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-rw-r--r--drivers/md/bcache/io.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/md/bcache/io.c b/drivers/md/bcache/io.c
index f565512f6fa..b4c0e28a7cd 100644
--- a/drivers/md/bcache/io.c
+++ b/drivers/md/bcache/io.c
@@ -38,6 +38,15 @@ static void bch_generic_make_request_hack(struct bio *bio)
bio = clone;
}
+ /*
+ * Hack, since drivers that clone bios clone up to bi_max_vecs, but our
+ * bios might have had more than that (before we split them per device
+ * limitations).
+ *
+ * To be taken out once immutable bvec stuff is in.
+ */
+ bio->bi_max_vecs = bio->bi_vcnt;
+
generic_make_request(bio);
}