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diff -ruN fuse-2.5.3.orig/kernel/dev.c fuse-2.5.3/kernel/dev.c
--- fuse-2.5.3.orig/kernel/dev.c 2006-02-02 19:04:52.000000000 +0200
+++ fuse-2.5.3/kernel/dev.c 2008-10-23 10:27:53.000000000 +0300
@@ -512,6 +512,9 @@
{
unsigned long offset;
int err;
+#ifdef DCACHE_BUG
+ struct vm_area_struct *vma;
+#endif
unlock_request(cs->req);
fuse_copy_finish(cs);
@@ -523,14 +526,22 @@
cs->nr_segs --;
}
down_read(¤t->mm->mmap_sem);
+#ifndef DCACHE_BUG
err = get_user_pages(current, current->mm, cs->addr, 1, cs->write, 0,
&cs->pg, NULL);
+#else
+ err = get_user_pages(current, current->mm, cs->addr, 1, cs->write, 0,
+ &cs->pg, &vma);
+#endif
up_read(¤t->mm->mmap_sem);
if (err < 0)
return err;
BUG_ON(err != 1);
offset = cs->addr % PAGE_SIZE;
cs->mapaddr = kmap_atomic(cs->pg, KM_USER0);
+#ifdef DCACHE_BUG
+ r4k_flush_cache_page(vma, cs->addr);
+#endif
cs->buf = cs->mapaddr + offset;
cs->len = min(PAGE_SIZE - offset, cs->seglen);
cs->seglen -= cs->len;
@@ -545,6 +556,11 @@
{
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
+ flush_cache_all();
+#endif
if (cs->write)
memcpy(cs->buf, *val, ncpy);
else
diff -ruN fuse-2.5.3.orig/kernel/fuse_i.h fuse-2.5.3/kernel/fuse_i.h
--- fuse-2.5.3.orig/kernel/fuse_i.h 2006-02-02 19:04:52.000000000 +0200
+++ fuse-2.5.3/kernel/fuse_i.h 2008-10-22 18:03:50.000000000 +0300
@@ -45,6 +45,10 @@
# endif
#endif
+//#if defined(__arm__) && LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
+#define DCACHE_BUG
+//#endif
+
#include "config.h"
#ifndef KERNEL_2_6
# include <linux/config.h>
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