commit be3ca7fecb1a9903c6253f49aec0af2a0f3a04e4
author Ian Kent <raven@themaw.net> Fri Sep 29 02:00:53 2006 -0700
committer Linus Torvalds <torvalds@g5.osdl.org> Fri Sep 29 09:18:18 2006 -0700
tree 128cc5b9e66dbd426f7200c67eae325ab13cfd5c
parent 5b160f5ecd2f1b6df2e0015dc1f319c8ef803d62

[PATCH] autofs4: autofs4_follow_link false negative fix

The check for an empty directory in the autofs4_follow_link method fails
occassionally due to old dentrys.  We had the same problem
autofs4_revalidate ages ago.  I thought we wouldn't need this in
autofs4_follow_link, silly me.

Signed-off-by: Ian Kent <raven@themaw.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

fs/autofs4/root.c

diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index 27e17f9..0ec2483 100644
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -359,7 +359,7 @@
 	 * don't try to mount it again.
 	 */
 	spin_lock(&dcache_lock);
-	if (!d_mountpoint(dentry) && list_empty(&dentry->d_subdirs)) {
+	if (!d_mountpoint(dentry) && __simple_empty(dentry)) {
 		spin_unlock(&dcache_lock);
 
 		status = try_to_fill_dentry(dentry, 0);