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-rw-r--r--block/bio.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/block/bio.c b/block/bio.c
index aa7354088008..db85c5753a76 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -1068,7 +1068,7 @@ static int bio_copy_to_iter(struct bio *bio, struct iov_iter iter)
return 0;
}
-static void bio_free_pages(struct bio *bio)
+void bio_free_pages(struct bio *bio)
{
struct bio_vec *bvec;
int i;
@@ -1076,6 +1076,7 @@ static void bio_free_pages(struct bio *bio)
bio_for_each_segment_all(bvec, bio, i)
__free_page(bvec->bv_page);
}
+EXPORT_SYMBOL(bio_free_pages);
/**
* bio_uncopy_user - finish previously mapped bio
@@ -1274,7 +1275,7 @@ struct bio *bio_map_user_iov(struct request_queue *q,
nr_pages += end - start;
/*
- * buffer must be aligned to at least hardsector size for now
+ * buffer must be aligned to at least logical block size for now
*/
if (uaddr & queue_dma_alignment(q))
return ERR_PTR(-EINVAL);