Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull fourth vfs update from Al Viro:
 "d_inode() annotations from David Howells (sat in for-next since before
  the beginning of merge window) + four assorted fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  RCU pathwalk breakage when running into a symlink overmounting something
  fix I_DIO_WAKEUP definition
  direct-io: only inc/dec inode->i_dio_count for file systems
  fs/9p: fix readdir()
  VFS: assorted d_backing_inode() annotations
  VFS: fs/inode.c helpers: d_inode() annotations
  VFS: fs/cachefiles: d_backing_inode() annotations
  VFS: fs library helpers: d_inode() annotations
  VFS: assorted weird filesystems: d_inode() annotations
  VFS: normal filesystems (and lustre): d_inode() annotations
  VFS: security/: d_inode() annotations
  VFS: security/: d_backing_inode() annotations
  VFS: net/: d_inode() annotations
  VFS: net/unix: d_backing_inode() annotations
  VFS: kernel/: d_inode() annotations
  VFS: audit: d_backing_inode() annotations
  VFS: Fix up some ->d_inode accesses in the chelsio driver
  VFS: Cachefiles should perform fs modifications on the top layer only
  VFS: AF_UNIX sockets should call mknod on the top layer only

fs/affs/amigaffs.c

@@ -138,7 +138,7 @@ affs_fix_dcache(struct inode *inode, u32 entry_ino)
 static int
 affs_remove_link(struct dentry *dentry)
 {
-	struct inode *dir, *inode = dentry->d_inode;
+	struct inode *dir, *inode = d_inode(dentry);
 	struct super_block *sb = inode->i_sb;
 	struct buffer_head *bh = NULL, *link_bh = NULL;
 	u32 link_ino, ino;
@@ -268,11 +268,11 @@ affs_remove_header(struct dentry *dentry)
 	struct buffer_head *bh = NULL;
 	int retval;
 
-	dir = dentry->d_parent->d_inode;
+	dir = d_inode(dentry->d_parent);
 	sb = dir->i_sb;
 
 	retval = -ENOENT;
-	inode = dentry->d_inode;
+	inode = d_inode(dentry);
 	if (!inode)
 		goto done;
 
@@ -471,10 +471,9 @@ affs_warning(struct super_block *sb, const char *function, const char *fmt, ...)
 bool
 affs_nofilenametruncate(const struct dentry *dentry)
 {
-	struct inode *inode = dentry->d_inode;
+	struct inode *inode = d_inode(dentry);
 
 	return affs_test_opt(AFFS_SB(inode->i_sb)->s_flags, SF_NO_TRUNCATE);
-
 }
 
 /* Check if the name is valid for a affs object. */

fs/affs/inode.c

@@ -213,7 +213,7 @@ affs_write_inode(struct inode *inode, struct writeback_control *wbc)
 int
 affs_notify_change(struct dentry *dentry, struct iattr *attr)
 {
-	struct inode *inode = dentry->d_inode;
+	struct inode *inode = d_inode(dentry);
 	int error;
 
 	pr_debug("notify_change(%lu,0x%x)\n", inode->i_ino, attr->ia_valid);

fs/affs/namei.c

@@ -251,7 +251,7 @@ int
 affs_unlink(struct inode *dir, struct dentry *dentry)
 {
 	pr_debug("%s(dir=%lu, %lu \"%pd\")\n", __func__, dir->i_ino,
-		 dentry->d_inode->i_ino, dentry);
+		 d_inode(dentry)->i_ino, dentry);
 
 	return affs_remove_header(dentry);
 }
@@ -320,7 +320,7 @@ int
 affs_rmdir(struct inode *dir, struct dentry *dentry)
 {
 	pr_debug("%s(dir=%lu, %lu \"%pd\")\n", __func__, dir->i_ino,
-		 dentry->d_inode->i_ino, dentry);
+		 d_inode(dentry)->i_ino, dentry);
 
 	return affs_remove_header(dentry);
 }
@@ -403,7 +403,7 @@ err:
 int
 affs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry)
 {
-	struct inode *inode = old_dentry->d_inode;
+	struct inode *inode = d_inode(old_dentry);
 
 	pr_debug("%s(%lu, %lu, \"%pd\")\n", __func__, inode->i_ino, dir->i_ino,
 		 dentry);
@@ -430,13 +430,13 @@ affs_rename(struct inode *old_dir, struct dentry *old_dentry,
 		return retval;
 
 	/* Unlink destination if it already exists */
-	if (new_dentry->d_inode) {
+	if (d_really_is_positive(new_dentry)) {
 		retval = affs_remove_header(new_dentry);
 		if (retval)
 			return retval;
 	}
 
-	bh = affs_bread(sb, old_dentry->d_inode->i_ino);
+	bh = affs_bread(sb, d_inode(old_dentry)->i_ino);
 	if (!bh)
 		return -EIO;