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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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