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From: "J. Bruce Fields" <bfields@fieldses.org>
To: Peter Staubach <staubach@redhat.com>
Cc: Neil Brown <neilb@suse.de>,
	linux-nfs@vger.kernel.org, nfs@lists.sourceforge.net
Subject: Re: [PATCH] nfsd: fail module init on reply cache init	failure
Date: Fri, 16 Nov 2007 10:30:36 -0500	[thread overview]
Message-ID: <20071116153036.GG31958@fieldses.org> (raw)
In-Reply-To: <473DA941.4050101@redhat.com>

On Fri, Nov 16, 2007 at 09:29:21AM -0500, Peter Staubach wrote:
> J. Bruce Fields wrote:
>> +	printk(KERN_ERR "nfsd: failed to allocate reply cache\n");
>>   
>
> I was thinking that it might be nice to have something which
> better explains what the ramifications of this failure might
> be.  This explains _precisely_ what happened, but not what
> will happen in the future.

The module will fail to load (or, I suppose, the kernel will fail to
boot?).  So the failure will be pretty obvious.

>
> Or can we get this documented in some fashion that admins
> will know how to find and translate to what they need to
> understand and do?

Would a more explicit statement of the cause (like "nfsd: out of memory
setting up reply cache") be helpful?

Obviously this should only happen in a rather extreme low-memory
condition.

--b.

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  reply	other threads:[~2007-11-16 15:30 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-15 21:56 8 patches cleaning up nfsd initialization J. Bruce Fields
2007-11-15 21:56 ` [PATCH] knfsd: cleanup nfsd4 properly on module init failure J. Bruce Fields
2007-11-15 21:56   ` [PATCH] nfsd: cleanup nfsd module initialization cleanup J. Bruce Fields
2007-11-15 21:56     ` [PATCH] nfsd: fail module init on reply cache init failure J. Bruce Fields
2007-11-15 21:56       ` [PATCH] knfsd: cache unregistration needn't return error J. Bruce Fields
2007-11-15 21:57         ` [PATCH] nfsd: select CONFIG_PROC_FS in nfsv4 and gss server cases J. Bruce Fields
2007-11-15 21:57           ` [PATCH] nfsd: fail init on /proc/fs/nfs/exports creation failure J. Bruce Fields
2007-11-15 21:57             ` [PATCH] nfsd: move cache proc (un)registration to separate function J. Bruce Fields
2007-11-15 21:57               ` [PATCH] knfsd: allow cache_register to return error on failure J. Bruce Fields
2007-11-15 22:06           ` [PATCH] nfsd: select CONFIG_PROC_FS in nfsv4 and gss server cases Trond Myklebust
2007-11-15 22:20             ` J. Bruce Fields
2007-11-15 22:25               ` Trond Myklebust
2007-11-15 22:26                 ` J. Bruce Fields
2007-11-16 14:29       ` [PATCH] nfsd: fail module init on reply cache init failure Peter Staubach
2007-11-16 15:30         ` J. Bruce Fields [this message]
2007-11-16 15:38           ` Peter Staubach
2007-11-16 16:01             ` J. Bruce Fields
2007-11-16 16:22               ` Peter Staubach
2007-11-16 16:27                 ` J. Bruce Fields
2007-11-16  0:41 ` 8 patches cleaning up nfsd initialization Neil Brown
2007-11-16  3:19   ` J. Bruce Fields

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