Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/nvme/host/fault_inject.c b/drivers/nvme/host/fault_inject.c
index 0263226..1352159 100644
--- a/drivers/nvme/host/fault_inject.c
+++ b/drivers/nvme/host/fault_inject.c
@@ -1,8 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* fault injection support for nvme.
*
* Copyright (c) 2018, Oracle and/or its affiliates
- *
*/
#include <linux/moduleparam.h>
@@ -15,11 +15,10 @@
static char *fail_request;
module_param(fail_request, charp, 0000);
-void nvme_fault_inject_init(struct nvme_ns *ns)
+void nvme_fault_inject_init(struct nvme_fault_inject *fault_inj,
+ const char *dev_name)
{
struct dentry *dir, *parent;
- char *name = ns->disk->disk_name;
- struct nvme_fault_inject *fault_inj = &ns->fault_inject;
struct fault_attr *attr = &fault_inj->attr;
/* set default fault injection attribute */
@@ -27,20 +26,20 @@
setup_fault_attr(&fail_default_attr, fail_request);
/* create debugfs directory and attribute */
- parent = debugfs_create_dir(name, NULL);
+ parent = debugfs_create_dir(dev_name, NULL);
if (!parent) {
- pr_warn("%s: failed to create debugfs directory\n", name);
+ pr_warn("%s: failed to create debugfs directory\n", dev_name);
return;
}
*attr = fail_default_attr;
dir = fault_create_debugfs_attr("fault_inject", parent, attr);
if (IS_ERR(dir)) {
- pr_warn("%s: failed to create debugfs attr\n", name);
+ pr_warn("%s: failed to create debugfs attr\n", dev_name);
debugfs_remove_recursive(parent);
return;
}
- ns->fault_inject.parent = parent;
+ fault_inj->parent = parent;
/* create debugfs for status code and dont_retry */
fault_inj->status = NVME_SC_INVALID_OPCODE;
@@ -49,29 +48,33 @@
debugfs_create_bool("dont_retry", 0600, dir, &fault_inj->dont_retry);
}
-void nvme_fault_inject_fini(struct nvme_ns *ns)
+void nvme_fault_inject_fini(struct nvme_fault_inject *fault_inject)
{
/* remove debugfs directories */
- debugfs_remove_recursive(ns->fault_inject.parent);
+ debugfs_remove_recursive(fault_inject->parent);
}
void nvme_should_fail(struct request *req)
{
struct gendisk *disk = req->rq_disk;
- struct nvme_ns *ns = NULL;
+ struct nvme_fault_inject *fault_inject = NULL;
u16 status;
- /*
- * make sure this request is coming from a valid namespace
- */
- if (!disk)
- return;
+ if (disk) {
+ struct nvme_ns *ns = disk->private_data;
- ns = disk->private_data;
- if (ns && should_fail(&ns->fault_inject.attr, 1)) {
+ if (ns)
+ fault_inject = &ns->fault_inject;
+ else
+ WARN_ONCE(1, "No namespace found for request\n");
+ } else {
+ fault_inject = &nvme_req(req)->ctrl->fault_inject;
+ }
+
+ if (fault_inject && should_fail(&fault_inject->attr, 1)) {
/* inject status code and DNR bit */
- status = ns->fault_inject.status;
- if (ns->fault_inject.dont_retry)
+ status = fault_inject->status;
+ if (fault_inject->dont_retry)
status |= NVME_SC_DNR;
nvme_req(req)->status = status;
}