linux-kernel - Re: [PATCH] NFSd: use network-namespace-aware cache registering routines

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Message-ID: <4EDF2805.3090700@parallels.com>
Date:	Wed, 07 Dec 2011 12:47:01 +0400
From:	Stanislav Kinsbursky <skinsbursky@...allels.com>
To:	"J. Bruce Fields" <bfields@...ldses.org>
CC:	"neilb@...e.de" <neilb@...e.de>,
	"linux-nfs@...r.kernel.org" <linux-nfs@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] NFSd: use network-namespace-aware cache registering routines

07.12.2011 01:14, J. Bruce Fields пишет:
> On Tue, Dec 06, 2011 at 04:02:34PM -0500, J. Bruce Fields wrote:
>> On Tue, Dec 06, 2011 at 05:04:31PM +0300, Stanislav Kinsbursky wrote:
>>> This is a cleanup patch. Some day (hope, soon enough) generic cache_register()
>>> and cache_unregister() will be removed.
>>
>> OK, applying for 3.3.--b.
>
> Whoops, no I'm not, these make modular builds fail.  Looks like we need
> a couple EXPORT_SYMBOL_GPL()'s.  Could you resend?
>

Sorry. My fault (I exported these symbols in other patch).
Will resend soon.

> --b.
>
>>
>>>
>>> Signed-off-by: Stanislav Kinsbursky<skinsbursky@...allels.com>
>>>
>>> ---
>>>   fs/nfsd/export.c    |   10 +++++-----
>>>   fs/nfsd/nfs4idmap.c |   11 ++++++-----
>>>   2 files changed, 11 insertions(+), 10 deletions(-)
>>>
>>> diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
>>> index 62f3b90..d1feeef 100644
>>> --- a/fs/nfsd/export.c
>>> +++ b/fs/nfsd/export.c
>>> @@ -1226,12 +1226,12 @@ nfsd_export_init(void)
>>>   	int rv;
>>>   	dprintk("nfsd: initializing export module.\n");
>>>
>>> -	rv = cache_register(&svc_export_cache);
>>> +	rv = cache_register_net(&svc_export_cache,&init_net);
>>>   	if (rv)
>>>   		return rv;
>>> -	rv = cache_register(&svc_expkey_cache);
>>> +	rv = cache_register_net(&svc_expkey_cache,&init_net);
>>>   	if (rv)
>>> -		cache_unregister(&svc_export_cache);
>>> +		cache_unregister_net(&svc_export_cache,&init_net);
>>>   	return rv;
>>>
>>>   }
>>> @@ -1255,8 +1255,8 @@ nfsd_export_shutdown(void)
>>>
>>>   	dprintk("nfsd: shutting down export module.\n");
>>>
>>> -	cache_unregister(&svc_expkey_cache);
>>> -	cache_unregister(&svc_export_cache);
>>> +	cache_unregister_net(&svc_expkey_cache,&init_net);
>>> +	cache_unregister_net(&svc_export_cache,&init_net);
>>>   	svcauth_unix_purge();
>>>
>>>   	dprintk("nfsd: export shutdown complete.\n");
>>> diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c
>>> index 55780a2..9409627 100644
>>> --- a/fs/nfsd/nfs4idmap.c
>>> +++ b/fs/nfsd/nfs4idmap.c
>>> @@ -36,6 +36,7 @@
>>>   #include<linux/seq_file.h>
>>>   #include<linux/sched.h>
>>>   #include<linux/slab.h>
>>> +#include<net/net_namespace.h>
>>>   #include "idmap.h"
>>>   #include "nfsd.h"
>>>
>>> @@ -466,20 +467,20 @@ nfsd_idmap_init(void)
>>>   {
>>>   	int rv;
>>>
>>> -	rv = cache_register(&idtoname_cache);
>>> +	rv = cache_register_net(&idtoname_cache,&init_net);
>>>   	if (rv)
>>>   		return rv;
>>> -	rv = cache_register(&nametoid_cache);
>>> +	rv = cache_register_net(&nametoid_cache,&init_net);
>>>   	if (rv)
>>> -		cache_unregister(&idtoname_cache);
>>> +		cache_unregister_net(&idtoname_cache,&init_net);
>>>   	return rv;
>>>   }
>>>
>>>   void
>>>   nfsd_idmap_shutdown(void)
>>>   {
>>> -	cache_unregister(&idtoname_cache);
>>> -	cache_unregister(&nametoid_cache);
>>> +	cache_unregister_net(&idtoname_cache,&init_net);
>>> +	cache_unregister_net(&nametoid_cache,&init_net);
>>>   }
>>>
>>>   static int
>>>


-- 
Best regards,
Stanislav Kinsbursky
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