new helper: file_inode(file)

[karo-tx-linux.git] / mm / nommu.c

diff --git a/mm/nommu.c b/mm/nommu.c
index 79c3cac87afa1d1f96fc9397f50bb370980e0a84..f87d2173d0d098bc359a6877f27650457652306d 100644 (file)
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -941,7 +941,7 @@ static int validate_mmap_request(struct file *file,
                 */
                mapping = file->f_mapping;
                if (!mapping)
-                       mapping = file->f_path.dentry->d_inode->i_mapping;
+                       mapping = file_inode(file)->i_mapping;
 
                capabilities = 0;
                if (mapping && mapping->backing_dev_info)
@@ -950,7 +950,7 @@ static int validate_mmap_request(struct file *file,
                if (!capabilities) {
                        /* no explicit capabilities set, so assume some
                         * defaults */
-                       switch (file->f_path.dentry->d_inode->i_mode & S_IFMT) {
+                       switch (file_inode(file)->i_mode & S_IFMT) {
                        case S_IFREG:
                        case S_IFBLK:
                                capabilities = BDI_CAP_MAP_COPY;
@@ -985,11 +985,11 @@ static int validate_mmap_request(struct file *file,
                            !(file->f_mode & FMODE_WRITE))
                                return -EACCES;
 
-                       if (IS_APPEND(file->f_path.dentry->d_inode) &&
+                       if (IS_APPEND(file_inode(file)) &&
                            (file->f_mode & FMODE_WRITE))
                                return -EACCES;
 
-                       if (locks_verify_locked(file->f_path.dentry->d_inode))
+                       if (locks_verify_locked(file_inode(file)))
                                return -EAGAIN;
 
                        if (!(capabilities & BDI_CAP_MAP_DIRECT))
@@ -1322,8 +1322,8 @@ unsigned long do_mmap_pgoff(struct file *file,
                                continue;
 
                        /* search for overlapping mappings on the same file */
-                       if (pregion->vm_file->f_path.dentry->d_inode !=
-                           file->f_path.dentry->d_inode)
+                       if (file_inode(pregion->vm_file) !=
+                           file_inode(file))
                                continue;
 
                        if (pregion->vm_pgoff >= pgend)