new helper: file_inode(file)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

8 files changed, 39 insertions, 39 deletions

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 9b43ff77a51e..760268d6cba6 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -383,7 +383,7 @@ static int lstats_open(struct inode *inode, struct file *file)
 static ssize_t lstats_write(struct file *file, const char __user *buf,
                             size_t count, loff_t *offs)
 {
-        struct task_struct *task = get_proc_task(file->f_dentry->d_inode);
+        struct task_struct *task = get_proc_task(file_inode(file));
 
         if (!task)
                 return -ESRCH;
@@ -602,7 +602,7 @@ static const struct inode_operations proc_def_inode_operations = {
 static ssize_t proc_info_read(struct file * file, char __user * buf,
                           size_t count, loff_t *ppos)
 {
-        struct inode * inode = file->f_path.dentry->d_inode;
+        struct inode * inode = file_inode(file);
         unsigned long page;
         ssize_t length;
         struct task_struct *task = get_proc_task(inode);
@@ -668,7 +668,7 @@ static const struct file_operations proc_single_file_operations = {
 
 static int __mem_open(struct inode *inode, struct file *file, unsigned int mode)
 {
-        struct task_struct *task = get_proc_task(file->f_path.dentry->d_inode);
+        struct task_struct *task = get_proc_task(file_inode(file));
         struct mm_struct *mm;
 
         if (!task)
@@ -869,7 +869,7 @@ static const struct file_operations proc_environ_operations = {
 static ssize_t oom_adj_read(struct file *file, char __user *buf, size_t count,
                             loff_t *ppos)
 {
-        struct task_struct *task = get_proc_task(file->f_path.dentry->d_inode);
+        struct task_struct *task = get_proc_task(file_inode(file));
         char buffer[PROC_NUMBUF];
         int oom_adj = OOM_ADJUST_MIN;
         size_t len;
@@ -916,7 +916,7 @@ static ssize_t oom_adj_write(struct file *file, const char __user *buf,
                 goto out;
         }
 
-        task = get_proc_task(file->f_path.dentry->d_inode);
+        task = get_proc_task(file_inode(file));
         if (!task) {
                 err = -ESRCH;
                 goto out;
@@ -976,7 +976,7 @@ static const struct file_operations proc_oom_adj_operations = {
 static ssize_t oom_score_adj_read(struct file *file, char __user *buf,
                                         size_t count, loff_t *ppos)
 {
-        struct task_struct *task = get_proc_task(file->f_path.dentry->d_inode);
+        struct task_struct *task = get_proc_task(file_inode(file));
         char buffer[PROC_NUMBUF];
         short oom_score_adj = OOM_SCORE_ADJ_MIN;
         unsigned long flags;
@@ -1019,7 +1019,7 @@ static ssize_t oom_score_adj_write(struct file *file, const char __user *buf,
                 goto out;
         }
 
-        task = get_proc_task(file->f_path.dentry->d_inode);
+        task = get_proc_task(file_inode(file));
         if (!task) {
                 err = -ESRCH;
                 goto out;
@@ -1067,7 +1067,7 @@ static const struct file_operations proc_oom_score_adj_operations = {
 static ssize_t proc_loginuid_read(struct file * file, char __user * buf,
                                   size_t count, loff_t *ppos)
 {
-        struct inode * inode = file->f_path.dentry->d_inode;
+        struct inode * inode = file_inode(file);
         struct task_struct *task = get_proc_task(inode);
         ssize_t length;
         char tmpbuf[TMPBUFLEN];
@@ -1084,7 +1084,7 @@ static ssize_t proc_loginuid_read(struct file * file, char __user * buf,
 static ssize_t proc_loginuid_write(struct file * file, const char __user * buf,
                                    size_t count, loff_t *ppos)
 {
-        struct inode * inode = file->f_path.dentry->d_inode;
+        struct inode * inode = file_inode(file);
         char *page, *tmp;
         ssize_t length;
         uid_t loginuid;
@@ -1142,7 +1142,7 @@ static const struct file_operations proc_loginuid_operations = {
 static ssize_t proc_sessionid_read(struct file * file, char __user * buf,
                                   size_t count, loff_t *ppos)
 {
-        struct inode * inode = file->f_path.dentry->d_inode;
+        struct inode * inode = file_inode(file);
         struct task_struct *task = get_proc_task(inode);
         ssize_t length;
         char tmpbuf[TMPBUFLEN];
@@ -1165,7 +1165,7 @@ static const struct file_operations proc_sessionid_operations = {
 static ssize_t proc_fault_inject_read(struct file * file, char __user * buf,
                                       size_t count, loff_t *ppos)
 {
-        struct task_struct *task = get_proc_task(file->f_dentry->d_inode);
+        struct task_struct *task = get_proc_task(file_inode(file));
         char buffer[PROC_NUMBUF];
         size_t len;
         int make_it_fail;
@@ -1197,7 +1197,7 @@ static ssize_t proc_fault_inject_write(struct file * file,
         make_it_fail = simple_strtol(strstrip(buffer), &end, 0);
         if (*end)
                 return -EINVAL;
-        task = get_proc_task(file->f_dentry->d_inode);
+        task = get_proc_task(file_inode(file));
         if (!task)
                 return -ESRCH;
         task->make_it_fail = make_it_fail;
@@ -1237,7 +1237,7 @@ static ssize_t
 sched_write(struct file *file, const char __user *buf,
             size_t count, loff_t *offset)
 {
-        struct inode *inode = file->f_path.dentry->d_inode;
+        struct inode *inode = file_inode(file);
         struct task_struct *p;
 
         p = get_proc_task(inode);
@@ -1288,7 +1288,7 @@ static ssize_t
 sched_autogroup_write(struct file *file, const char __user *buf,
             size_t count, loff_t *offset)
 {
-        struct inode *inode = file->f_path.dentry->d_inode;
+        struct inode *inode = file_inode(file);
         struct task_struct *p;
         char buffer[PROC_NUMBUF];
         int nice;
@@ -1343,7 +1343,7 @@ static const struct file_operations proc_pid_sched_autogroup_operations = {
 static ssize_t comm_write(struct file *file, const char __user *buf,
                                 size_t count, loff_t *offset)
 {
-        struct inode *inode = file->f_path.dentry->d_inode;
+        struct inode *inode = file_inode(file);
         struct task_struct *p;
         char buffer[TASK_COMM_LEN];
 
@@ -2146,7 +2146,7 @@ out_no_task:
 static ssize_t proc_pid_attr_read(struct file * file, char __user * buf,
                                   size_t count, loff_t *ppos)
 {
-        struct inode * inode = file->f_path.dentry->d_inode;
+        struct inode * inode = file_inode(file);
         char *p = NULL;
         ssize_t length;
         struct task_struct *task = get_proc_task(inode);
@@ -2167,7 +2167,7 @@ static ssize_t proc_pid_attr_read(struct file * file, char __user * buf,
 static ssize_t proc_pid_attr_write(struct file * file, const char __user * buf,
                                    size_t count, loff_t *ppos)
 {
-        struct inode * inode = file->f_path.dentry->d_inode;
+        struct inode * inode = file_inode(file);
         char *page;
         ssize_t length;
         struct task_struct *task = get_proc_task(inode);
@@ -2256,7 +2256,7 @@ static const struct inode_operations proc_attr_dir_inode_operations = {
 static ssize_t proc_coredump_filter_read(struct file *file, char __user *buf,
                                          size_t count, loff_t *ppos)
 {
-        struct task_struct *task = get_proc_task(file->f_dentry->d_inode);
+        struct task_struct *task = get_proc_task(file_inode(file));
         struct mm_struct *mm;
         char buffer[PROC_NUMBUF];
         size_t len;
@@ -2308,7 +2308,7 @@ static ssize_t proc_coredump_filter_write(struct file *file,
                 goto out_no_task;
 
         ret = -ESRCH;
-        task = get_proc_task(file->f_dentry->d_inode);
+        task = get_proc_task(file_inode(file));
         if (!task)
                 goto out_no_task;
 
diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index 76ddae83daa5..7dfe548a28e8 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -42,7 +42,7 @@ static ssize_t
 __proc_file_read(struct file *file, char __user *buf, size_t nbytes,
                loff_t *ppos)
 {
-        struct inode * inode = file->f_path.dentry->d_inode;
+        struct inode * inode = file_inode(file);
         char    *page;
         ssize_t retval=0;
         int     eof=0;
@@ -188,7 +188,7 @@ static ssize_t
 proc_file_read(struct file *file, char __user *buf, size_t nbytes,
                loff_t *ppos)
 {
-        struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
+        struct proc_dir_entry *pde = PDE(file_inode(file));
         ssize_t rv = -EIO;
 
         spin_lock(&pde->pde_unload_lock);
@@ -209,7 +209,7 @@ static ssize_t
 proc_file_write(struct file *file, const char __user *buffer,
                 size_t count, loff_t *ppos)
 {
-        struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
+        struct proc_dir_entry *pde = PDE(file_inode(file));
         ssize_t rv = -EIO;
 
         if (pde->write_proc) {
@@ -460,7 +460,7 @@ int proc_readdir_de(struct proc_dir_entry *de, struct file *filp, void *dirent,
 {
         unsigned int ino;
         int i;
-        struct inode *inode = filp->f_path.dentry->d_inode;
+        struct inode *inode = file_inode(filp);
         int ret = 0;
 
         ino = inode->i_ino;
@@ -522,7 +522,7 @@ out:
 
 int proc_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
-        struct inode *inode = filp->f_path.dentry->d_inode;
+        struct inode *inode = file_inode(filp);
 
         return proc_readdir_de(PDE(inode), filp, dirent, filldir);
 }
diff --git a/fs/proc/inode.c b/fs/proc/inode.c
index 439ae6886507..38f5c119b806 100644
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -144,7 +144,7 @@ void pde_users_dec(struct proc_dir_entry *pde)
 
 static loff_t proc_reg_llseek(struct file *file, loff_t offset, int whence)
 {
-        struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
+        struct proc_dir_entry *pde = PDE(file_inode(file));
         loff_t rv = -EINVAL;
         loff_t (*llseek)(struct file *, loff_t, int);
 
@@ -179,7 +179,7 @@ static loff_t proc_reg_llseek(struct file *file, loff_t offset, int whence)
 
 static ssize_t proc_reg_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
 {
-        struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
+        struct proc_dir_entry *pde = PDE(file_inode(file));
         ssize_t rv = -EIO;
         ssize_t (*read)(struct file *, char __user *, size_t, loff_t *);
 
@@ -201,7 +201,7 @@ static ssize_t proc_reg_read(struct file *file, char __user *buf, size_t count,
 
 static ssize_t proc_reg_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
 {
-        struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
+        struct proc_dir_entry *pde = PDE(file_inode(file));
         ssize_t rv = -EIO;
         ssize_t (*write)(struct file *, const char __user *, size_t, loff_t *);
 
@@ -223,7 +223,7 @@ static ssize_t proc_reg_write(struct file *file, const char __user *buf, size_t
 
 static unsigned int proc_reg_poll(struct file *file, struct poll_table_struct *pts)
 {
-        struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
+        struct proc_dir_entry *pde = PDE(file_inode(file));
         unsigned int rv = DEFAULT_POLLMASK;
         unsigned int (*poll)(struct file *, struct poll_table_struct *);
 
@@ -245,7 +245,7 @@ static unsigned int proc_reg_poll(struct file *file, struct poll_table_struct *p
 
 static long proc_reg_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
-        struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
+        struct proc_dir_entry *pde = PDE(file_inode(file));
         long rv = -ENOTTY;
         long (*ioctl)(struct file *, unsigned int, unsigned long);
 
@@ -268,7 +268,7 @@ static long proc_reg_unlocked_ioctl(struct file *file, unsigned int cmd, unsigne
 #ifdef CONFIG_COMPAT
 static long proc_reg_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
-        struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
+        struct proc_dir_entry *pde = PDE(file_inode(file));
         long rv = -ENOTTY;
         long (*compat_ioctl)(struct file *, unsigned int, unsigned long);
 
@@ -291,7 +291,7 @@ static long proc_reg_compat_ioctl(struct file *file, unsigned int cmd, unsigned
 
 static int proc_reg_mmap(struct file *file, struct vm_area_struct *vma)
 {
-        struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
+        struct proc_dir_entry *pde = PDE(file_inode(file));
         int rv = -EIO;
         int (*mmap)(struct file *, struct vm_area_struct *);
 
diff --git a/fs/proc/nommu.c b/fs/proc/nommu.c
index b1822dde55c2..ccfd99bd1c5a 100644
--- a/fs/proc/nommu.c
+++ b/fs/proc/nommu.c
@@ -45,7 +45,7 @@ static int nommu_region_show(struct seq_file *m, struct vm_region *region)
         file = region->vm_file;
 
         if (file) {
-                struct inode *inode = region->vm_file->f_path.dentry->d_inode;
+                struct inode *inode = file_inode(region->vm_file);
                 dev = inode->i_sb->s_dev;
                 ino = inode->i_ino;
         }
diff --git a/fs/proc/proc_net.c b/fs/proc/proc_net.c
index fe72cd073dea..75df0d731110 100644
--- a/fs/proc/proc_net.c
+++ b/fs/proc/proc_net.c
@@ -163,7 +163,7 @@ static int proc_tgid_net_readdir(struct file *filp, void *dirent,
         struct net *net;
 
         ret = -EINVAL;
-        net = get_proc_task_net(filp->f_path.dentry->d_inode);
+        net = get_proc_task_net(file_inode(filp));
         if (net != NULL) {
                 ret = proc_readdir_de(net->proc_net, filp, dirent, filldir);
                 put_net(net);
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 1827d88ad58b..612df79cc6a1 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -478,7 +478,7 @@ out:
 static ssize_t proc_sys_call_handler(struct file *filp, void __user *buf,
                 size_t count, loff_t *ppos, int write)
 {
-        struct inode *inode = filp->f_path.dentry->d_inode;
+        struct inode *inode = file_inode(filp);
         struct ctl_table_header *head = grab_header(inode);
         struct ctl_table *table = PROC_I(inode)->sysctl_entry;
         ssize_t error;
@@ -542,7 +542,7 @@ static int proc_sys_open(struct inode *inode, struct file *filp)
 
 static unsigned int proc_sys_poll(struct file *filp, poll_table *wait)
 {
-        struct inode *inode = filp->f_path.dentry->d_inode;
+        struct inode *inode = file_inode(filp);
         struct ctl_table_header *head = grab_header(inode);
         struct ctl_table *table = PROC_I(inode)->sysctl_entry;
         unsigned int ret = DEFAULT_POLLMASK;
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index ca5ce7f9f800..3e636d864d56 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -271,7 +271,7 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid)
         const char *name = NULL;
 
         if (file) {
-                struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
+                struct inode *inode = file_inode(vma->vm_file);
                 dev = inode->i_sb->s_dev;
                 ino = inode->i_ino;
                 pgoff = ((loff_t)vma->vm_pgoff) << PAGE_SHIFT;
@@ -743,7 +743,7 @@ static ssize_t clear_refs_write(struct file *file, const char __user *buf,
                 return rv;
         if (type < CLEAR_REFS_ALL || type > CLEAR_REFS_MAPPED)
                 return -EINVAL;
-        task = get_proc_task(file->f_path.dentry->d_inode);
+        task = get_proc_task(file_inode(file));
         if (!task)
                 return -ESRCH;
         mm = get_task_mm(task);
@@ -1015,7 +1015,7 @@ static int pagemap_hugetlb_range(pte_t *pte, unsigned long hmask,
 static ssize_t pagemap_read(struct file *file, char __user *buf,
                             size_t count, loff_t *ppos)
 {
-        struct task_struct *task = get_proc_task(file->f_path.dentry->d_inode);
+        struct task_struct *task = get_proc_task(file_inode(file));
         struct mm_struct *mm;
         struct pagemapread pm;
         int ret = -ESRCH;
diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c
index 1ccfa537f5f5..56123a6f462e 100644
--- a/fs/proc/task_nommu.c
+++ b/fs/proc/task_nommu.c
@@ -149,7 +149,7 @@ static int nommu_vma_show(struct seq_file *m, struct vm_area_struct *vma,
         file = vma->vm_file;
 
         if (file) {
-                struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
+                struct inode *inode = file_inode(vma->vm_file);
                 dev = inode->i_sb->s_dev;
                 ino = inode->i_ino;
                 pgoff = (loff_t)vma->vm_pgoff << PAGE_SHIFT;