Hello. On 10-11-2013 1:03, Phillip Susi wrote:
Don't bother forcing disks to spin up on resume, as they will do so automatically when accessed, and forcing them to spin up slows down the resume. Add a second bit to the manage_start_stop flag to restore the previous behavior. --- drivers/scsi/sd.c | 6 +++--- include/scsi/scsi_device.h | 2 +- 2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index e62d17d..3143311 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c
[...]
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h index d65fbec..1c46d2d 100644 --- a/include/scsi/scsi_device.h +++ b/include/scsi/scsi_device.h @@ -152,7 +152,7 @@ struct scsi_device { unsigned use_192_bytes_for_3f:1; /* ask for 192 bytes from page 0x3f */ unsigned no_start_on_add:1; /* do not issue start on add */ unsigned allow_restart:1; /* issue START_UNIT in error handler */ - unsigned manage_start_stop:1; /* Let HLD (sd) manage start/stop */ + unsigned manage_start_stop:2; /* Let HLD (sd) manage start/stop */
I think you should better document this 2-bit field, or better still, make it 2 1-bit fields.
WBR, Sergei -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html