Re: fcntl(2) and other file systems like XFS

From: Stephen C. Tweedie (
Date: Mon Mar 20 2000 - 14:06:43 EST

On Mon, Mar 20, 2000 at 12:44:45PM -0600, Jim Mostek wrote:
> The issues with the ioctl vs fcntls:
> 1. programs that run using fcntl() on IRIX or other unixes needs
> to change to use ioctls when ported to Linux. We can build a compatability
> library that intercepts fcntl and switches to ioctl or fcntl.

OK, that sort of thing is easy with ELF if you really want to do it in
user space.
> 2. there is no central repository for all the ioctls so there may
> be collisions between ioctls and fcntls.



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