netdev - Re: [BUG KERNEL 2.6.20-rc1] ftp: get or put stops during file-transfer

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Date:	Fri, 5 Jan 2007 05:45:46 +0900
From:	Komuro <komurojun-mbn@...ty.com>
To:	YOSHIFUJI Hideaki / 吉藤英明 
	<yoshfuji@...ux-ipv6.org>
Cc:	bunk@...sta.de, jgarzik@...ox.com, viro@....linux.org.uk,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	davem@...emloft.net
Subject: Re: [BUG KERNEL 2.6.20-rc1] ftp: get or put stops during
 file-transfer

Hi,

I made a patch below.
With this patch, the ftp-transfer-stop problem does not happen.
Therefore, I think this is not a problem of vsftpd.

Mr.YOSHIFUJI san, why did you set TCPOLEN_TSTAMP_ALIGNED
to iov_len?



--- linux-2.6.20-rc3/net/ipv4/tcp_ipv4.c.orig	2007-01-03 11:50:04.000000000 +0900
+++ linux-2.6.20-rc3/net/ipv4/tcp_ipv4.c	2007-01-03 15:30:44.000000000 +0900
@@ -648,7 +648,7 @@ static void tcp_v4_send_ack(struct tcp_t
 				   TCPOLEN_TIMESTAMP);
 		rep.opt[1] = htonl(tcp_time_stamp);
 		rep.opt[2] = htonl(ts);
-		arg.iov[0].iov_len = TCPOLEN_TSTAMP_ALIGNED;
+		arg.iov[0].iov_len = sizeof(rep);
 	}
 
 	/* Swap the send and the receive. */


Best Regards
Komuro

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