Messages in this thread | | | Date | Tue, 24 Mar 1998 22:23:45 +1100 | From | Richard Gooch <> | Subject | Re: Available for testing: /dev/pts filesystem |
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H. Peter Anvin writes: > Since C. Scott Ananian added support for the SysV/Unix98 /dev/ptmx > multiplex pty master device, I thought I might as well fix the other > side of the equation. At:
Well, the other side of the equation has already been fixed. It's called devfs.
> As most of you are quite aware of, I usually don't like putting things > in the kernel. In particular, I believe devfs to be a bad idea.
Yes, I know you aren't one of the faithful ;-) However, I contend that there are a number of problems that devfs *solves*. And it solves them cleanly and efficiently with minimal fuss and minimal kernel bloat. I really think you should read the documentation I wrote about it which explains all the reasoning behind it (and some of the alternatives) before you criticise it.
> However, in this particular case I have been persuaded to agree that > pty's are sufficiently special -- they really act more like pipes or > sockets than device nodes -- that a virtual filesystem is probably the > right thing to do. I have tried to keep the memory requirements of > this filesystem as small as possible.
As have I with devfs. I'll have a look at your VFS mods and see if I can make use of it in devfs.
Regards,
Richard....
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