Hi Matias, [auto build test ERROR on next-20151112] [cannot apply to v4.3-rc7 v4.3-rc6 v4.3-rc5 v4.3]
url: https://github.com/0day-ci/linux/commits/Matias-Bj-rling/null_blk-register-as-a-LightNVM-device/20151113-024143 config: i386-allmodconfig (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=i386 All error/warnings (new ones prefixed by >>): drivers/block/null_blk.c: In function 'null_lnvm_destroy_dma_pool': >> drivers/block/null_blk.c:538:14: error: invalid storage class for function >> 'null_lnvm_dev_dma_alloc' static void *null_lnvm_dev_dma_alloc(struct request_queue *q, void *pool, ^ >> drivers/block/null_blk.c:538:1: warning: ISO C90 forbids mixed declarations >> and code [-Wdeclaration-after-statement] static void *null_lnvm_dev_dma_alloc(struct request_queue *q, void *pool, ^ >> drivers/block/null_blk.c:544:13: error: invalid storage class for function >> 'null_lnvm_dev_dma_free' static void null_lnvm_dev_dma_free(void *pool, void *entry, ^ >> drivers/block/null_blk.c:556:20: error: initializer element is not constant .dev_dma_alloc = null_lnvm_dev_dma_alloc, ^ drivers/block/null_blk.c:556:20: note: (near initialization for 'null_lnvm_dev_ops.dev_dma_alloc') drivers/block/null_blk.c:557:19: error: initializer element is not constant .dev_dma_free = null_lnvm_dev_dma_free, ^ drivers/block/null_blk.c:557:19: note: (near initialization for 'null_lnvm_dev_ops.dev_dma_free') >> drivers/block/null_blk.c:566:12: error: invalid storage class for function >> 'null_open' static int null_open(struct block_device *bdev, fmode_t mode) ^ >> drivers/block/null_blk.c:571:13: error: invalid storage class for function >> 'null_release' static void null_release(struct gendisk *disk, fmode_t mode) ^ drivers/block/null_blk.c:577:11: error: initializer element is not constant .open = null_open, ^ drivers/block/null_blk.c:577:11: note: (near initialization for 'null_fops.open') drivers/block/null_blk.c:578:13: error: initializer element is not constant .release = null_release, ^ drivers/block/null_blk.c:578:13: note: (near initialization for 'null_fops.release') >> drivers/block/null_blk.c:581:12: error: invalid storage class for function >> 'setup_commands' static int setup_commands(struct nullb_queue *nq) ^ >> drivers/block/null_blk.c:607:12: error: invalid storage class for function >> 'setup_queues' static int setup_queues(struct nullb *nullb) ^ >> drivers/block/null_blk.c:620:12: error: invalid storage class for function >> 'init_driver_queues' static int init_driver_queues(struct nullb *nullb) ^ >> drivers/block/null_blk.c:638:12: error: invalid storage class for function >> 'null_add_dev' static int null_add_dev(void) ^ >> drivers/block/null_blk.c:760:19: error: invalid storage class for function >> 'null_init' static int __init null_init(void) ^ >> drivers/block/null_blk.c:817:20: error: invalid storage class for function >> 'null_exit' static void __exit null_exit(void) ^ In file included from drivers/block/null_blk.c:1:0: include/linux/module.h:128:27: error: invalid storage class for function '__inittest' static inline initcall_t __inittest(void) \ ^ >> drivers/block/null_blk.c:831:1: note: in expansion of macro 'module_init' module_init(null_init); ^ >> drivers/block/null_blk.c:831:1: warning: 'alias' attribute ignored >> [-Wattributes] In file included from drivers/block/null_blk.c:1:0: include/linux/module.h:134:27: error: invalid storage class for function '__exittest' static inline exitcall_t __exittest(void) \ ^ >> drivers/block/null_blk.c:832:1: note: in expansion of macro 'module_exit' module_exit(null_exit); ^ include/linux/module.h:134:2: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement] static inline exitcall_t __exittest(void) \ ^ >> drivers/block/null_blk.c:832:1: note: in expansion of macro 'module_exit' module_exit(null_exit); ^ drivers/block/null_blk.c:832:1: warning: 'alias' attribute ignored [-Wattributes] In file included from include/linux/module.h:18:0, from drivers/block/null_blk.c:1: include/linux/moduleparam.h:21:1: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement] static const char __UNIQUE_ID(name)[] \ ^ include/linux/module.h:171:32: note: in expansion of macro '__MODULE_INFO' #define MODULE_INFO(tag, info) __MODULE_INFO(tag, tag, info) ^ include/linux/module.h:215:32: note: in expansion of macro 'MODULE_INFO' #define MODULE_AUTHOR(_author) MODULE_INFO(author, _author) ^ >> drivers/block/null_blk.c:834:1: note: in expansion of macro 'MODULE_AUTHOR' MODULE_AUTHOR("Jens Axboe <[email protected]>"); ^ >> drivers/block/null_blk.c:835:1: error: expected declaration or statement at >> end of input MODULE_LICENSE("GPL"); ^ drivers/block/null_blk.c: At top level: drivers/block/null_blk.c:533:13: warning: 'null_lnvm_destroy_dma_pool' defined but not used [-Wunused-function] static void null_lnvm_destroy_dma_pool(void *pool) ^ vim +/null_lnvm_dev_dma_alloc +538 drivers/block/null_blk.c 532 533 static void null_lnvm_destroy_dma_pool(void *pool) 534 { 535 mempool_destroy(pool); 536 537 > 538 static void *null_lnvm_dev_dma_alloc(struct request_queue *q, void > *pool, 539 gfp_t mem_flags, dma_addr_t *dma_handler) 540 { 541 return mempool_alloc(pool, mem_flags); 542 } 543 > 544 static void null_lnvm_dev_dma_free(void *pool, void *entry, 545 dma_addr_t dma_handler) 546 { 547 mempool_free(entry, pool); 548 } 549 550 static struct nvm_dev_ops null_lnvm_dev_ops = { 551 .identity = null_lnvm_id, 552 .submit_io = null_lnvm_submit_io, 553 554 .create_dma_pool = null_lnvm_create_dma_pool, 555 .destroy_dma_pool = null_lnvm_destroy_dma_pool, > 556 .dev_dma_alloc = null_lnvm_dev_dma_alloc, 557 .dev_dma_free = null_lnvm_dev_dma_free, 558 559 /* Simulate nvme protocol restriction */ 560 .max_phys_sect = 64, 561 }; 562 #else 563 static struct nvm_dev_ops null_lnvm_dev_ops; 564 #endif /* CONFIG_NVM */ 565 > 566 static int null_open(struct block_device *bdev, fmode_t mode) 567 { 568 return 0; 569 } 570 > 571 static void null_release(struct gendisk *disk, fmode_t mode) 572 { 573 } 574 575 static const struct block_device_operations null_fops = { 576 .owner = THIS_MODULE, > 577 .open = null_open, > 578 .release = null_release, 579 }; 580 > 581 static int setup_commands(struct nullb_queue *nq) 582 { 583 struct nullb_cmd *cmd; 584 int i, tag_size; 585 586 nq->cmds = kzalloc(nq->queue_depth * sizeof(*cmd), GFP_KERNEL); 587 if (!nq->cmds) 588 return -ENOMEM; 589 590 tag_size = ALIGN(nq->queue_depth, BITS_PER_LONG) / BITS_PER_LONG; 591 nq->tag_map = kzalloc(tag_size * sizeof(unsigned long), GFP_KERNEL); 592 if (!nq->tag_map) { 593 kfree(nq->cmds); 594 return -ENOMEM; 595 } 596 597 for (i = 0; i < nq->queue_depth; i++) { 598 cmd = &nq->cmds[i]; 599 INIT_LIST_HEAD(&cmd->list); 600 cmd->ll_list.next = NULL; 601 cmd->tag = -1U; 602 } 603 604 return 0; 605 } 606 > 607 static int setup_queues(struct nullb *nullb) 608 { 609 nullb->queues = kzalloc(submit_queues * sizeof(struct nullb_queue), 610 GFP_KERNEL); 611 if (!nullb->queues) 612 return -ENOMEM; 613 614 nullb->nr_queues = 0; 615 nullb->queue_depth = hw_queue_depth; 616 617 return 0; 618 } 619 > 620 static int init_driver_queues(struct nullb *nullb) 621 { 622 struct nullb_queue *nq; 623 int i, ret = 0; 624 625 for (i = 0; i < submit_queues; i++) { 626 nq = &nullb->queues[i]; 627 628 null_init_queue(nullb, nq); 629 630 ret = setup_commands(nq); 631 if (ret) 632 return ret; 633 nullb->nr_queues++; 634 } 635 return 0; 636 } 637 > 638 static int null_add_dev(void) 639 { 640 struct gendisk *disk; 641 struct nullb *nullb; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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