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);
* 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);
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);