Merge upstream kernel changes into 'C/H/S support' branch of libata.

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c
index 8b065ef0e39a..5367c10e4db8 100644
--- a/drivers/scsi/libata-scsi.c
+++ b/drivers/scsi/libata-scsi.c
@@ -347,7 +347,10 @@ int ata_scsi_slave_config(struct scsi_device *sdev)
                  */
                 if ((dev->flags & ATA_DFLAG_LBA48) &&
                     ((dev->flags & ATA_DFLAG_LOCK_SECTORS) == 0)) {
-                        sdev->host->max_sectors = 2048;
+                        /*
+                         * do not overwrite sdev->host->max_sectors, since
+                         * other drives on this host may not support LBA48
+                         */
                         blk_queue_max_sectors(sdev->request_queue, 2048);
                 }
         }
@@ -1008,7 +1011,7 @@ unsigned int ata_scsiop_inq_83(struct ata_scsi_args *args, u8 *rbuf,
 }
 
 /**
- *      ata_scsiop_noop -
+ *      ata_scsiop_noop - Command handler that simply returns success.
  *      @args: device IDENTIFY data / SCSI command of interest.
  *      @rbuf: Response buffer, to which simulated SCSI cmd output is sent.
  *      @buflen: Response buffer length.