Re: [PATCH 1/5] sd: configure ZBC devices

[Damien Le Moal <damien.lemoal@hgst.com>]

On 7/19/16 22:25, Hannes Reinecke wrote:
> For ZBC devices I/O must not cross zone boundaries, so setup
> the 'chunk_sectors' block queue setting to the zone size.
> This is only valid for REPORT ZONES SAME type 2 or 3;
> for other types the zone sizes might be different
> for individual zones. So issue a warning if the type is
> found to be different.
> Also the capacity might be different from the announced
> capacity, so adjust it as needed.
>
> Signed-off-by: Hannes Reinecke <hare@suse.com>
> ---
>  drivers/scsi/sd.c         | 120 ++++++++++++++++++++++++++++++++++++++++++++--
>  drivers/scsi/sd.h         |  12 +++++
>  include/scsi/scsi_proto.h |  17 +++++++
>  3 files changed, 144 insertions(+), 5 deletions(-)

Reviewed-by: Damien Le Moal <damien.lemoal@hgst.com>
Tested-by: Damien Le Moal <damien.lemoal@hgst.com>

-- 
Damien Le Moal, Ph.D.
Sr. Manager, System Software Group, HGST Research,
HGST, a Western Digital brand
Damien.LeMoal@hgst.com
(+81) 0466-98-3593 (ext. 513593)
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Kanagawa, 252-0888 Japan
www.hgst.com
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