openwrt-xburst/target/linux/generic/patches-3.7/309-mips_fuse_workaround.patch

--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -39,6 +39,7 @@ void (*__flush_kernel_vmap_range)(unsign
 void (*__invalidate_kernel_vmap_range)(unsigned long vaddr, int size);
 
 EXPORT_SYMBOL_GPL(__flush_kernel_vmap_range);
+EXPORT_SYMBOL(__flush_cache_all);
 
 /* MIPS specific cache operations */
 void (*flush_cache_sigtramp)(unsigned long addr);
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -19,6 +19,9 @@
 #include <linux/pipe_fs_i.h>
 #include <linux/swap.h>
 #include <linux/splice.h>
+#ifdef CONFIG_MIPS
+#include <asm/cacheflush.h>
+#endif
 
 MODULE_ALIAS_MISCDEV(FUSE_MINOR);
 MODULE_ALIAS("devname:fuse");
@@ -654,6 +657,9 @@ static int fuse_copy_fill(struct fuse_co
 static int fuse_copy_do(struct fuse_copy_state *cs, void **val, unsigned *size)
 {
 	unsigned ncpy = min(*size, cs->len);
+#ifdef CONFIG_MIPS
+	__flush_cache_all();
+#endif
 	if (val) {
 		if (cs->write)
 			memcpy(cs->buf, *val, ncpy);