On Wed, 2019-03-27 at 09:46 -0700, Bart Van Assche wrote:
> On Wed, 2019-03-27 at 12:11 -0400, Martin K. Petersen wrote:
> > Commit a83da8a4509d ("scsi: sd: Optimal I/O size should be a
> > multiple
> > of physical block size") split one conditional into several
> > separate
> > statements in an effort to provide more accurate warning messages
> > when
> > a device reports a nonsensical value. However, this reorganization
> > accidentally dropped the precondition of the reported value being
> > larger than zero. This lead to a warning getting emitted on devices
> > that do not report an optimal I/O size at all.
> >
> > Remain silent if a device does not report an optimal I/O size.
> >
> > Fixes: a83da8a4509d ("scsi: sd: Optimal I/O size should be a
> > multiple of physical block size")
> > Reported-by: Hussam Al-Tayeb <ht990...@gmx.com>
> > Cc: Randy Dunlap <rdun...@infradead.org>
> > Cc: <sta...@vger.kernel.org>
> > Signed-off-by: Martin K. Petersen <martin.peter...@oracle.com>
>
> Reviewed-by: Bart Van Assche <bvanass...@acm.org>
>
>I tested two SATA disks and three usb flash drives on two machines. The warnings are gone. Thank you very much for the patch.
