Accessing file from drivers (fwd)

[Stefano Coluccini]

> Hi Wolfgang,
>
>      The exact problem that we're trying to solve, is to program
> an FPGA with a hex file
> which is in our file system.  But the problem is general is to
> have a way to write  a
> system  call  say 'sys_copy'  which will copy one file to
> another.  An user-mode
> application would read from one file and write back to another,
> which would result in
> copying  the data from the file driver ( kernel space ) to the
> user-space,  and again
> back to the kernel space.  We were curious as to whether a way
> existed by which we can
> do the read and write, sitting in the kernel space itself.

I don't know if I well understand the problem, but it seems to me that you
can use the mmap system call ...


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