FreeBSD's embedded agenda

Paul Allen nospam at ugcs.caltech.edu
Thu May 25 11:46:25 PDT 2006


>From Olivier Gautherot <olivier at gautherot.net>, Thu, May 25, 2006 at 08:09:58PM +0200:
> Don't forget that Flash doesn't suffer from mechanical delays so there
> is no harm in fragmenting the filesystem: this would be another feature.
This statement is false + you give the reason why only a few steps earlier:

> (what FFS doesn't naturally do). Also, there is a constraint regarding
> the changes allowed: on NAND flash, you can write a 0 on a bit but have
> to erase the full block to write a 1 back.
Erase cycles are often 1ms in duration.

                       Paul


More information about the freebsd-current mailing list