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/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 9a90756..05272e6 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -844,14 +844,14 @@
static int dispatch_proc_open(struct inode *inode, struct file *file)
{
- return single_open(file, dispatch_proc_show, PDE(inode)->data);
+ return single_open(file, dispatch_proc_show, PDE_DATA(inode));
}
static ssize_t dispatch_proc_write(struct file *file,
const char __user *userbuf,
size_t count, loff_t *pos)
{
- struct ibm_struct *ibm = PDE(file_inode(file))->data;
+ struct ibm_struct *ibm = PDE_DATA(file_inode(file));
char *kernbuf;
int ret;