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/ext2/ialloc.c b/fs/ext2/ialloc.c
index 6c14bb8..5c04a0d 100644
--- a/fs/ext2/ialloc.c
+++ b/fs/ext2/ialloc.c
@@ -278,7 +278,7 @@
 	avefreeb = free_blocks / ngroups;
 	ndirs = percpu_counter_read_positive(&sbi->s_dirs_counter);
 
-	if ((parent == sb->s_root->d_inode) ||
+	if ((parent == d_inode(sb->s_root)) ||
 	    (EXT2_I(parent)->i_flags & EXT2_TOPDIR_FL)) {
 		struct ext2_group_desc *best_desc = NULL;
 		int best_ndir = inodes_per_group;