--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -647,11 +647,20 @@ static int fuse_copy_fill(struct fuse_co
 	return lock_request(cs->fc, cs->req);
 }
 
+#ifdef DCACHE_BUG
+extern void (*fuse_flush_cache_all)(void);
+#endif
+
 /* Do as much copy to/from userspace buffer as we can */
 static int fuse_copy_do(struct fuse_copy_state *cs, void **val, unsigned *size)
 {
 	unsigned ncpy = min(*size, cs->len);
 	if (val) {
+#ifdef DCACHE_BUG
+		// patch from mailing list, it is very important, otherwise,
+		// can't mount, or ls mount point will hang
+		fuse_flush_cache_all();
+#endif
 		if (cs->write)
 			memcpy(cs->buf, *val, ncpy);
 		else
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -8,6 +8,7 @@
 
 #ifndef _FS_FUSE_I_H
 #define _FS_FUSE_I_H
+#define DCACHE_BUG
 
 #include <linux/fuse.h>
 #include <linux/fs.h>
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -1202,6 +1202,10 @@ static int __init fuse_init(void)
 	printk(KERN_INFO "fuse init (API version %i.%i)\n",
 	       FUSE_KERNEL_VERSION, FUSE_KERNEL_MINOR_VERSION);
 
+#ifdef DCACHE_BUG
+	printk("fuse init DCACHE_BUG workaround enabled\n");
+#endif
+
 	INIT_LIST_HEAD(&fuse_conn_list);
 	res = fuse_fs_init();
 	if (res)