new helper: file_inode(file)

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

1 files changed, 6 insertions, 6 deletions

diff --git a/mm/nommu.c b/mm/nommu.c
index 79c3cac87afa..f87d2173d0d0 100644
--- 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)