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From: Eric Dumazet <eric.dumazet@gmail.com>
To: jongman.heo@samsung.com
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"edumazet@google.com" <edumazet@google.com>,
	Shreyas Bhatewara <sbhatewara@vmware.com>,
	"VMware, Inc." <pv-drivers@vmware.com>
Subject: Re: Re: 3.7-rc2 regression : file copied to CIFS-mounted directory corrupted
Date: Tue, 23 Oct 2012 11:05:52 +0200	[thread overview]
Message-ID: <1350983152.8609.1635.camel@edumazet-glaptop> (raw)
In-Reply-To: <33091139.64321350980240110.JavaMail.weblogic@epml04>

On Tue, 2012-10-23 at 08:17 +0000, Jongman Heo wrote:

> 
> FYI, vmxnet3 driver is used for ethernet.

Yes, this driver needs some changes

#define VMXNET3_MAX_TX_BUF_SIZE  (1 << 14)

Thats 16KB

As we can now provide up to 32KB fragments we broke something.

vmxnet3_tq_xmit() needs to split large frags into 2 parts.
(And without going to skb_linearize() of course !)

Any volunteer ?

Thanks !

  reply	other threads:[~2012-10-23  9:05 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-23  8:17 Re: 3.7-rc2 regression : file copied to CIFS-mounted directory corrupted Jongman Heo
2012-10-23  9:05 ` Eric Dumazet [this message]
2012-10-23  9:20   ` Shreyas Bhatewara
2012-10-23 10:02     ` [Pv-drivers] " Shreyas Bhatewara
2012-10-23 13:50       ` Eric Dumazet
2012-10-23 19:39         ` Eric Dumazet
2012-10-29 17:30           ` [PATCH] vmxnet3: must split too big fragments Eric Dumazet
2012-10-29 17:52             ` [Pv-drivers] " Bhavesh Davda
2012-10-29 18:13               ` Eric Dumazet
2012-10-29 18:17             ` Shreyas Bhatewara
2012-10-29 18:19               ` Shreyas Bhatewara
2012-11-03  1:58             ` David Miller

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