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-rw-r--r--drivers/base/init.c2
-rw-r--r--include/linux/backing-dev.h2
-rw-r--r--mm/backing-dev.c11
3 files changed, 6 insertions, 9 deletions
diff --git a/drivers/base/init.c b/drivers/base/init.c
index d8d0fe687111..397eb9880cec 100644
--- a/drivers/base/init.c
+++ b/drivers/base/init.c
@@ -8,6 +8,7 @@
#include <linux/init.h>
#include <linux/memory.h>
#include <linux/of.h>
+#include <linux/backing-dev.h>
#include "base.h"
@@ -20,6 +21,7 @@
void __init driver_init(void)
{
/* These are the core pieces */
+ bdi_init(&noop_backing_dev_info);
devtmpfs_init();
devices_init();
buses_init();
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index 87ce24d238f3..8c2eed1b69c1 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -121,6 +121,8 @@ int bdi_set_max_ratio(struct backing_dev_info *bdi, unsigned int max_ratio);
extern struct backing_dev_info noop_backing_dev_info;
+int bdi_init(struct backing_dev_info *bdi);
+
/**
* writeback_in_progress - determine whether there is writeback in progress
* @wb: bdi_writeback of interest
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 7176af65b103..e262739a0a23 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -230,20 +230,13 @@ static __init int bdi_class_init(void)
}
postcore_initcall(bdi_class_init);
-static int bdi_init(struct backing_dev_info *bdi);
-
static int __init default_bdi_init(void)
{
- int err;
-
bdi_wq = alloc_workqueue("writeback", WQ_MEM_RECLAIM | WQ_UNBOUND |
WQ_SYSFS, 0);
if (!bdi_wq)
return -ENOMEM;
-
- err = bdi_init(&noop_backing_dev_info);
-
- return err;
+ return 0;
}
subsys_initcall(default_bdi_init);
@@ -782,7 +775,7 @@ static void cgwb_remove_from_bdi_list(struct bdi_writeback *wb)
#endif /* CONFIG_CGROUP_WRITEBACK */
-static int bdi_init(struct backing_dev_info *bdi)
+int bdi_init(struct backing_dev_info *bdi)
{
int ret;