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/drivers/block/cpqarray.c b/drivers/block/cpqarray.c
index 3f08713..3b9e8eb 100644
--- a/drivers/block/cpqarray.c
+++ b/drivers/block/cpqarray.c
@@ -296,7 +296,7 @@
static int ida_proc_open(struct inode *inode, struct file *file)
{
- return single_open(file, ida_proc_show, PDE(inode)->data);
+ return single_open(file, ida_proc_show, PDE_DATA(inode));
}
static const struct file_operations ida_proc_fops = {