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new helper: file_inode(file)

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Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Al Viro 2013-01-23 17:07:38 -05:00
commit 496ad9aa8e
306 changed files with 696 additions and 717 deletions
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16
fs/pipe.c
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@ -361,7 +361,7 @@ pipe_read(struct kiocb *iocb, const struct iovec *_iov,
unsigned long nr_segs, loff_t pos)
{
struct file *filp = iocb->ki_filp;
struct inode *inode = filp->f_path.dentry->d_inode;
struct inode *inode = file_inode(filp);
struct pipe_inode_info *pipe;
int do_wakeup;
ssize_t ret;
@ -486,7 +486,7 @@ pipe_write(struct kiocb *iocb, const struct iovec *_iov,
unsigned long nr_segs, loff_t ppos)
{
struct file *filp = iocb->ki_filp;
struct inode *inode = filp->f_path.dentry->d_inode;
struct inode *inode = file_inode(filp);
struct pipe_inode_info *pipe;
ssize_t ret;
int do_wakeup;
@ -677,7 +677,7 @@ bad_pipe_w(struct file *filp, const char __user *buf, size_t count,
static long pipe_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
struct inode *inode = filp->f_path.dentry->d_inode;
struct inode *inode = file_inode(filp);
struct pipe_inode_info *pipe;
int count, buf, nrbufs;
@ -705,7 +705,7 @@ static unsigned int
pipe_poll(struct file *filp, poll_table *wait)
{
unsigned int mask;
struct inode *inode = filp->f_path.dentry->d_inode;
struct inode *inode = file_inode(filp);
struct pipe_inode_info *pipe = inode->i_pipe;
int nrbufs;
@ -758,7 +758,7 @@ pipe_release(struct inode *inode, int decr, int decw)
static int
pipe_read_fasync(int fd, struct file *filp, int on)
{
struct inode *inode = filp->f_path.dentry->d_inode;
struct inode *inode = file_inode(filp);
int retval;
mutex_lock(&inode->i_mutex);
@ -772,7 +772,7 @@ pipe_read_fasync(int fd, struct file *filp, int on)
static int
pipe_write_fasync(int fd, struct file *filp, int on)
{
struct inode *inode = filp->f_path.dentry->d_inode;
struct inode *inode = file_inode(filp);
int retval;
mutex_lock(&inode->i_mutex);
@ -786,7 +786,7 @@ pipe_write_fasync(int fd, struct file *filp, int on)
static int
pipe_rdwr_fasync(int fd, struct file *filp, int on)
{
struct inode *inode = filp->f_path.dentry->d_inode;
struct inode *inode = file_inode(filp);
struct pipe_inode_info *pipe = inode->i_pipe;
int retval;
@ -1226,7 +1226,7 @@ int pipe_proc_fn(struct ctl_table *table, int write, void __user *buf,
*/
struct pipe_inode_info *get_pipe_info(struct file *file)
{
struct inode *i = file->f_path.dentry->d_inode;
struct inode *i = file_inode(file);
return S_ISFIFO(i->i_mode) ? i->i_pipe : NULL;
}