Subject: Re: May 14 scsi changes: driver support needed?
To: Manuel Bouyer <>
From: Jason R Thorpe <>
List: current-users
Date: 05/21/2001 08:12:26
On Mon, May 21, 2001 at 03:40:58PM +0200, Manuel Bouyer wrote:

 > Hum, this means we need to add __attribute__((packed)) to all structs defining
 > SCSI commands or results ? Looks strange to me, as this worked before without
 > this ... Or maybe we need them only for scsipi_mode_sense and
 > scsipi_mode_select, as they're the only ones with union in the struct ?

In fact, a union of 2 structs.  Structres have minimum alignments on
some architectures, regardless of what they have inside them.

We should add __packed__ to all of SCSI "wire protocol" structures,

        -- Jason R. Thorpe <>