfs errors Fred Isaman
2010-09-02 18:00 ` [PATCH 12/13] RFC: pnfs: add LAYOUTGET and GETDEVICEINFO infrastructure Fred Isaman
2010-09-10 20:11 ` Trond Myklebust
2010-09-10 21:47 ` Fred Isaman
2010-09-10 22:43 ` Trond Myklebust
2010-09-13 14:16 ` Benny Halevy
2010-09-02 18:00 ` [PATCH 13/13] RFC: pnfs: filelayout: add driver's " Fred Isaman
2010-09-10 20:33 ` Trond Myklebust
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