Subject: splice blocks indefinitely when len > 64k?
From: Daniel Drake <ddrake@brontes3d.com>
To: axboe@suse.de
Cc: linux-kernel@vger.kernel.org
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Date: Mon, 30 Oct 2006 11:39:50 -0500
Message-Id: <1162226390.7280.18.camel@systems03.lan.brontes3d.com>
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Sender: linux-kernel-owner@vger.kernel.org
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Hi,

I'm experimenting with splice and have run into some unusual behaviour.

I am using the utilities in git://brick.kernel.dk/data/git/splice.git

In splice.h, when changing SPLICE_SIZE from:

#define SPLICE_SIZE (64*1024)

to

#define SPLICE_SIZE ((64*1024)+1)

splice-cp hangs indefinitely when copying files sized 65537 bytes or
more. It hangs on the first splice() call.

Is this a bug? I'd like to be able to copy much more than 64kb on a
single splice call.

Thanks!
Daniel


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