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From: Boaz Harrosh <bharrosh@panasas.com>
To: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Jim Rees <rees@umich.edu>, <linux-nfs@vger.kernel.org>,
	peter honeyman <honey@citi.umich.edu>
Subject: Re: [PATCH v3 06/25] pnfs: cleanup_layoutcommit
Date: Wed, 27 Jul 2011 13:20:03 -0700	[thread overview]
Message-ID: <4E3072F3.7090802@panasas.com> (raw)
In-Reply-To: <1311796389.25645.20.camel@lade.trondhjem.org>

On 07/27/2011 12:53 PM, Trond Myklebust wrote:
>> diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
>> index bddd8b9..f271425 100644
>> --- a/fs/nfs/pnfs.h
>> +++ b/fs/nfs/pnfs.h
>> @@ -113,6 +113,9 @@ struct pnfs_layoutdriver_type {
>>  				     struct xdr_stream *xdr,
>>  				     const struct nfs4_layoutreturn_args *args);
>>  
>> +	void (*cleanup_layoutcommit) (struct pnfs_layout_hdr *layoutid,
>> +				      struct nfs4_layoutcommit_data *data);
>> +
>>  	void (*encode_layoutcommit) (struct pnfs_layout_hdr *layoutid,
>>  				     struct xdr_stream *xdr,
>>  				     const struct nfs4_layoutcommit_args *args);
> 
> This really needs to go. We should have
> 
>       int (*layoutcommit)()...
> 
> instead of 'encode' and 'cleanup' methods...
> 

Theoretically it is not possible because the blocks-layout protocol mandates
different handling depending on the "error" response from the Server which
will be received on RPC done.

Though, Last I was diving into this code, The proper handling was missing.
(It was a while back though things might have changed)

Boaz


  reply	other threads:[~2011-07-27 20:20 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-27 18:40 [PATCH v3 00/25] add block layout driver to pnfs client Jim Rees
2011-07-27 18:40 ` [PATCH v3 01/25] pnfs: GETDEVICELIST Jim Rees
2011-07-27 19:33   ` Trond Myklebust
2011-07-28 18:27     ` Benny Halevy
2011-07-27 18:40 ` [PATCH v3 02/25] pnfs: add set-clear layoutdriver interface Jim Rees
2011-07-27 19:36   ` Trond Myklebust
2011-07-27 18:40 ` [PATCH v3 03/25] NFS41: Let layoutcommit handle multiple segments Jim Rees
2011-07-27 20:05   ` Boaz Harrosh
2011-07-27 20:22     ` Trond Myklebust
2011-07-27 20:33       ` Boaz Harrosh
2011-07-27 20:58         ` Jim Rees
2011-07-27 21:09           ` Boaz Harrosh
2011-07-27 23:40             ` Jim Rees
2011-07-28  0:12               ` Boaz Harrosh
2011-07-28  2:02                 ` tao.peng
2011-07-28  3:19                 ` Jim Rees
2011-07-27 18:40 ` [PATCH v3 04/25] NFS41: save layoutcommit cred after first successful layoutget Jim Rees
2011-07-27 19:47   ` Trond Myklebust
2011-07-28  3:29     ` tao.peng
2011-07-27 18:40 ` [PATCH v3 05/25] pnfs: ask for layout_blksize and save it in nfs_server Jim Rees
2011-07-27 18:40 ` [PATCH v3 06/25] pnfs: cleanup_layoutcommit Jim Rees
2011-07-27 19:53   ` Trond Myklebust
2011-07-27 20:20     ` Boaz Harrosh [this message]
2011-07-27 20:25       ` Trond Myklebust
2011-07-27 20:42         ` Boaz Harrosh
2011-07-27 20:59           ` Trond Myklebust
2011-07-27 21:33             ` Boaz Harrosh
2011-07-27 18:40 ` [PATCH v3 07/25] pnfsblock: add blocklayout Kconfig option, Makefile, and stubs Jim Rees
2011-07-27 18:40 ` [PATCH v3 08/25] pnfsblock: basic extent code Jim Rees
2011-07-27 18:40 ` [PATCH v3 09/25] pnfsblock: add device operations Jim Rees
2011-07-27 18:40 ` [PATCH v3 10/25] pnfsblock: remove " Jim Rees
2011-07-27 18:40 ` [PATCH v3 11/25] pnfsblock: lseg alloc and free Jim Rees
2011-07-27 18:40 ` [PATCH v3 12/25] pnfsblock: merge extents Jim Rees
2011-07-27 18:40 ` [PATCH v3 13/25] pnfsblock: call and parse getdevicelist Jim Rees
2011-07-27 18:40 ` [PATCH v3 14/25] pnfsblock: xdr decode pnfs_block_layout4 Jim Rees
2011-07-27 18:40 ` [PATCH v3 15/25] pnfsblock: bl_find_get_extent Jim Rees
2011-07-27 18:40 ` [PATCH v3 16/25] pnfsblock: add extent manipulation functions Jim Rees
2011-07-27 18:40 ` [PATCH v3 17/25] pnfsblock: merge rw extents Jim Rees
2011-07-27 18:40 ` [PATCH v3 18/25] pnfsblock: encode_layoutcommit Jim Rees
2011-07-27 18:40 ` [PATCH v3 19/25] pnfsblock: cleanup_layoutcommit Jim Rees
2011-07-27 18:40 ` [PATCH v3 20/25] pnfsblock: bl_read_pagelist Jim Rees
2011-07-27 20:09   ` Trond Myklebust
2011-07-27 18:40 ` [PATCH v3 21/25] pnfsblock: bl_write_pagelist Jim Rees
2011-07-27 20:11   ` Trond Myklebust
2011-07-27 18:40 ` [PATCH v3 22/25] pnfsblock: note written INVAL areas for layoutcommit Jim Rees
2011-07-27 20:13   ` Trond Myklebust
2011-07-28  2:30     ` tao.peng
2011-07-27 18:40 ` [PATCH v3 23/25] pnfsblock: use pageio_ops api Jim Rees
2011-07-27 20:15   ` Trond Myklebust
2011-07-28  2:27     ` tao.peng
2011-07-28  3:52       ` Trond Myklebust
2011-07-28  4:10         ` tao.peng
2011-07-27 18:40 ` [PATCH v3 24/25] pnfsblock: write_pagelist handle zero invalid extents Jim Rees
2011-07-27 18:40 ` [PATCH v3 25/25] NFS41: Drop lseg ref before fallthru to MDS Jim Rees
2011-07-27 20:16   ` Trond Myklebust

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