Re: [PATCH] sched.h: increment TASK_COMM_LEN to 20 bytes

[Luben Tuikov <ltuikov@yahoo.com>]

--- Andrew Morton <akpm@osdl.org> wrote:
> Luben Tuikov <ltuikov@yahoo.com> wrote:
> >
> > > We do occasionally hit task_struct.comm[] truncation, when people use
> > > "too-long-a-name%d" for their kernel thread names.  But we seem to manage.
> > 
> > It would be especially helpful if you want to name a task thread
> > the NAA IEEE Registered name format (16 chars, globally unique), for things
> > like FC, SAS, etc.  This way you can identify the task thread with
> > the device bearing the NAA IEEE name.
> > 
> > Currently just last character is cut off, since TASK_COMM_LEN is 15+1.
> > 
> > I think incrementing it would be a good thing, plus other things
> > may want to represent 8 bytes as a character array to be the name
> > of a task thread.
> 
> OK, that's a reason.  Being able to map a kernel thread onto a particular
> device is useful.

OK, great.

   Luben