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From: Trond Myklebust <trond.myklebust@fys.uio.no>
To: Benny Halevy <bhalevy@panasas.com>
Cc: linux-nfs@vger.kernel.org, nfsv4@linux-nfs.org
Subject: Re: [PATCH 0/2 v4] nfs: return nfs4 compound header status on op header decoding error
Date: Thu, 17 Jul 2008 08:09:02 -0400	[thread overview]
Message-ID: <1216296542.7453.19.camel@localhost> (raw)
In-Reply-To: <487DF62C.80501@panasas.com>

On Wed, 2008-07-16 at 16:22 +0300, Benny Halevy wrote:
> On Jul. 16, 2008, 15:57 +0300, Trond Myklebust <trond.myklebust@fys.uio.no> wrote:
> > Why do we need to handle OP_ILLEGAL in the first place? This is the
> > client; it isn't supposed to send illegal operations...
> 
> Right, but it helps in the development process when dealing with
> a broken version of the server or the client to pass a less
> generic error (-EOPNOTSUPP) up the stack rather than -EIO.

NFS4ERR_OP_ILLEGAL literally means "this operation isn't even listed in
the 4.0/4.1 RFC". That's out in EYOUUTTERLYINSANECLIENT territory, and
so the current mapping to EOPNOTSUPP is just wrong.

NFS4ERR_NOTSUPP is the correct return value if a server doesn't (yet)
support an operation.

  reply	other threads:[~2008-07-17 12:09 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-31 14:35 [PATCH 0/2] nfsv4 compound status Benny Halevy
2008-03-31 14:39 ` [PATCH 1/2] nfs: return negative error value from nfs{,4}_stat_to_errno Benny Halevy
2008-03-31 14:48 ` [PATCH 2/2] nfs: use compound hdr.status to override op status Benny Halevy
2008-03-31 22:25   ` Trond Myklebust
     [not found]     ` <1207002349.15341.15.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2008-04-01  9:37       ` Benny Halevy
2008-04-01  9:41         ` [PATCH 2/2 v1] " Benny Halevy
2008-05-09 22:21           ` [PATCH 1/1 v2] " Benny Halevy
2008-05-09 23:32           ` Benny Halevy
2008-05-10  6:11             ` Benny Halevy
2008-05-09 23:38           ` [PATCH " Benny Halevy
2008-05-10 17:24             ` Trond Myklebust
2008-05-11 23:21               ` [PATCH v3] " Benny Halevy
2008-05-11 23:26                 ` Trond Myklebust
2008-05-12  1:54                   ` Benny Halevy
2008-07-03 17:49                 ` [PATCH 0/2 v4] nfs: return nfs4 compound header status on op header decoding error Benny Halevy
2008-07-03 17:52                   ` [PATCH 1/2] " Benny Halevy
2008-07-03 18:42                   ` [PATCH 2/2] nfs: remove incorrect usage of nfs4 compound response hdr.status Benny Halevy
2008-07-15 21:57                   ` [PATCH 0/2 v4] nfs: return nfs4 compound header status on op header decoding error Trond Myklebust
2008-07-16  8:21                     ` Benny Halevy
2008-07-16 12:57                       ` Trond Myklebust
2008-07-16 13:22                         ` Benny Halevy
2008-07-17 12:09                           ` Trond Myklebust [this message]
2008-07-17 13:20                             ` Benny Halevy
2008-07-21 16:59                     ` [PATCH] nfs: return compound hdr.status when there are no op replies Benny Halevy

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