Subject: Re: test of new powerdown facility
To: Peter Wieland <>
From: Manuel Bouyer <>
List: tech-kern
Date: 06/12/1998 10:45:46
On Jun 11, Peter Wieland wrote
> Of course that requires crawling through the file systems and
> deciding which i/o's have to be on the disk immediately (metadata) and which
> can go on the disk later (user data depending on what the client wants) and
> requires a way for the fs to communicate this need to the disk drivers on an
> i/o by i/o basis.

Would'nt SCSI Tagged Command Queuing benefit from this too (I seem to remember
that the disk can reorder the commands if he wants) ?

Manuel Bouyer, LIP6, Universite Paris VI.