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SubjectRe: Suggested changes to the VFS

On Tue, 24 Mar 1998, Itai Nahshon wrote:
> The release function should IMHO also be an inode operation
> and not a file operation.

Both open and release need the "struct file" for flags handling etc.

> Thomas Sailer has shown that it is possible to keep a file
> memory mapped after it has been closed. This causes some
> security problems mainly with the sound driver.

This is no longer true as of 2.1.88 or so..

> There is no safe and easy way to know when is the
> REALLY-LAST munmap on an inode from a device-driver's side.

There is now, in later kernels.


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