[PATCH 06/16] nvmet: use blk_queue_zone_no()

Pankaj Raghav
2022-04-27T16:04:18Z

From: Luis Chamberlain <mcgrof@kernel.org>

Instead of open coding the number of zones given a sector, use the helper
blk_queue_zone_no(). This let's us make modifications to the math if
needed in one place and adds now support for npo2 zone devices.

Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Pankaj Raghav <p.raghav@samsung.com>
---
drivers/nvme/target/zns.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/nvme/target/zns.c b/drivers/nvme/target/zns.c
index e34718b09550..e41b6a6ef048 100644
--- a/drivers/nvme/target/zns.c
+++ b/drivers/nvme/target/zns.c
@@ -243,7 +243,7 @@ static unsigned long nvmet_req_nr_zones_from_slba(struct nvmet_req *req)
unsigned int sect = nvmet_lba_to_sect(req->ns, req->cmd->zmr.slba);

return blkdev_nr_zones(req->ns->bdev->bd_disk) -
- (sect >> ilog2(bdev_zone_sectors(req->ns->bdev)));
+ bdev_zone_no(req->ns->bdev, sect);
}

static unsigned long get_nr_zones_from_buf(struct nvmet_req *req, u32 bufsize)
--
2.25.1