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-rw-r--r--fs/sysfs/sysfs.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h
index 2b217cef90be..93b4b68458ad 100644
--- a/fs/sysfs/sysfs.h
+++ b/fs/sysfs/sysfs.h
@@ -20,6 +20,12 @@
struct sysfs_super_info {
/*
+ * The root associated with this super_block. Each super_block is
+ * identified by the root and ns it's associated with.
+ */
+ struct kernfs_root *root;
+
+ /*
* Each sb is associated with one namespace tag, currently the network
* namespace of the task which mounted this sysfs instance. If multiple
* tags become necessary, make the following an array and compare