tech-kern archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]


On Sun, Nov 15, 2009 at 1:21 PM, David Laight <> wrote:

> 1) You need a sleep lock to only allow one thread into the code.

Hm, so we need that for BYFILE but not for BYPID?

> 2) If the 'seq' wraps, you need to do a full scan to set the
>   marker on all 'struct file' back to zero.

Why? Once the scan's done, the seq value in struct file can be discarded...

> 3) Any scan of the process table needs to worry about the consequences
>   of the table growing.

Same question as in (1).



Home | Main Index | Thread Index | Old Index