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-rw-r--r--fs/bio.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/fs/bio.c b/fs/bio.c
index 88322b066acb..25f1af0d81e5 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -721,12 +721,8 @@ static struct bio *__bio_map_user_iov(struct request_queue *q,
721 const int local_nr_pages = end - start; 721 const int local_nr_pages = end - start;
722 const int page_limit = cur_page + local_nr_pages; 722 const int page_limit = cur_page + local_nr_pages;
723 723
724 down_read(&current->mm->mmap_sem); 724 ret = get_user_pages_fast(uaddr, local_nr_pages,
725 ret = get_user_pages(current, current->mm, uaddr, 725 write_to_vm, &pages[cur_page]);
726 local_nr_pages,
727 write_to_vm, 0, &pages[cur_page], NULL);
728 up_read(&current->mm->mmap_sem);
729
730 if (ret < local_nr_pages) { 726 if (ret < local_nr_pages) {
731 ret = -EFAULT; 727 ret = -EFAULT;
732 goto out_unmap; 728 goto out_unmap;