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| author | Damien Le Moal <damien.lemoal@wdc.com> | 2017-10-10 22:54:23 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-10-17 05:54:32 +0200 |
| commit | 5eed92d173e0bf695c690d6b903441bde36879fb (patch) | |
| tree | 9b8db55f4b068c6f89223465a2dec711259f5646 /drivers/scsi/sd_zbc.c | |
| parent | scsi: sd_zbc: Fix comments and indentation (diff) | |
| download | linux-5eed92d173e0bf695c690d6b903441bde36879fb.tar.xz linux-5eed92d173e0bf695c690d6b903441bde36879fb.zip | |
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>
Diffstat (limited to 'drivers/scsi/sd_zbc.c')
| -rw-r--r-- | drivers/scsi/sd_zbc.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c index 023f705ae235..7dbaf920679e 100644 --- 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: |