Merge branch 'slab/urgent' into slab/next

[pandora-kernel.git] / block / blk-core.c

diff --git a/block/blk-core.c b/block/blk-core.c
index f8cb099..b627558 100644 (file)
--- 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;
 
                /*
@@ -1704,11 +1706,9 @@ int blk_insert_cloned_request(struct request_queue *q, struct request *rq)
        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);