linux-kernel - Re: Why is the 'loff_t *offset' parameter in the file

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Message-ID: <BANLkTimo32+QbU9orRNS8StCmRsF_9MVGQ@mail.gmail.com>
Date:	Tue, 26 Apr 2011 15:55:07 +0300
From:	Amit Ben Shahar <amit.bens@...il.com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Why is the 'loff_t *offset' parameter in the file_operations'
 read function a pointer?

> The read function must update the offset independent of the return value.
> See simple_read_from_buffer() as an example.

Thank you - that helped greatly and solved my problem.
Amit.
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