procfs: new helper - PDE_DATA(inode)
The only part of proc_dir_entry the code outside of fs/proc
really cares about is PDE(inode)->data. Provide a helper
for that; static inline for now, eventually will be moved
to fs/proc, along with the knowledge of struct proc_dir_entry
layout.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 4f4137a..5ae73e2 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -306,6 +306,11 @@
return PROC_I(inode)->pde;
}
+static inline void *PDE_DATA(const struct inode *inode)
+{
+ return PROC_I(inode)->pde->data;
+}
+
static inline struct net *PDE_NET(struct proc_dir_entry *pde)
{
return pde->parent->data;