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-rw-r--r--include/linux/cgroup.h2
-rw-r--r--include/linux/kernfs.h12
2 files changed, 11 insertions, 3 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 710a005c6b7a..30c68773fd1e 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -543,7 +543,7 @@ static inline bool cgroup_is_populated(struct cgroup *cgrp)
/* returns ino associated with a cgroup */
static inline ino_t cgroup_ino(struct cgroup *cgrp)
{
- return cgrp->kn->ino;
+ return cgrp->kn->id.ino;
}
/* cft/css accessors for cftype->write() operation */
diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h
index 8c00d28f468a..06a0c5913e1d 100644
--- a/include/linux/kernfs.h
+++ b/include/linux/kernfs.h
@@ -95,6 +95,15 @@ struct kernfs_elem_attr {
struct kernfs_node *notify_next; /* for kernfs_notify() */
};
+/* represent a kernfs node */
+union kernfs_node_id {
+ struct {
+ u32 ino;
+ u32 generation;
+ };
+ u64 id;
+};
+
/*
* kernfs_node - the building block of kernfs hierarchy. Each and every
* kernfs node is represented by single kernfs_node. Most fields are
@@ -131,11 +140,10 @@ struct kernfs_node {
void *priv;
+ union kernfs_node_id id;
unsigned short flags;
umode_t mode;
- unsigned int ino;
struct kernfs_iattrs *iattr;
- u32 generation;
};
/*