[PATCH 3/3] IB/HFI1: Use new get_user_pages_fast_longterm()

[ira . weiny]

From: Ira Weiny <ira.weiny@xxxxxxxxx>

Use the new get_user_pages_fast_longterm() call to protect against
FS DAX pages being mapped.

Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx>
---
 drivers/infiniband/hw/hfi1/user_pages.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/hfi1/user_pages.c b/drivers/infiniband/hw/hfi1/user_pages.c
index 24b592c6522e..b94ab5385a09 100644
--- a/drivers/infiniband/hw/hfi1/user_pages.c
+++ b/drivers/infiniband/hw/hfi1/user_pages.c
@@ -105,7 +105,7 @@ int hfi1_acquire_user_pages(struct mm_struct *mm, unsigned long vaddr, size_t np
 {
 	int ret;
 
-	ret = get_user_pages_fast(vaddr, npages, writable, pages);
+	ret = get_user_pages_fast_longterm(vaddr, npages, writable, pages);
 	if (ret < 0)
 		return ret;
 
-- 
2.20.1