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From: Christoph Hellwig <hch@infradead.org>
To: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Matthew Treinish <treinish@linux.vnet.ibm.com>,
	linux-nfs@vger.kernel.org
Subject: Re: [PATCH/RFC 0/7] Volatile Filehandle Client-side Support
Date: Sat, 12 Nov 2011 09:49:53 -0500	[thread overview]
Message-ID: <20111112144953.GA3740@infradead.org> (raw)
In-Reply-To: <1321056809.8733.2.camel@lade.trondhjem.org>

On Fri, Nov 11, 2011 at 07:13:29PM -0500, Trond Myklebust wrote:
> On Fri, 2011-11-11 at 18:04 -0500, Matthew Treinish wrote: 
> > This patch series implements client side support for volatile file handle
> > recovery (RFC 3530 section 4.2 and 4.3) with walk back using the dcache. To
> > test the client you either need a server that supports volatile file handles or 
> > you can hard code the server to output NFS4ERR_FHEXPIRED instead of
> > NFSERR_STALE. (See the last patch in the series)
> 
> WHY do we want to support this kind of "feature"? As you said, the RFC
> doesn't actually help in figuring out how this crap is supposed to work
> in practice, so why do we even consider starting to give a damn?

*nod*. Pretending we handle it seems fairly dangerous.  I'd much prefer
outright rejecting it.

  reply	other threads:[~2011-11-12 14:50 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-11 23:04 [PATCH/RFC 0/7] Volatile Filehandle Client-side Support Matthew Treinish
2011-11-11 23:04 ` [PATCH/RFC 1/7] New mount option for volatile filehandle recovery Matthew Treinish
2011-11-12  0:19   ` Trond Myklebust
2011-11-12  3:35     ` Malahal Naineni
2011-11-11 23:04 ` [PATCH/RFC 2/7] Added support for FH_EXPIRE_TYPE attribute Matthew Treinish
2011-11-11 23:04 ` [PATCH/RFC 3/7] Add VFS objects from nfs4_proc calls into nfs4_exception Matthew Treinish
2011-11-11 23:04 ` [PATCH/RFC 4/7] Save root file handle in nfs_server Matthew Treinish
2011-11-11 23:04 ` [PATCH/RFC 5/7] Added VFH FHEXPIRED recovery functions Matthew Treinish
2011-11-12  0:27   ` Trond Myklebust
2011-11-12  3:45     ` Malahal Naineni
2011-11-12 17:16       ` Trond Myklebust
2011-11-14 21:12         ` Matthew Treinish
2011-11-11 23:04 ` [PATCH/RFC 6/7] Perform recovery on both inodes for rename Matthew Treinish
2011-11-11 23:04 ` [PATCH/RFC 7/7] Added error handling for NFS4ERR_FHEXPIRED Matthew Treinish
2011-11-11 23:04 ` [PATCH/RFC] Hard code testing on server <ONLY FOR TESTING> Matthew Treinish
2011-11-12  0:13 ` [PATCH/RFC 0/7] Volatile Filehandle Client-side Support Trond Myklebust
2011-11-12 14:49   ` Christoph Hellwig [this message]
2011-11-13  3:54     ` NeilBrown
2011-11-13 13:45       ` Tigran Mkrtchyan
2011-11-13 16:36         ` J. Bruce Fields
2011-11-13 21:07           ` NeilBrown
2011-11-14  0:42             ` J. Bruce Fields
2011-11-14  1:26               ` NeilBrown
2011-11-14 17:27             ` Trond Myklebust
2011-11-15  6:33             ` Trond Myklebust
2012-01-13 17:09               ` Malahal Naineni
2012-01-14  1:38                 ` J. Bruce Fields
2012-01-16 16:52                   ` Malahal Naineni
2012-01-17 15:18                     ` J. Bruce Fields
2012-01-17 17:22                       ` Malahal Naineni
2012-01-17 18:47                         ` J. Bruce Fields
2012-01-17 19:43                           ` Malahal Naineni
2011-11-14 16:29         ` Trond Myklebust
2011-11-13 16:42       ` J. Bruce Fields
2011-11-13 16:45         ` J. Bruce Fields
2011-11-13 18:25           ` Matthew Treinish
2011-11-13 18:06       ` Matthew Treinish
2011-11-14  9:09         ` Tigran Mkrtchyan
2011-11-14 21:47           ` Matthew Treinish
2011-11-15  6:49         ` Trond Myklebust
2011-11-15 22:38           ` Matthew Treinish

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