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-rw-r--r--fs/bio.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/bio.c b/fs/bio.c
index 12da5db8682c..e23a63f4f7de 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -1393,6 +1393,18 @@ void bio_check_pages_dirty(struct bio *bio)
}
}
+#if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
+void bio_flush_dcache_pages(struct bio *bi)
+{
+ int i;
+ struct bio_vec *bvec;
+
+ bio_for_each_segment(bvec, bi, i)
+ flush_dcache_page(bvec->bv_page);
+}
+EXPORT_SYMBOL(bio_flush_dcache_pages);
+#endif
+
/**
* bio_endio - end I/O on a bio
* @bio: bio