block: Add test-iosched scheduler
The test scheduler allows testing a block device by dispatching
specific requests according to the test case and declare PASS/FAIL
according to the requests completion error code
Change-Id: Ief91f9fed6e3c3c75627d27264d5252ea14f10ad
Signed-off-by: Maya Erez <merez@codeaurora.org>
diff --git a/block/blk-core.c b/block/blk-core.c
index 038d11f..68d7158 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -977,8 +977,6 @@
{
struct request *rq;
- BUG_ON(rw != READ && rw != WRITE);
-
spin_lock_irq(q->queue_lock);
if (gfp_mask & __GFP_WAIT)
rq = get_request_wait(q, rw, NULL);
@@ -1311,6 +1309,7 @@
req->ioprio = bio_prio(bio);
blk_rq_bio_prep(req->q, req, bio);
}
+EXPORT_SYMBOL(init_request_from_bio);
void blk_queue_bio(struct request_queue *q, struct bio *bio)
{