fat: fat_notify_change() and check_mode() cleanup

- Rename fat_notify_change() to fat_setattr()
- check_mode() cleanup
- Change layout of code

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/linux/msdos_fs.h b/include/linux/msdos_fs.h
index f950921..c4bed98 100644
--- a/include/linux/msdos_fs.h
+++ b/include/linux/msdos_fs.h
@@ -401,7 +401,7 @@
 			     unsigned int cmd, unsigned long arg);
 extern const struct file_operations fat_file_operations;
 extern const struct inode_operations fat_file_inode_operations;
-extern int fat_notify_change(struct dentry * dentry, struct iattr * attr);
+extern int fat_setattr(struct dentry * dentry, struct iattr * attr);
 extern void fat_truncate(struct inode *inode);
 extern int fat_getattr(struct vfsmount *mnt, struct dentry *dentry,
 		       struct kstat *stat);