new helper: file_inode(file)

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

1 files changed, 4 insertions, 4 deletions

diff --git a/mm/mmap.c b/mm/mmap.c
index 35730ee9d515..22dfc01e9681 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -202,7 +202,7 @@ static void __remove_shared_vm_struct(struct vm_area_struct *vma,
                 struct file *file, struct address_space *mapping)
 {
         if (vma->vm_flags & VM_DENYWRITE)
-                atomic_inc(&file->f_path.dentry->d_inode->i_writecount);
+                atomic_inc(&file_inode(file)->i_writecount);
         if (vma->vm_flags & VM_SHARED)
                 mapping->i_mmap_writable--;
 
@@ -567,7 +567,7 @@ static void __vma_link_file(struct vm_area_struct *vma)
                 struct address_space *mapping = file->f_mapping;
 
                 if (vma->vm_flags & VM_DENYWRITE)
-                        atomic_dec(&file->f_path.dentry->d_inode->i_writecount);
+                        atomic_dec(&file_inode(file)->i_writecount);
                 if (vma->vm_flags & VM_SHARED)
                         mapping->i_mmap_writable++;
 
@@ -1217,7 +1217,7 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,
                         return -EAGAIN;
         }
 
-        inode = file ? file->f_path.dentry->d_inode : NULL;
+        inode = file ? file_inode(file) : NULL;
 
         if (file) {
                 switch (flags & MAP_TYPE) {
@@ -1403,7 +1403,7 @@ unsigned long mmap_region(struct file *file, unsigned long addr,
         int error;
         struct rb_node **rb_link, *rb_parent;
         unsigned long charged = 0;
-        struct inode *inode =  file ? file->f_path.dentry->d_inode : NULL;
+        struct inode *inode =  file ? file_inode(file) : NULL;
 
         /* Clear old maps */
         error = -ENOMEM;