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:
> 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 Laight:

Home | Main Index | Thread Index | Old Index