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procfs: new helper - PDE_DATA(inode)

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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
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24
net/sunrpc/cache.c
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@@ -1461,7 +1461,7 @@ static ssize_t write_flush(struct file *file, const char __user *buf,
static ssize_t cache_read_procfs(struct file *filp, char __user *buf,
size_t count, loff_t *ppos)
{
struct cache_detail *cd = PDE(file_inode(filp))->data;
struct cache_detail *cd = PDE_DATA(file_inode(filp));
return cache_read(filp, buf, count, ppos, cd);
}
@@ -1469,14 +1469,14 @@ static ssize_t cache_read_procfs(struct file *filp, char __user *buf,
static ssize_t cache_write_procfs(struct file *filp, const char __user *buf,
size_t count, loff_t *ppos)
{
struct cache_detail *cd = PDE(file_inode(filp))->data;
struct cache_detail *cd = PDE_DATA(file_inode(filp));
return cache_write(filp, buf, count, ppos, cd);
}
static unsigned int cache_poll_procfs(struct file *filp, poll_table *wait)
{
struct cache_detail *cd = PDE(file_inode(filp))->data;
struct cache_detail *cd = PDE_DATA(file_inode(filp));
return cache_poll(filp, wait, cd);
}
@@ -1485,21 +1485,21 @@ static long cache_ioctl_procfs(struct file *filp,
unsigned int cmd, unsigned long arg)
{
struct inode *inode = file_inode(filp);
struct cache_detail *cd = PDE(inode)->data;
struct cache_detail *cd = PDE_DATA(inode);
return cache_ioctl(inode, filp, cmd, arg, cd);
}
static int cache_open_procfs(struct inode *inode, struct file *filp)
{
struct cache_detail *cd = PDE(inode)->data;
struct cache_detail *cd = PDE_DATA(inode);
return cache_open(inode, filp, cd);
}
static int cache_release_procfs(struct inode *inode, struct file *filp)
{
struct cache_detail *cd = PDE(inode)->data;
struct cache_detail *cd = PDE_DATA(inode);
return cache_release(inode, filp, cd);
}
@@ -1517,14 +1517,14 @@ static const struct file_operations cache_file_operations_procfs = {
static int content_open_procfs(struct inode *inode, struct file *filp)
{
struct cache_detail *cd = PDE(inode)->data;
struct cache_detail *cd = PDE_DATA(inode);
return content_open(inode, filp, cd);
}
static int content_release_procfs(struct inode *inode, struct file *filp)
{
struct cache_detail *cd = PDE(inode)->data;
struct cache_detail *cd = PDE_DATA(inode);
return content_release(inode, filp, cd);
}
@@ -1538,14 +1538,14 @@ static const struct file_operations content_file_operations_procfs = {
static int open_flush_procfs(struct inode *inode, struct file *filp)
{
struct cache_detail *cd = PDE(inode)->data;
struct cache_detail *cd = PDE_DATA(inode);
return open_flush(inode, filp, cd);
}
static int release_flush_procfs(struct inode *inode, struct file *filp)
{
struct cache_detail *cd = PDE(inode)->data;
struct cache_detail *cd = PDE_DATA(inode);
return release_flush(inode, filp, cd);
}
@@ -1553,7 +1553,7 @@ static int release_flush_procfs(struct inode *inode, struct file *filp)
static ssize_t read_flush_procfs(struct file *filp, char __user *buf,
size_t count, loff_t *ppos)
{
struct cache_detail *cd = PDE(file_inode(filp))->data;
struct cache_detail *cd = PDE_DATA(file_inode(filp));
return read_flush(filp, buf, count, ppos, cd);
}
@@ -1562,7 +1562,7 @@ static ssize_t write_flush_procfs(struct file *filp,
const char __user *buf,
size_t count, loff_t *ppos)
{
struct cache_detail *cd = PDE(file_inode(filp))->data;
struct cache_detail *cd = PDE_DATA(file_inode(filp));
return write_flush(filp, buf, count, ppos, cd);
}