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/arch/alpha/kernel/srm_env.c b/arch/alpha/kernel/srm_env.c
index e64559f..ef8769b 100644
--- a/arch/alpha/kernel/srm_env.c
+++ b/arch/alpha/kernel/srm_env.c
@@ -104,14 +104,14 @@
static int srm_env_proc_open(struct inode *inode, struct file *file)
{
- return single_open(file, srm_env_proc_show, PDE(inode)->data);
+ return single_open(file, srm_env_proc_show, PDE_DATA(inode));
}
static ssize_t srm_env_proc_write(struct file *file, const char __user *buffer,
size_t count, loff_t *pos)
{
int res;
- srm_env_t *entry = PDE(file_inode(file))->data;
+ srm_env_t *entry = PDE_DATA(file_inode(file));
char *buf = (char *) __get_free_page(GFP_USER);
unsigned long ret1, ret2;