xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

procfs: new helper - PDE_DATA(inode)

Browse Source 
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>
This commit is contained in:
Al Viro
2013-03-31 18:16:14 -04:00
parent 8510e30b46
commit d9dda78bad
95 changed files with 243 additions and 302 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
drivers/pci/proc.c
View File

@@ -46,9 +46,7 @@ proc_bus_pci_lseek(struct file *file, loff_t off, int whence)
static ssize_t
proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos)
{
const struct inode *ino = file_inode(file);
const struct proc_dir_entry *dp = PDE(ino);
struct pci_dev *dev = dp->data;
struct pci_dev *dev = PDE_DATA(file_inode(file));
unsigned int pos = *ppos;
unsigned int cnt, size;
@@ -59,7 +57,7 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp
*/
if (capable(CAP_SYS_ADMIN))
size = dp->size;
size = dev->cfg_size;
else if (dev->hdr_type == PCI_HEADER_TYPE_CARDBUS)
size = 128;
else
@@ -133,10 +131,9 @@ static ssize_t
proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, loff_t *ppos)
{
struct inode *ino = file_inode(file);
const struct proc_dir_entry *dp = PDE(ino);
struct pci_dev *dev = dp->data;
struct pci_dev *dev = PDE_DATA(ino);
int pos = *ppos;
int size = dp->size;
int size = dev->cfg_size;
int cnt;
if (pos >= size)
@@ -200,7 +197,7 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof
pci_config_pm_runtime_put(dev);
*ppos = pos;
i_size_write(ino, dp->size);
i_size_write(ino, dev->cfg_size);
return nbytes;
}
@@ -212,8 +209,7 @@ struct pci_filp_private {
static long proc_bus_pci_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
{
const struct proc_dir_entry *dp = PDE(file_inode(file));
struct pci_dev *dev = dp->data;
struct pci_dev *dev = PDE_DATA(file_inode(file));
#ifdef HAVE_PCI_MMAP
struct pci_filp_private *fpriv = file->private_data;
#endif /* HAVE_PCI_MMAP */
@@ -253,9 +249,7 @@ static long proc_bus_pci_ioctl(struct file *file, unsigned int cmd,
#ifdef HAVE_PCI_MMAP
static int proc_bus_pci_mmap(struct file *file, struct vm_area_struct *vma)
{
struct inode *inode = file_inode(file);
const struct proc_dir_entry *dp = PDE(inode);
struct pci_dev *dev = dp->data;
struct pci_dev *dev = PDE_DATA(file_inode(file));
struct pci_filp_private *fpriv = file->private_data;
int i, ret;