1 files changed, 23 insertions, 19 deletions

diff --git a/block/blk-core.c b/block/blk-core.c
index f8cb09951830..90e1ffdeb415 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1283,7 +1283,7 @@ get_rq:
 
 	if (test_bit(QUEUE_FLAG_SAME_COMP, &q->queue_flags) ||
 	    bio_flagged(bio, BIO_CPU_AFFINE))
-		req->cpu = smp_processor_id();
+		req->cpu = raw_smp_processor_id();
 
 	plug = current->plug;
 	if (plug) {
@@ -1361,29 +1361,27 @@ static int __init setup_fail_make_request(char *str)
 }
 __setup("fail_make_request=", setup_fail_make_request);
 
-static int should_fail_request(struct bio *bio)
+static bool should_fail_request(struct hd_struct *part, unsigned int bytes)
 {
-	struct hd_struct *part = bio->bi_bdev->bd_part;
-
-	if (part_to_disk(part)->part0.make_it_fail || part->make_it_fail)
-		return should_fail(&fail_make_request, bio->bi_size);
-
-	return 0;
+	return part->make_it_fail && should_fail(&fail_make_request, bytes);
 }
 
 static int __init fail_make_request_debugfs(void)
 {
-	return init_fault_attr_dentries(&fail_make_request,
-					"fail_make_request");
+	struct dentry *dir = fault_create_debugfs_attr("fail_make_request",
+						NULL, &fail_make_request);
+
+	return IS_ERR(dir) ? PTR_ERR(dir) : 0;
 }
 
 late_initcall(fail_make_request_debugfs);
 
 #else /* CONFIG_FAIL_MAKE_REQUEST */
 
-static inline int should_fail_request(struct bio *bio)
+static inline bool should_fail_request(struct hd_struct *part,
+					unsigned int bytes)
 {
-	return 0;
+	return false;
 }
 
 #endif /* CONFIG_FAIL_MAKE_REQUEST */
@@ -1466,6 +1464,7 @@ static inline void __generic_make_request(struct bio *bio)
 	old_dev = 0;
 	do {
 		char b[BDEVNAME_SIZE];
+		struct hd_struct *part;
 
 		q = bdev_get_queue(bio->bi_bdev);
 		if (unlikely(!q)) {
@@ -1489,7 +1488,10 @@ static inline void __generic_make_request(struct bio *bio)
 		if (unlikely(test_bit(QUEUE_FLAG_DEAD, &q->queue_flags)))
 			goto end_io;
 
-		if (should_fail_request(bio))
+		part = bio->bi_bdev->bd_part;
+		if (should_fail_request(part, bio->bi_size) ||
+		    should_fail_request(&part_to_disk(part)->part0,
+					bio->bi_size))
 			goto end_io;
 
 		/*
@@ -1700,15 +1702,14 @@ EXPORT_SYMBOL_GPL(blk_rq_check_limits);
 int blk_insert_cloned_request(struct request_queue *q, struct request *rq)
 {
 	unsigned long flags;
+	int where = ELEVATOR_INSERT_BACK;
 
 	if (blk_rq_check_limits(q, rq))
 		return -EIO;
 
-#ifdef CONFIG_FAIL_MAKE_REQUEST
-	if (rq->rq_disk && rq->rq_disk->part0.make_it_fail &&
-	    should_fail(&fail_make_request, blk_rq_bytes(rq)))
+	if (rq->rq_disk &&
+	    should_fail_request(&rq->rq_disk->part0, blk_rq_bytes(rq)))
 		return -EIO;
-#endif
 
 	spin_lock_irqsave(q->queue_lock, flags);
 
@@ -1718,7 +1719,10 @@ int blk_insert_cloned_request(struct request_queue *q, struct request *rq)
 	 */
 	BUG_ON(blk_queued_rq(rq));
 
-	add_acct_request(q, rq, ELEVATOR_INSERT_BACK);
+	if (rq->cmd_flags & (REQ_FLUSH|REQ_FUA))
+		where = ELEVATOR_INSERT_FLUSH;
+
+	add_acct_request(q, rq, where);
 	spin_unlock_irqrestore(q->queue_lock, flags);
 
 	return 0;
@@ -2275,7 +2279,7 @@ static bool blk_end_bidi_request(struct request *rq, int error,
  *     %false - we are done with this request
  *     %true  - still buffers pending for this request
  **/
-static bool __blk_end_bidi_request(struct request *rq, int error,
+bool __blk_end_bidi_request(struct request *rq, int error,
 				   unsigned int nr_bytes, unsigned int bidi_bytes)
 {
 	if (blk_update_bidi_request(rq, error, nr_bytes, bidi_bytes))