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Re: using lseek() on large files

To: James Rich <james@xxxxxxxxxxxxx>
Subject: Re: using lseek() on large files
From: Chris Wedgwood <cw@xxxxxxxx>
Date: Wed, 9 Apr 2003 00:47:52 -0700
Cc: XFS mailing list <linux-xfs@xxxxxxxxxxx>
In-reply-to: <Pine.LNX.4.50.0304071419210.30028-100000@xxxxxxxxxxxxxxxxxxxxxx>
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On Mon, Apr 07, 2003 at 02:21:04PM -0600, James Rich wrote:

> Is there a performance difference using lseek() and lseek64()?

In theory the system call might take a couple of cycles more... I
doubt you could measure the difference between them though.

> If there is, does that difference exist on 64 bit platforms?

No, for 64-bit platforms it won't make (this tiny theoretical)
difference (the ABI isn't doubled up).


  --cw


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