commit 496ad9aa8ef448058e36ca7a787c61f2e63f0f54
author Al Viro <viro@zeniv.linux.org.uk> Wed Jan 23 17:07:38 2013 -0500
committer Al Viro <viro@zeniv.linux.org.uk> Fri Feb 22 23:31:31 2013 -0500
tree 8f4abde793cd7db5bb8fde6d27ebcacd0e54379a
parent 57eccb830f1cc93d4b506ba306d8dfa685e0c88f

new helper: file_inode(file)

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

mm/mmap.c

diff --git a/mm/mmap.c b/mm/mmap.c
index 35730ee..22dfc01 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -202,7 +202,7 @@
 		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 @@
 		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 @@
 			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 @@
 	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;