> diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c > index 51a9880db6ce..f09e4e0216b3 100644 > --- a/drivers/nvme/host/core.c > +++ b/drivers/nvme/host/core.c > @@ -1928,6 +1928,9 @@ static void nvme_update_disk_info(struct gendisk *disk, > capacity = 0; > } > > + if (ctrl->crypto_enable) > + blk_crypto_register(&ctrl->crypto_profile, disk->queue); > + > set_capacity_and_notify(disk, capacity); > > nvme_config_discard(disk, ns); > diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h > index 424c8a467a0c..591380f53744 100644 > --- a/drivers/nvme/host/nvme.h > +++ b/drivers/nvme/host/nvme.h > @@ -16,6 +16,7 @@ > #include <linux/rcupdate.h> > #include <linux/wait.h> > #include <linux/t10-pi.h> > +#include <linux/blk-crypto-profile.h> > > #include <trace/events/block.h> > > @@ -374,6 +375,9 @@ struct nvme_ctrl { > > enum nvme_ctrl_type cntrltype; > enum nvme_dctype dctype; > + > + bool crypto_enable; why not decalre crypto_profile a pointer, allocate that at init controller and NULL check against that pointer instead of using an extra variable crypto_enable ? e.g. :- if (ctrl->crypto_profile) blk_crypto_register(ctrl->crypto_profile, disk->queue); > + struct blk_crypto_profile crypto_profile; you are increasing the size of struct nvme_ctrl unconditionally, why not guard above with CONFIG_BLK_INLINE_ENCRYPTION ? -ck