--- linux-2.6.16.i686/mm/msync.c.org
+++ linux-2.6.16.i686/mm/msync.c
@@ -206,12 +206,16 @@ asmlinkage long sys_msync(unsigned long file = vma->vm_file;
start = vma->vm_end;
if ((flags & MS_ASYNC) && file && nr_pages_dirtied) {
+ struct address_space *mapping = file->f_mapping;
+
get_file(file);
up_read(¤t->mm->mmap_sem);
- balance_dirty_pages_ratelimited_nr(file->f_mapping,
+ balance_dirty_pages_ratelimited_nr(mapping,
nr_pages_dirtied);
fput(file);
down_read(¤t->mm->mmap_sem);
+ if (test_and_clear_bit(AS_MCTIME, &mapping->flags))
+ inode_update_time(mapping->host);
vma = find_vma(current->mm, start);
} else if ((flags & MS_SYNC) && file &&
(vma->vm_flags & VM_SHARED)) {