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-rw-r--r--mm/truncate.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/truncate.c b/mm/truncate.c
index cd3e34b816d..8fde6580657 100644
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -35,8 +35,10 @@ void do_invalidatepage(struct page *page, unsigned long offset)
{
void (*invalidatepage)(struct page *, unsigned long);
invalidatepage = page->mapping->a_ops->invalidatepage;
+#ifdef CONFIG_BLOCK
if (!invalidatepage)
invalidatepage = block_invalidatepage;
+#endif
if (invalidatepage)
(*invalidatepage)(page, offset);
}