[PATCH V4 8/9] nvmet: add zns bdev config support

Chaitanya Kulkarni chaitanya.kulkarni at wdc.com
Wed Dec 2 01:22:26 EST 2020


For zbd based bdev backend we need to override the ns->blksize_shift
with the physical block size instead of using the logical block size
so that SMR drives will not result in an error.

Update the nvmet_bdev_ns_enable() to reflect that.

Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni at wdc.com>
---
 drivers/nvme/target/io-cmd-bdev.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/nvme/target/io-cmd-bdev.c b/drivers/nvme/target/io-cmd-bdev.c
index 125dde3f410e..e1f6d59dd341 100644
--- a/drivers/nvme/target/io-cmd-bdev.c
+++ b/drivers/nvme/target/io-cmd-bdev.c
@@ -86,6 +86,9 @@ int nvmet_bdev_ns_enable(struct nvmet_ns *ns)
 	if (IS_ENABLED(CONFIG_BLK_DEV_INTEGRITY_T10))
 		nvmet_bdev_ns_enable_integrity(ns);
 
+	if (bdev_is_zoned(ns->bdev) && !nvmet_bdev_zns_enable(ns))
+		return -EINVAL;
+
 	return 0;
 }
 
-- 
2.22.1




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