---
 fs/sysfs/dir.c   |    7 +++++--
 fs/sysfs/inode.c |    2 ++
 2 files changed, 7 insertions(+), 2 deletions(-)

Index: work1/fs/sysfs/dir.c
===================================================================
--- work1.orig/fs/sysfs/dir.c
+++ work1/fs/sysfs/dir.c
@@ -18,6 +18,8 @@ static void sysfs_d_iput(struct dentry *
 {
 	struct sysfs_dirent * sd = dentry->d_fsdata;
 
+	udelay(10);
+
 	if (sd) {
 		BUG_ON(sd->s_dentry != dentry);
 		sd->s_dentry = NULL;
@@ -538,9 +540,10 @@ static int sysfs_readdir(struct file * f
 
 				name = sysfs_get_name(next);
 				len = strlen(name);
-				if (next->s_dentry)
+				if (next->s_dentry) {
+					msleep(1);
 					ino = next->s_dentry->d_inode->i_ino;
-				else
+				} else
 					ino = iunique(sysfs_sb, 2);
 
 				if (filldir(dirent, name, len, filp->f_pos, ino,
Index: work1/fs/sysfs/inode.c
===================================================================
--- work1.orig/fs/sysfs/inode.c
+++ work1/fs/sysfs/inode.c
@@ -248,6 +248,8 @@ void sysfs_drop_dentry(struct sysfs_dire
 	struct dentry * dentry = sd->s_dentry;
 	struct inode *inode;
 
+	msleep(1);
+
 	if (dentry) {
 		spin_lock(&dcache_lock);
 		spin_lock(&dentry->d_lock);