scsi: sd_zbc: Rearrange code

Rearrange sd_zbc_setup() to include use_16_for_rw and use_10_for_rw
assignments and move the calculation of sdkp->zone_shift together with
the assignment of the verified zone_blocks value in
sd_zbc_check_zone_size().

No functional change is introduced by this patch.

Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <Bart.VanAssche@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c
index 023f705..7dbaf92 100644 (file)
--- a/drivers/scsi/sd_zbc.c
+++ b/drivers/scsi/sd_zbc.c
@@ -584,6 +584,7 @@ out:
        }
 
        sdkp->zone_blocks = zone_blocks;
+       sdkp->zone_shift = ilog2(zone_blocks);
 
        return 0;
 }
@@ -591,10 +592,13 @@ out:
 static int sd_zbc_setup(struct scsi_disk *sdkp)
 {
 
+       /* READ16/WRITE16 is mandatory for ZBC disks */
+       sdkp->device->use_16_for_rw = 1;
+       sdkp->device->use_10_for_rw = 0;
+
        /* chunk_sectors indicates the zone size */
        blk_queue_chunk_sectors(sdkp->disk->queue,
                        logical_to_sectors(sdkp->device, sdkp->zone_blocks));
-       sdkp->zone_shift = ilog2(sdkp->zone_blocks);
        sdkp->nr_zones = sdkp->capacity >> sdkp->zone_shift;
        if (sdkp->capacity & (sdkp->zone_blocks - 1))
                sdkp->nr_zones++;
@@ -657,10 +661,6 @@ int sd_zbc_read_zones(struct scsi_disk *sdkp, unsigned char *buf)
        if (ret)
                goto err;
 
-       /* READ16/WRITE16 is mandatory for ZBC disks */
-       sdkp->device->use_16_for_rw = 1;
-       sdkp->device->use_10_for_rw = 0;
-
        return 0;
 
 err: