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more file_inode() open-coded instances 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-02-27 16:59:05 -05:00
parent 45e09bd51b
commit 6131ffaa1f
10 changed files with 38 additions and 45 deletions
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6
arch/s390/hypfs/inode.c
View File

@ -171,12 +171,10 @@ static ssize_t hypfs_aio_write(struct kiocb *iocb, const struct iovec *iov,
unsigned long nr_segs, loff_t offset)
{
int rc;
struct super_block *sb;
struct hypfs_sb_info *fs_info;
struct super_block *sb = file_inode(iocb->ki_filp)->i_sb;
struct hypfs_sb_info *fs_info = sb->s_fs_info;
size_t count = iov_length(iov, nr_segs);
sb = iocb->ki_filp->f_path.dentry->d_inode->i_sb;
fs_info = sb->s_fs_info;
/*
* Currently we only allow one update per second for two reasons:
* 1. diag 204 is VERY expensive

9
arch/x86/kernel/msr.c
View File

@ -71,7 +71,7 @@ static ssize_t msr_read(struct file *file, char __user *buf,
u32 __user *tmp = (u32 __user *) buf;
u32 data[2];
u32 reg = *ppos;
int cpu = iminor(file->f_path.dentry->d_inode);
int cpu = iminor(file_inode(file));
int err = 0;
ssize_t bytes = 0;
@ -99,7 +99,7 @@ static ssize_t msr_write(struct file *file, const char __user *buf,
const u32 __user *tmp = (const u32 __user *)buf;
u32 data[2];
u32 reg = *ppos;
int cpu = iminor(file->f_path.dentry->d_inode);
int cpu = iminor(file_inode(file));
int err = 0;
ssize_t bytes = 0;
@ -125,7 +125,7 @@ static long msr_ioctl(struct file *file, unsigned int ioc, unsigned long arg)
{
u32 __user *uregs = (u32 __user *)arg;
u32 regs[8];
int cpu = iminor(file->f_path.dentry->d_inode);
int cpu = iminor(file_inode(file));
int err;
switch (ioc) {
@ -171,13 +171,12 @@ static long msr_ioctl(struct file *file, unsigned int ioc, unsigned long arg)
static int msr_open(struct inode *inode, struct file *file)
{
unsigned int cpu;
unsigned int cpu = iminor(file_inode(file));
struct cpuinfo_x86 *c;
if (!capable(CAP_SYS_RAWIO))
return -EPERM;
cpu = iminor(file->f_path.dentry->d_inode);
if (cpu >= nr_cpu_ids || !cpu_online(cpu))
return -ENXIO; /* No such CPU */

14
drivers/staging/comedi/comedi_fops.c
View File

@ -580,7 +580,7 @@ static int do_devinfo_ioctl(struct comedi_device *dev,
struct comedi_devinfo __user *arg,
struct file *file)
{
const unsigned minor = iminor(file->f_dentry->d_inode);
const unsigned minor = iminor(file_inode(file));
struct comedi_file_info *info = comedi_file_info_from_minor(minor);
struct comedi_subdevice *s;
struct comedi_devinfo devinfo;
@ -1615,7 +1615,7 @@ static int do_poll_ioctl(struct comedi_device *dev, unsigned int arg,
static long comedi_unlocked_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
{
const unsigned minor = iminor(file->f_dentry->d_inode);
const unsigned minor = iminor(file_inode(file));
struct comedi_file_info *info = comedi_file_info_from_minor(minor);
struct comedi_device *dev = comedi_dev_from_file_info(info);
int rc;
@ -1743,7 +1743,7 @@ static struct vm_operations_struct comedi_vm_ops = {
static int comedi_mmap(struct file *file, struct vm_area_struct *vma)
{
const unsigned minor = iminor(file->f_dentry->d_inode);
const unsigned minor = iminor(file_inode(file));
struct comedi_file_info *info = comedi_file_info_from_minor(minor);
struct comedi_device *dev = comedi_dev_from_file_info(info);
struct comedi_subdevice *s;
@ -1823,7 +1823,7 @@ done:
static unsigned int comedi_poll(struct file *file, poll_table *wait)
{
unsigned int mask = 0;
const unsigned minor = iminor(file->f_dentry->d_inode);
const unsigned minor = iminor(file_inode(file));
struct comedi_file_info *info = comedi_file_info_from_minor(minor);
struct comedi_device *dev = comedi_dev_from_file_info(info);
struct comedi_subdevice *s;
@ -1869,7 +1869,7 @@ static ssize_t comedi_write(struct file *file, const char __user *buf,
struct comedi_async *async;
int n, m, count = 0, retval = 0;
DECLARE_WAITQUEUE(wait, current);
const unsigned minor = iminor(file->f_dentry->d_inode);
const unsigned minor = iminor(file_inode(file));
struct comedi_file_info *info = comedi_file_info_from_minor(minor);
struct comedi_device *dev = comedi_dev_from_file_info(info);
@ -1964,7 +1964,7 @@ static ssize_t comedi_read(struct file *file, char __user *buf, size_t nbytes,
struct comedi_async *async;
int n, m, count = 0, retval = 0;
DECLARE_WAITQUEUE(wait, current);
const unsigned minor = iminor(file->f_dentry->d_inode);
const unsigned minor = iminor(file_inode(file));
struct comedi_file_info *info = comedi_file_info_from_minor(minor);
struct comedi_device *dev = comedi_dev_from_file_info(info);
@ -2133,7 +2133,7 @@ ok:
static int comedi_fasync(int fd, struct file *file, int on)
{
const unsigned minor = iminor(file->f_dentry->d_inode);
const unsigned minor = iminor(file_inode(file));
struct comedi_device *dev = comedi_dev_from_minor(minor);
if (!dev)

16
drivers/tty/tty_io.c
View File

@ -960,11 +960,10 @@ static ssize_t tty_read(struct file *file, char __user *buf, size_t count,
loff_t *ppos)
{
int i;
struct inode *inode = file->f_path.dentry->d_inode;
struct tty_struct *tty = file_tty(file);
struct tty_ldisc *ld;
if (tty_paranoia_check(tty, inode, "tty_read"))
if (tty_paranoia_check(tty, file_inode(file), "tty_read"))
return -EIO;
if (!tty || (test_bit(TTY_IO_ERROR, &tty->flags)))
return -EIO;
@ -1132,12 +1131,11 @@ void tty_write_message(struct tty_struct *tty, char *msg)
static ssize_t tty_write(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
struct inode *inode = file->f_path.dentry->d_inode;
struct tty_struct *tty = file_tty(file);
struct tty_ldisc *ld;
ssize_t ret;
if (tty_paranoia_check(tty, inode, "tty_write"))
if (tty_paranoia_check(tty, file_inode(file), "tty_write"))
return -EIO;
if (!tty || !tty->ops->write ||
(test_bit(TTY_IO_ERROR, &tty->flags)))
@ -2047,7 +2045,7 @@ static unsigned int tty_poll(struct file *filp, poll_table *wait)
struct tty_ldisc *ld;
int ret = 0;
if (tty_paranoia_check(tty, filp->f_path.dentry->d_inode, "tty_poll"))
if (tty_paranoia_check(tty, file_inode(filp), "tty_poll"))
return 0;
ld = tty_ldisc_ref_wait(tty);
@ -2063,7 +2061,7 @@ static int __tty_fasync(int fd, struct file *filp, int on)
unsigned long flags;
int retval = 0;
if (tty_paranoia_check(tty, filp->f_path.dentry->d_inode, "tty_fasync"))
if (tty_paranoia_check(tty, file_inode(filp), "tty_fasync"))
goto out;
retval = fasync_helper(fd, filp, on, &tty->fasync);
@ -2637,9 +2635,8 @@ long tty_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
void __user *p = (void __user *)arg;
int retval;
struct tty_ldisc *ld;
struct inode *inode = file->f_dentry->d_inode;
if (tty_paranoia_check(tty, inode, "tty_ioctl"))
if (tty_paranoia_check(tty, file_inode(file), "tty_ioctl"))
return -EINVAL;
real_tty = tty_pair_get_tty(tty);
@ -2780,12 +2777,11 @@ long tty_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
static long tty_compat_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
{
struct inode *inode = file->f_dentry->d_inode;
struct tty_struct *tty = file_tty(file);
struct tty_ldisc *ld;
int retval = -ENOIOCTLCMD;
if (tty_paranoia_check(tty, inode, "tty_ioctl"))
if (tty_paranoia_check(tty, file_inode(file), "tty_ioctl"))
return -EINVAL;
if (tty->ops->compat_ioctl) {

2
fs/ext4/indirect.c
View File

@ -1606,7 +1606,7 @@ err:
int ext4_ind_punch_hole(struct file *file, loff_t offset, loff_t length)
{
struct inode *inode = file->f_path.dentry->d_inode;
struct inode *inode = file_inode(file);
struct super_block *sb = inode->i_sb;
ext4_lblk_t first_block, stop_block;
struct address_space *mapping = inode->i_mapping;

6
fs/f2fs/file.c
View File

@ -29,7 +29,7 @@ static int f2fs_vm_page_mkwrite(struct vm_area_struct *vma,
struct vm_fault *vmf)
{
struct page *page = vmf->page;
struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
struct inode *inode = file_inode(vma->vm_file);
struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
block_t old_blk_addr;
struct dnode_of_data dn;
@ -544,7 +544,7 @@ static int expand_inode_data(struct inode *inode, loff_t offset,
static long f2fs_fallocate(struct file *file, int mode,
loff_t offset, loff_t len)
{
struct inode *inode = file->f_path.dentry->d_inode;
struct inode *inode = file_inode(file);
long ret;
if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE))
@ -577,7 +577,7 @@ static inline __u32 f2fs_mask_flags(umode_t mode, __u32 flags)
long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
struct inode *inode = filp->f_dentry->d_inode;
struct inode *inode = file_inode(filp);
struct f2fs_inode_info *fi = F2FS_I(inode);
unsigned int flags;
int ret;

2
fs/fuse/dev.c
View File

@ -532,7 +532,7 @@ void fuse_request_send_background_locked(struct fuse_conn *fc,
void fuse_force_forget(struct file *file, u64 nodeid)
{
struct inode *inode = file->f_path.dentry->d_inode;
struct inode *inode = file_inode(file);
struct fuse_conn *fc = get_fuse_conn(inode);
struct fuse_req *req;
struct fuse_forget_in inarg;

24
fs/fuse/file.c
View File

@ -355,7 +355,7 @@ static int fuse_wait_on_page_writeback(struct inode *inode, pgoff_t index)
static int fuse_flush(struct file *file, fl_owner_t id)
{
struct inode *inode = file->f_path.dentry->d_inode;
struct inode *inode = file_inode(file);
struct fuse_conn *fc = get_fuse_conn(inode);
struct fuse_file *ff = file->private_data;
struct fuse_req *req;
@ -1215,7 +1215,7 @@ static ssize_t __fuse_direct_read(struct file *file, const struct iovec *iov,
unsigned long nr_segs, loff_t *ppos)
{
ssize_t res;
struct inode *inode = file->f_path.dentry->d_inode;
struct inode *inode = file_inode(file);
if (is_bad_inode(inode))
return -EIO;
@ -1238,7 +1238,7 @@ static ssize_t fuse_direct_read(struct file *file, char __user *buf,
static ssize_t __fuse_direct_write(struct file *file, const struct iovec *iov,
unsigned long nr_segs, loff_t *ppos)
{
struct inode *inode = file->f_path.dentry->d_inode;
struct inode *inode = file_inode(file);
size_t count = iov_length(iov, nr_segs);
ssize_t res;
@ -1258,7 +1258,7 @@ static ssize_t fuse_direct_write(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
struct iovec iov = { .iov_base = (void __user *)buf, .iov_len = count };
struct inode *inode = file->f_path.dentry->d_inode;
struct inode *inode = file_inode(file);
ssize_t res;
if (is_bad_inode(inode))
@ -1485,7 +1485,7 @@ static const struct vm_operations_struct fuse_file_vm_ops = {
static int fuse_file_mmap(struct file *file, struct vm_area_struct *vma)
{
if ((vma->vm_flags & VM_SHARED) && (vma->vm_flags & VM_MAYWRITE)) {
struct inode *inode = file->f_dentry->d_inode;
struct inode *inode = file_inode(file);
struct fuse_conn *fc = get_fuse_conn(inode);
struct fuse_inode *fi = get_fuse_inode(inode);
struct fuse_file *ff = file->private_data;
@ -1543,7 +1543,7 @@ static void fuse_lk_fill(struct fuse_req *req, struct file *file,
const struct file_lock *fl, int opcode, pid_t pid,
int flock)
{
struct inode *inode = file->f_path.dentry->d_inode;
struct inode *inode = file_inode(file);
struct fuse_conn *fc = get_fuse_conn(inode);
struct fuse_file *ff = file->private_data;
struct fuse_lk_in *arg = &req->misc.lk_in;
@ -1565,7 +1565,7 @@ static void fuse_lk_fill(struct fuse_req *req, struct file *file,
static int fuse_getlk(struct file *file, struct file_lock *fl)
{
struct inode *inode = file->f_path.dentry->d_inode;
struct inode *inode = file_inode(file);
struct fuse_conn *fc = get_fuse_conn(inode);
struct fuse_req *req;
struct fuse_lk_out outarg;
@ -1590,7 +1590,7 @@ static int fuse_getlk(struct file *file, struct file_lock *fl)
static int fuse_setlk(struct file *file, struct file_lock *fl, int flock)
{
struct inode *inode = file->f_path.dentry->d_inode;
struct inode *inode = file_inode(file);
struct fuse_conn *fc = get_fuse_conn(inode);
struct fuse_req *req;
int opcode = (fl->fl_flags & FL_SLEEP) ? FUSE_SETLKW : FUSE_SETLK;
@ -1622,7 +1622,7 @@ static int fuse_setlk(struct file *file, struct file_lock *fl, int flock)
static int fuse_file_lock(struct file *file, int cmd, struct file_lock *fl)
{
struct inode *inode = file->f_path.dentry->d_inode;
struct inode *inode = file_inode(file);
struct fuse_conn *fc = get_fuse_conn(inode);
int err;
@ -1645,7 +1645,7 @@ static int fuse_file_lock(struct file *file, int cmd, struct file_lock *fl)
static int fuse_file_flock(struct file *file, int cmd, struct file_lock *fl)
{
struct inode *inode = file->f_path.dentry->d_inode;
struct inode *inode = file_inode(file);
struct fuse_conn *fc = get_fuse_conn(inode);
int err;
@ -1702,7 +1702,7 @@ static sector_t fuse_bmap(struct address_space *mapping, sector_t block)
static loff_t fuse_file_llseek(struct file *file, loff_t offset, int whence)
{
loff_t retval;
struct inode *inode = file->f_path.dentry->d_inode;
struct inode *inode = file_inode(file);
/* No i_mutex protection necessary for SEEK_CUR and SEEK_SET */
if (whence == SEEK_CUR || whence == SEEK_SET)
@ -2079,7 +2079,7 @@ EXPORT_SYMBOL_GPL(fuse_do_ioctl);
long fuse_ioctl_common(struct file *file, unsigned int cmd,
unsigned long arg, unsigned int flags)
{
struct inode *inode = file->f_dentry->d_inode;
struct inode *inode = file_inode(file);
struct fuse_conn *fc = get_fuse_conn(inode);
if (!fuse_allow_current_process(fc))

2
fs/seq_file.c
View File

@ -339,7 +339,7 @@ EXPORT_SYMBOL(seq_lseek);
/**
* seq_release - free the structures associated with sequential file.
* @file: file in question
* @inode: file->f_path.dentry->d_inode
* @inode: its inode
*
* Frees the structures associated with sequential file; can be used
* as ->f_op->release() if you don't have private data to destroy.

2
kernel/futex.c
View File

@ -226,7 +226,7 @@ static void drop_futex_key_refs(union futex_key *key)
* Returns a negative error code or 0
* The key words are stored in *key on success.
*
* For shared mappings, it's (page->index, vma->vm_file->f_path.dentry->d_inode,
* For shared mappings, it's (page->index, file_inode(vma->vm_file),
* offset_within_page). For private mappings, it's (uaddr, current->mm).
* We can usually work out the index without swapping in the page.
*