---
 fs/sysfs/dir.c |    8 ++++++++
 1 file changed, 8 insertions(+)

Index: tree0/fs/sysfs/dir.c
===================================================================
--- tree0.orig/fs/sysfs/dir.c
+++ tree0/fs/sysfs/dir.c
@@ -268,6 +268,9 @@ static void sysfs_deactivate(struct sysf
 	DECLARE_COMPLETION_ONSTACK(wait);
 	int v;
 
+	if (sd->s_sibling || !(sd->s_flags & SYSFS_FLAG_REMOVED))
+		printk("XXX sysfs_deactivate: sd=%p s_sibling=%p s_flags=0x%x\n",
+		       sd, sd->s_sibling, sd->s_flags);
 	BUG_ON(sd->s_sibling || !(sd->s_flags & SYSFS_FLAG_REMOVED));
 	sd->s_sibling = (void *)&wait;
 
@@ -530,6 +533,9 @@ void sysfs_remove_one(struct sysfs_addrm
 		drop_nlink(acxt->parent_inode);
 
 	acxt->cnt++;
+
+	printk("XXX sysfs_remove_one: acxt=%p sd=%p s_flags=0x%x cnt=%d\n",
+	       acxt, sd, sd->s_flags, acxt->cnt);
 }
 
 /**
@@ -624,6 +630,8 @@ int sysfs_addrm_finish(struct sysfs_addr
 		acxt->removed = sd->s_sibling;
 		sd->s_sibling = NULL;
 
+		printk("XXX sysfs_addrm_finish: acxt=%p sd=%p s_sibling=%p s_flags=0x%x\n",
+		       acxt, sd, sd->s_sibling, sd->s_flags);
 		sysfs_drop_dentry(sd);
 		sysfs_deactivate(sd);
 		sysfs_put(sd);