diff options
Diffstat (limited to 'block/blk-core.c')
-rw-r--r-- | block/blk-core.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index 3bc5579d6f54..f84cce42fc58 100644 --- a/block/blk-core.c +++ b/block/blk-core.c | |||
@@ -467,6 +467,9 @@ static int blk_init_free_list(struct request_queue *q) | |||
467 | { | 467 | { |
468 | struct request_list *rl = &q->rq; | 468 | struct request_list *rl = &q->rq; |
469 | 469 | ||
470 | if (unlikely(rl->rq_pool)) | ||
471 | return 0; | ||
472 | |||
470 | rl->count[BLK_RW_SYNC] = rl->count[BLK_RW_ASYNC] = 0; | 473 | rl->count[BLK_RW_SYNC] = rl->count[BLK_RW_ASYNC] = 0; |
471 | rl->starved[BLK_RW_SYNC] = rl->starved[BLK_RW_ASYNC] = 0; | 474 | rl->starved[BLK_RW_SYNC] = rl->starved[BLK_RW_ASYNC] = 0; |
472 | rl->elvpriv = 0; | 475 | rl->elvpriv = 0; |
@@ -570,9 +573,17 @@ EXPORT_SYMBOL(blk_init_queue); | |||
570 | struct request_queue * | 573 | struct request_queue * |
571 | blk_init_queue_node(request_fn_proc *rfn, spinlock_t *lock, int node_id) | 574 | blk_init_queue_node(request_fn_proc *rfn, spinlock_t *lock, int node_id) |
572 | { | 575 | { |
573 | struct request_queue *q = blk_alloc_queue_node(GFP_KERNEL, node_id); | 576 | struct request_queue *uninit_q, *q; |
577 | |||
578 | uninit_q = blk_alloc_queue_node(GFP_KERNEL, node_id); | ||
579 | if (!uninit_q) | ||
580 | return NULL; | ||
581 | |||
582 | q = blk_init_allocated_queue_node(uninit_q, rfn, lock, node_id); | ||
583 | if (!q) | ||
584 | blk_cleanup_queue(uninit_q); | ||
574 | 585 | ||
575 | return blk_init_allocated_queue_node(q, rfn, lock, node_id); | 586 | return q; |
576 | } | 587 | } |
577 | EXPORT_SYMBOL(blk_init_queue_node); | 588 | EXPORT_SYMBOL(blk_init_queue_node); |
578 | 589 | ||
@@ -592,10 +603,8 @@ blk_init_allocated_queue_node(struct request_queue *q, request_fn_proc *rfn, | |||
592 | return NULL; | 603 | return NULL; |
593 | 604 | ||
594 | q->node = node_id; | 605 | q->node = node_id; |
595 | if (blk_init_free_list(q)) { | 606 | if (blk_init_free_list(q)) |
596 | kmem_cache_free(blk_requestq_cachep, q); | ||
597 | return NULL; | 607 | return NULL; |
598 | } | ||
599 | 608 | ||
600 | q->request_fn = rfn; | 609 | q->request_fn = rfn; |
601 | q->prep_rq_fn = NULL; | 610 | q->prep_rq_fn = NULL; |
@@ -618,7 +627,6 @@ blk_init_allocated_queue_node(struct request_queue *q, request_fn_proc *rfn, | |||
618 | return q; | 627 | return q; |
619 | } | 628 | } |
620 | 629 | ||
621 | blk_put_queue(q); | ||
622 | return NULL; | 630 | return NULL; |
623 | } | 631 | } |
624 | EXPORT_SYMBOL(blk_init_allocated_queue_node); | 632 | EXPORT_SYMBOL(blk_init_allocated_queue_node); |