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 <[email protected]>
This commit is contained in:
Al Viro 2013-03-31 18:16:14 -04:00
commit d9dda78bad
95 changed files with 243 additions and 302 deletions

View file

@ -55,9 +55,7 @@ static loff_t isapnp_proc_bus_lseek(struct file *file, loff_t off, int whence)
static ssize_t isapnp_proc_bus_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 pnp_dev *dev = dp->data;
struct pnp_dev *dev = PDE_DATA(file_inode(file));
int pos = *ppos;
int cnt, size = 256;

View file

@ -238,13 +238,13 @@ static int pnpbios_proc_show(struct seq_file *m, void *v)
static int pnpbios_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, pnpbios_proc_show, PDE(inode)->data);
return single_open(file, pnpbios_proc_show, PDE_DATA(inode));
}
static ssize_t pnpbios_proc_write(struct file *file, const char __user *buf,
size_t count, loff_t *pos)
{
void *data = PDE(file_inode(file))->data;
void *data = PDE_DATA(file_inode(file));
struct pnp_bios_node *node;
int boot = (long)data >> 8;
u8 nodenum = (long)data;