On Tue, 16 Jan 2001, Peter Samuelson wrote:
> [Ingo Molnar]
> > - probably the most radical solution is what i suggested, to
> > completely avoid the unique-mapping of file structures to an integer
> > range, and use the address of the file structure (and some cookies)
> > as an identification.
On Tue, 16 Jan 2001, Ingo Molnar wrote:
> struct lazy_filedesc {
> int fd;
> struct file *file;
> }
in fact "struct file" can (ab)used for this, no need for new structures or
new fields. Eg. file->f_flags contains the cached descriptor-information.
file->
On Tue, 16 Jan 2001, Andi Kleen wrote:
> > the 'allocate first free file descriptor number' rule for normal Unix
> > files?
> Not sure I follow. You mean dup2() ?
I'm sure you know this: when there are thousands of files open already,
much of the overhead of opening a new file comes from the ma
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