tech-kern archive
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
Re: SSD "trim" support
On Tue, Mar 06, 2012 at 10:20:12AM +0100, Matthias Drochner wrote:
>
> macallan1888%gmail.com@localhost said:
> > do you know if there's an equivalent command for Compact Flash cards?
>
> Yes, I know. "erase sectors", part of the CFA command set. To use
> this, more changes to the wd@ata code are needed, eg use of
> "write without erase" instead of just "write".
Do any CF cards actually support 'erase', and do they use it to
reduce the active number of partitions for wear levelling.
David
--
David Laight: david%l8s.co.uk@localhost
Home |
Main Index |
Thread Index |
Old Index