VFS: normal filesystems (and lustre): d_inode() annotations

that's the bulk of filesystem drivers dealing with inodes of their own

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c
index b8b92c2..af400ab 100644
--- a/fs/fat/namei_vfat.c
+++ b/fs/fat/namei_vfat.c
@@ -35,7 +35,7 @@
 {
 	int ret = 1;
 	spin_lock(&dentry->d_lock);
-	if (dentry->d_time != dentry->d_parent->d_inode->i_version)
+	if (dentry->d_time != d_inode(dentry->d_parent)->i_version)
 		ret = 0;
 	spin_unlock(&dentry->d_lock);
 	return ret;
@@ -47,7 +47,7 @@
 		return -ECHILD;
 
 	/* This is not negative dentry. Always valid. */
-	if (dentry->d_inode)
+	if (d_really_is_positive(dentry))
 		return 1;
 	return vfat_revalidate_shortname(dentry);
 }
@@ -67,7 +67,7 @@
 	 * positive dentry isn't good idea. So it's unsupported like
 	 * rename("filename", "FILENAME") for now.
 	 */
-	if (dentry->d_inode)
+	if (d_really_is_positive(dentry))
 		return 1;
 
 	/*
@@ -803,7 +803,7 @@
 
 static int vfat_rmdir(struct inode *dir, struct dentry *dentry)
 {
-	struct inode *inode = dentry->d_inode;
+	struct inode *inode = d_inode(dentry);
 	struct super_block *sb = dir->i_sb;
 	struct fat_slot_info sinfo;
 	int err;
@@ -834,7 +834,7 @@
 
 static int vfat_unlink(struct inode *dir, struct dentry *dentry)
 {
-	struct inode *inode = dentry->d_inode;
+	struct inode *inode = d_inode(dentry);
 	struct super_block *sb = dir->i_sb;
 	struct fat_slot_info sinfo;
 	int err;
@@ -917,8 +917,8 @@
 	struct super_block *sb = old_dir->i_sb;
 
 	old_sinfo.bh = sinfo.bh = dotdot_bh = NULL;
-	old_inode = old_dentry->d_inode;
-	new_inode = new_dentry->d_inode;
+	old_inode = d_inode(old_dentry);
+	new_inode = d_inode(new_dentry);
 	mutex_lock(&MSDOS_SB(sb)->s_lock);
 	err = vfat_find(old_dir, &old_dentry->d_name, &old_sinfo);
 	if (err)