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Date: Mon, 23 Apr 2007 14:59:09 -0700 (PDT)
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To: voron@amhost.net
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Subject: Re: sendfile to nonblocking socket
From: David Miller <davem@davemloft.net>
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From: voron <voron@amhost.net>
Date: Tue, 24 Apr 2007 00:13:27 +0300

> As I see, nonblocking mode is enabled - sendfile sends less than asked.  

The socket is marked as non-blocking, but the disk I/O is not.

It's blocking on the disk I/O not the socket part of the operation.