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-rw-r--r--include/linux/kernfs.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h
index 3ccce6f24548..9f650986a81b 100644
--- a/include/linux/kernfs.h
+++ b/include/linux/kernfs.h
@@ -16,6 +16,7 @@
#include <linux/atomic.h>
#include <linux/uidgid.h>
#include <linux/wait.h>
+#include <linux/rwsem.h>
struct file;
struct dentry;
@@ -197,6 +198,7 @@ struct kernfs_root {
struct list_head supers;
wait_queue_head_t deactivate_waitq;
+ struct rw_semaphore kernfs_rwsem;
};
struct kernfs_open_file {