So that we can have more flags for transport-specific behavior.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <keith.busch@intel.com>
        }
        memcpy(ctrl->psd, id->psd, sizeof(ctrl->psd));
 
-       if (ctrl->ops->is_fabrics) {
+       if (ctrl->ops->flags & NVME_F_FABRICS) {
                ctrl->icdoff = le16_to_cpu(id->icdoff);
                ctrl->ioccsz = le32_to_cpu(id->ioccsz);
                ctrl->iorcsz = le32_to_cpu(id->iorcsz);
 
 static const struct nvme_ctrl_ops nvme_fc_ctrl_ops = {
        .name                   = "fc",
        .module                 = THIS_MODULE,
-       .is_fabrics             = true,
+       .flags                  = NVME_F_FABRICS,
        .reg_read32             = nvmf_reg_read32,
        .reg_read64             = nvmf_reg_read64,
        .reg_write32            = nvmf_reg_write32,
 
 struct nvme_ctrl_ops {
        const char *name;
        struct module *module;
-       bool is_fabrics;
+       unsigned int flags;
+#define NVME_F_FABRICS                 (1 << 0)
        int (*reg_read32)(struct nvme_ctrl *ctrl, u32 off, u32 *val);
        int (*reg_write32)(struct nvme_ctrl *ctrl, u32 off, u32 val);
        int (*reg_read64)(struct nvme_ctrl *ctrl, u32 off, u64 *val);
 
 static const struct nvme_ctrl_ops nvme_rdma_ctrl_ops = {
        .name                   = "rdma",
        .module                 = THIS_MODULE,
-       .is_fabrics             = true,
+       .flags                  = NVME_F_FABRICS,
        .reg_read32             = nvmf_reg_read32,
        .reg_read64             = nvmf_reg_read64,
        .reg_write32            = nvmf_reg_write32,
 
 static const struct nvme_ctrl_ops nvme_loop_ctrl_ops = {
        .name                   = "loop",
        .module                 = THIS_MODULE,
-       .is_fabrics             = true,
+       .flags                  = NVME_F_FABRICS,
        .reg_read32             = nvmf_reg_read32,
        .reg_read64             = nvmf_reg_read64,
        .reg_write32            = nvmf_reg_write32,