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/zorro/proc.c b/drivers/zorro/proc.c
index 73b3383..6d3a602 100644
--- a/drivers/zorro/proc.c
+++ b/drivers/zorro/proc.c
@@ -47,9 +47,7 @@
static ssize_t
proc_bus_zorro_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos)
{
- struct inode *ino = file_inode(file);
- struct proc_dir_entry *dp = PDE(ino);
- struct zorro_dev *z = dp->data;
+ struct zorro_dev *z = PDE_DATA(file_inode(file));
struct ConfigDev cd;
loff_t pos = *ppos;