nvme: introduce nvme_is_fabrics to check fabrics cmd
This patch introduces a nvme_is_fabrics() inline function to check
whether or not the given command structure is for fabrics.
Signed-off-by: Minwoo Im <minwoo.im.dev@gmail.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index 8028ada..7080923 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -1165,6 +1165,11 @@ struct nvme_command {
};
};
+static inline bool nvme_is_fabrics(struct nvme_command *cmd)
+{
+ return cmd->common.opcode == nvme_fabrics_command;
+}
+
struct nvme_error_slot {
__le64 error_count;
__le16 sqid;
@@ -1186,7 +1191,7 @@ static inline bool nvme_is_write(struct nvme_command *cmd)
*
* Why can't we simply have a Fabrics In and Fabrics out command?
*/
- if (unlikely(cmd->common.opcode == nvme_fabrics_command))
+ if (unlikely(nvme_is_fabrics(cmd)))
return cmd->fabrics.fctype & 1;
return cmd->common.opcode & 1;
}