From be3ca7fecb1a9903c6253f49aec0af2a0f3a04e4 Mon Sep 17 00:00:00 2001
From: Ian Kent <raven@themaw.net>
Date: Fri, 29 Sep 2006 02:00:53 -0700
Subject: [PATCH] [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 | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index 27e17f96cada..0ec24835239f 100644
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -359,7 +359,7 @@ static void *autofs4_follow_link(struct dentry *dentry, struct nameidata *nd)
* 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);