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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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12
fs/ioctl.c
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@ -175,7 +175,7 @@ static int ioctl_fiemap(struct file *filp, unsigned long arg)
struct fiemap fiemap;
struct fiemap __user *ufiemap = (struct fiemap __user *) arg;
struct fiemap_extent_info fieinfo = { 0, };
struct inode *inode = filp->f_path.dentry->d_inode;
struct inode *inode = file_inode(filp);
struct super_block *sb = inode->i_sb;
u64 len;
int error;
@ -424,7 +424,7 @@ EXPORT_SYMBOL(generic_block_fiemap);
*/
int ioctl_preallocate(struct file *filp, void __user *argp)
{
struct inode *inode = filp->f_path.dentry->d_inode;
struct inode *inode = file_inode(filp);
struct space_resv sr;
if (copy_from_user(&sr, argp, sizeof(sr)))
@ -449,7 +449,7 @@ int ioctl_preallocate(struct file *filp, void __user *argp)
static int file_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);
int __user *p = (int __user *)arg;
switch (cmd) {
@ -512,7 +512,7 @@ static int ioctl_fioasync(unsigned int fd, struct file *filp,
static int ioctl_fsfreeze(struct file *filp)
{
struct super_block *sb = filp->f_path.dentry->d_inode->i_sb;
struct super_block *sb = file_inode(filp)->i_sb;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
@ -527,7 +527,7 @@ static int ioctl_fsfreeze(struct file *filp)
static int ioctl_fsthaw(struct file *filp)
{
struct super_block *sb = filp->f_path.dentry->d_inode->i_sb;
struct super_block *sb = file_inode(filp)->i_sb;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
@ -548,7 +548,7 @@ int do_vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd,
{
int error = 0;
int __user *argp = (int __user *)arg;
struct inode *inode = filp->f_path.dentry->d_inode;
struct inode *inode = file_inode(filp);
switch (cmd) {
case FIOCLEX: