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From: Boaz Harrosh <bharrosh@panasas.com>
To: Peng Tao <bergwolf@gmail.com>
Cc: <tao.peng@emc.com>, <Trond.Myklebust@netapp.com>,
	<benny@tonian.com>, <linux-nfs@vger.kernel.org>
Subject: Re: [PATCH 1/5] pNFS: recoalesce when ld write pagelist fails
Date: Mon, 22 Aug 2011 16:28:03 -0700	[thread overview]
Message-ID: <4E52E603.3040107@panasas.com> (raw)
In-Reply-To: <CA+a=Yy5jApbUqy+ESZxczZ3N+ixg8ixK9iAe0DWqSZavap18xQ@mail.gmail.com>

On 08/17/2011 02:44 AM, Peng Tao wrote:
<snip>

> The problem w/ directly calling nfs_initiate_write() is that we may
> have pagelist length larger than server's rsize/wsize. So if client
> sends all the pages in single READ/WRITE rpc, MDS will reject the
> READ/WRITE operation. Therefore we need to recoalesce them before
> re-sending to MDS.
> 

Rrrr, you are absolutely right. I needed a smack on the head, to
get back on track.

<snip>

Thanks
Boaz

      reply	other threads:[~2011-08-22 23:29 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-07  2:53 [PATCH 1/5] pNFS: recoalesce when ld write pagelist fails Peng Tao
2011-08-07  2:53 ` [PATCH 2/5] pNFS: recoalesce when ld read " Peng Tao
2011-08-10 17:55   ` Boaz Harrosh
2011-08-11  0:01     ` Peng Tao
2011-08-07  2:53 ` [PATCH 3/5] pnfs: introduce pnfs private workqueue Peng Tao
2011-08-10 18:12   ` Boaz Harrosh
2011-08-10 18:21     ` Boaz Harrosh
2011-08-11  0:00       ` Peng Tao
2011-08-07  2:53 ` [PATCH 4/5] SUNRPC/NFS: make rpc pipe upcall generic Peng Tao
2011-08-10 15:59   ` Jim Rees
2011-08-07  2:53 ` [PATCH 5/5] pnfs: make _set_lo_fail generic Peng Tao
2011-08-10 17:52 ` [PATCH 1/5] pNFS: recoalesce when ld write pagelist fails Boaz Harrosh
2011-08-11  0:03   ` Peng Tao
2011-08-11 18:53     ` Boaz Harrosh
2011-08-11 23:53       ` Peng Tao
2011-08-12  0:10         ` Boaz Harrosh
2011-08-12  2:07           ` tao.peng
2011-08-16  7:20           ` tao.peng
2011-08-16 20:19             ` Boaz Harrosh
2011-08-17  9:44               ` Peng Tao
2011-08-22 23:28                 ` Boaz Harrosh [this message]

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