helper for reading ->d_count

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/autofs4/expire.c b/fs/autofs4/expire.c
index 13ddec9..3d9d3f5 100644
--- a/fs/autofs4/expire.c
+++ b/fs/autofs4/expire.c
@@ -109,7 +109,7 @@
 
 	spin_lock_nested(&q->d_lock, DENTRY_D_LOCK_NESTED);
 	/* Already gone or negative dentry (under construction) - try next */
-	if (q->d_count == 0 || !simple_positive(q)) {
+	if (!d_count(q) || !simple_positive(q)) {
 		spin_unlock(&q->d_lock);
 		next = q->d_u.d_child.next;
 		goto cont;
@@ -267,7 +267,7 @@
 			else
 				ino_count++;
 
-			if (p->d_count > ino_count) {
+			if (d_count(p) > ino_count) {
 				top_ino->last_used = jiffies;
 				dput(p);
 				return 1;
@@ -409,7 +409,7 @@
 		if (!exp_leaves) {
 			/* Path walk currently on this dentry? */
 			ino_count = atomic_read(&ino->count) + 1;
-			if (dentry->d_count > ino_count)
+			if (d_count(dentry) > ino_count)
 				goto next;
 
 			if (!autofs4_tree_busy(mnt, dentry, timeout, do_now)) {
@@ -423,7 +423,7 @@
 		} else {
 			/* Path walk currently on this dentry? */
 			ino_count = atomic_read(&ino->count) + 1;
-			if (dentry->d_count > ino_count)
+			if (d_count(dentry) > ino_count)
 				goto next;
 
 			expired = autofs4_check_leaves(mnt, dentry, timeout, do_now);