Re: Editing-in-place of a large file

[Alan Cox]

> Sounds like a possibility for the kernel to me.  As with most things,

But you have it backwards - things are not "could go in the kernel" things
are "could avoid being in kernel"

> passed around as a target for the video device, a source for a userspace
> program, and a source for DMA to disk)  They also have some special
> flags:
>     fcentl(fd, F_SETFL, FDIRECT); /* enables direct disk access */
>     open(filename, O_DIRECT);     /* likewise */
> See this page for details:
>     http://reality.sgi.com/cpirazzi_engr/lg/uv/disk.html

Andrea has this working on 2.4 + patches