diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 4737591c1143..f19f6c7c5b12 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -89,7 +89,6 @@ static dev_t nvme_chr_devt; static struct class *nvme_class; static struct class *nvme_subsys_class; -static int nvme_validate_ns(struct nvme_ns *ns); static void nvme_put_subsystem(struct nvme_subsystem *subsys); static void nvme_remove_invalid_namespaces(struct nvme_ctrl *ctrl, unsigned nsid); @@ -1009,7 +1008,7 @@ static u32 nvme_passthru_start(struct nvme_ctrl *ctrl, struct nvme_ns *ns, * For simplicity, IO to all namespaces is quiesced even if the command * effects say only one namespace is affected. */ - if (effects & (NVME_CMD_EFFECTS_LBCC | NVME_CMD_EFFECTS_CSE_MASK)) { + if (effects & NVME_CMD_EFFECTS_CSE_MASK) { mutex_lock(&ctrl->scan_lock); mutex_lock(&ctrl->subsys->lock); nvme_mpath_start_freeze(ctrl->subsys); @@ -1020,36 +1019,9 @@ static u32 nvme_passthru_start(struct nvme_ctrl *ctrl, struct nvme_ns *ns, return effects; } -static void nvme_update_formats(struct nvme_ctrl *ctrl, u32 *effects) -{ - struct nvme_ns *ns; - - down_read(&ctrl->namespaces_rwsem); - list_for_each_entry(ns, &ctrl->namespaces, list) - if (nvme_validate_ns(ns)) - nvme_set_queue_dying(ns); - else if (blk_queue_is_zoned(ns->disk->queue)) { - /* - * IO commands are required to fully revalidate a zoned - * device. Force the command effects to trigger rescan - * work so report zones can run in a context with - * unfrozen IO queues. - */ - *effects |= NVME_CMD_EFFECTS_NCC; - } - up_read(&ctrl->namespaces_rwsem); -} - static void nvme_passthru_end(struct nvme_ctrl *ctrl, u32 effects) { - /* - * Revalidate LBA changes prior to unfreezing. This is necessary to - * prevent memory corruption if a logical block size was changed by - * this command. - */ - if (effects & NVME_CMD_EFFECTS_LBCC) - nvme_update_formats(ctrl, &effects); - if (effects & (NVME_CMD_EFFECTS_LBCC | NVME_CMD_EFFECTS_CSE_MASK)) { + if (effects & NVME_CMD_EFFECTS_CSE_MASK) { nvme_unfreeze(ctrl); nvme_mpath_unfreeze(ctrl->subsys); mutex_unlock(&ctrl->subsys->lock);