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-rw-r--r--drivers/nvme/host/nvme.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 9b71fa8c75e4..a402a0ebf471 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -59,6 +59,12 @@ enum nvme_quirks {
* correctly.
*/
NVME_QUIRK_IDENTIFY_CNS = (1 << 1),
+
+ /*
+ * The controller deterministically returns O's on reads to discarded
+ * logical blocks.
+ */
+ NVME_QUIRK_DISCARD_ZEROES = (1 << 2),
};
struct nvme_ctrl {