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Diffstat (limited to 'fs/cachefiles/main.c')
-rw-r--r--fs/cachefiles/main.c22
1 files changed, 10 insertions, 12 deletions
diff --git a/fs/cachefiles/main.c b/fs/cachefiles/main.c
index 9c8d34c49b12..3f369c6f816d 100644
--- a/fs/cachefiles/main.c
+++ b/fs/cachefiles/main.c
@@ -2,7 +2,7 @@
/* Network filesystem caching backend to use cache files on a premounted
* filesystem
*
- * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
+ * Copyright (C) 2021 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*/
@@ -18,6 +18,8 @@
#include <linux/statfs.h>
#include <linux/sysctl.h>
#include <linux/miscdevice.h>
+#include <linux/netfs.h>
+#include <trace/events/netfs.h>
#define CREATE_TRACE_POINTS
#include "internal.h"
@@ -37,14 +39,6 @@ static struct miscdevice cachefiles_dev = {
.fops = &cachefiles_daemon_fops,
};
-static void cachefiles_object_init_once(void *_object)
-{
- struct cachefiles_object *object = _object;
-
- memset(object, 0, sizeof(*object));
- spin_lock_init(&object->work_lock);
-}
-
/*
* initialise the fs caching module
*/
@@ -52,6 +46,9 @@ static int __init cachefiles_init(void)
{
int ret;
+ ret = cachefiles_register_error_injection();
+ if (ret < 0)
+ goto error_einj;
ret = misc_register(&cachefiles_dev);
if (ret < 0)
goto error_dev;
@@ -61,9 +58,7 @@ static int __init cachefiles_init(void)
cachefiles_object_jar =
kmem_cache_create("cachefiles_object_jar",
sizeof(struct cachefiles_object),
- 0,
- SLAB_HWCACHE_ALIGN,
- cachefiles_object_init_once);
+ 0, SLAB_HWCACHE_ALIGN, NULL);
if (!cachefiles_object_jar) {
pr_notice("Failed to allocate an object jar\n");
goto error_object_jar;
@@ -75,6 +70,8 @@ static int __init cachefiles_init(void)
error_object_jar:
misc_deregister(&cachefiles_dev);
error_dev:
+ cachefiles_unregister_error_injection();
+error_einj:
pr_err("failed to register: %d\n", ret);
return ret;
}
@@ -90,6 +87,7 @@ static void __exit cachefiles_exit(void)
kmem_cache_destroy(cachefiles_object_jar);
misc_deregister(&cachefiles_dev);
+ cachefiles_unregister_error_injection();
}
module_exit(cachefiles_exit);