Re: [PATCH V3 02/16] block, bfq: add full hierarchical scheduling and cgroups support

From: kbuild test robot
Date: Wed Apr 12 2017 - 21:59:31 EST

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In reply to: Paolo Valente: "Re: [PATCH V3 02/16] block, bfq: add full hierarchical scheduling and cgroups support"
Next in thread: Paolo Valente: "[PATCH V3 07/16] block, bfq: reduce I/O latency for soft real-time applications"
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Hi Arianna,

[auto build test ERROR on block/for-next]
[also build test ERROR on v4.11-rc6 next-20170412]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Paolo-Valente/Introduce-the-BFQ-I-O-scheduler/20170412-021320
base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next
config: m32r-allyesconfig (attached as .config)
compiler: m32r-linux-gcc (GCC) 6.2.0
reproduce:
wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=m32r

Note: the linux-review/Paolo-Valente/Introduce-the-BFQ-I-O-scheduler/20170412-021320 HEAD 36eb6533f8b6705991185201f75e98880cd223f7 builds fine.
It only hurts bisectibility.

All error/warnings (new ones prefixed by >>):

^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
block/bfq-iosched.c:4559:13: error: invalid storage class for function 'bfq_bfqq_may_idle'
static bool bfq_bfqq_may_idle(struct bfq_queue *bfqq)
^~~~~~~~~~~~~~~~~
block/bfq-iosched.c:4602:13: error: invalid storage class for function 'bfq_bfqq_must_idle'
static bool bfq_bfqq_must_idle(struct bfq_queue *bfqq)
^~~~~~~~~~~~~~~~~~
block/bfq-iosched.c:4614:26: error: invalid storage class for function 'bfq_select_queue'
static struct bfq_queue *bfq_select_queue(struct bfq_data *bfqd)
^~~~~~~~~~~~~~~~
block/bfq-iosched.c:4714:24: error: invalid storage class for function 'bfq_dispatch_rq_from_bfqq'
static struct request *bfq_dispatch_rq_from_bfqq(struct bfq_data *bfqd,
^~~~~~~~~~~~~~~~~~~~~~~~~
block/bfq-iosched.c:4746:13: error: invalid storage class for function 'bfq_has_work'
static bool bfq_has_work(struct blk_mq_hw_ctx *hctx)
^~~~~~~~~~~~
block/bfq-iosched.c:4758:24: error: invalid storage class for function '__bfq_dispatch_request'
static struct request *__bfq_dispatch_request(struct blk_mq_hw_ctx *hctx)
^~~~~~~~~~~~~~~~~~~~~~
block/bfq-iosched.c:4843:24: error: invalid storage class for function 'bfq_dispatch_request'
static struct request *bfq_dispatch_request(struct blk_mq_hw_ctx *hctx)
^~~~~~~~~~~~~~~~~~~~
block/bfq-iosched.c:4862:13: error: invalid storage class for function 'bfq_put_queue'
static void bfq_put_queue(struct bfq_queue *bfqq)
^~~~~~~~~~~~~
block/bfq-iosched.c:4884:13: error: invalid storage class for function 'bfq_exit_bfqq'
static void bfq_exit_bfqq(struct bfq_data *bfqd, struct bfq_queue *bfqq)
^~~~~~~~~~~~~
block/bfq-iosched.c:4896:13: error: invalid storage class for function 'bfq_exit_icq_bfqq'
static void bfq_exit_icq_bfqq(struct bfq_io_cq *bic, bool is_sync)
^~~~~~~~~~~~~~~~~
block/bfq-iosched.c:4914:13: error: invalid storage class for function 'bfq_exit_icq'
static void bfq_exit_icq(struct io_cq *icq)
^~~~~~~~~~~~
block/bfq-iosched.c:4927:1: error: invalid storage class for function 'bfq_set_next_ioprio_data'
bfq_set_next_ioprio_data(struct bfq_queue *bfqq, struct bfq_io_cq *bic)
^~~~~~~~~~~~~~~~~~~~~~~~
block/bfq-iosched.c:4973:13: error: invalid storage class for function 'bfq_check_ioprio_change'
static void bfq_check_ioprio_change(struct bfq_io_cq *bic, struct bio *bio)
^~~~~~~~~~~~~~~~~~~~~~~
block/bfq-iosched.c:5001:13: error: invalid storage class for function 'bfq_init_bfqq'
static void bfq_init_bfqq(struct bfq_data *bfqd, struct bfq_queue *bfqq,
^~~~~~~~~~~~~
block/bfq-iosched.c:5036:27: error: invalid storage class for function 'bfq_async_queue_prio'
static struct bfq_queue **bfq_async_queue_prio(struct bfq_data *bfqd,
^~~~~~~~~~~~~~~~~~~~
block/bfq-iosched.c:5055:26: error: invalid storage class for function 'bfq_get_queue'
static struct bfq_queue *bfq_get_queue(struct bfq_data *bfqd,
^~~~~~~~~~~~~
block/bfq-iosched.c:5120:13: error: invalid storage class for function 'bfq_update_io_thinktime'
static void bfq_update_io_thinktime(struct bfq_data *bfqd,
^~~~~~~~~~~~~~~~~~~~~~~
block/bfq-iosched.c:5135:1: error: invalid storage class for function 'bfq_update_io_seektime'
bfq_update_io_seektime(struct bfq_data *bfqd, struct bfq_queue *bfqq,
^~~~~~~~~~~~~~~~~~~~~~
block/bfq-iosched.c:5157:13: error: invalid storage class for function 'bfq_update_idle_window'
static void bfq_update_idle_window(struct bfq_data *bfqd,
^~~~~~~~~~~~~~~~~~~~~~
block/bfq-iosched.c:5192:13: error: invalid storage class for function 'bfq_rq_enqueued'
static void bfq_rq_enqueued(struct bfq_data *bfqd, struct bfq_queue *bfqq,
^~~~~~~~~~~~~~~
block/bfq-iosched.c:5258:13: error: invalid storage class for function '__bfq_insert_request'
static void __bfq_insert_request(struct bfq_data *bfqd, struct request *rq)
^~~~~~~~~~~~~~~~~~~~
block/bfq-iosched.c:5270:13: error: invalid storage class for function 'bfq_insert_request'
static void bfq_insert_request(struct blk_mq_hw_ctx *hctx, struct request *rq,
^~~~~~~~~~~~~~~~~~
block/bfq-iosched.c:5305:13: error: invalid storage class for function 'bfq_insert_requests'
static void bfq_insert_requests(struct blk_mq_hw_ctx *hctx,
^~~~~~~~~~~~~~~~~~~
block/bfq-iosched.c:5317:13: error: invalid storage class for function 'bfq_update_hw_tag'
static void bfq_update_hw_tag(struct bfq_data *bfqd)
^~~~~~~~~~~~~~~~~
block/bfq-iosched.c:5342:13: error: invalid storage class for function 'bfq_completed_request'
static void bfq_completed_request(struct bfq_queue *bfqq, struct bfq_data *bfqd)
^~~~~~~~~~~~~~~~~~~~~
block/bfq-iosched.c:5373:13: error: invalid storage class for function 'bfq_put_rq_priv_body'
static void bfq_put_rq_priv_body(struct bfq_queue *bfqq)
^~~~~~~~~~~~~~~~~~~~
block/bfq-iosched.c:5380:13: error: invalid storage class for function 'bfq_put_rq_private'
static void bfq_put_rq_private(struct request_queue *q, struct request *rq)
^~~~~~~~~~~~~~~~~~
block/bfq-iosched.c:5425:12: error: invalid storage class for function 'bfq_get_rq_private'
static int bfq_get_rq_private(struct request_queue *q, struct request *rq,
^~~~~~~~~~~~~~~~~~
block/bfq-iosched.c:5468:13: error: invalid storage class for function 'bfq_idle_slice_timer_body'
static void bfq_idle_slice_timer_body(struct bfq_queue *bfqq)
^~~~~~~~~~~~~~~~~~~~~~~~~
block/bfq-iosched.c:5511:29: error: invalid storage class for function 'bfq_idle_slice_timer'
static enum hrtimer_restart bfq_idle_slice_timer(struct hrtimer *timer)
^~~~~~~~~~~~~~~~~~~~
block/bfq-iosched.c:5531:13: error: invalid storage class for function '__bfq_put_async_bfqq'
static void __bfq_put_async_bfqq(struct bfq_data *bfqd,
^~~~~~~~~~~~~~~~~~~~
block/bfq-iosched.c:5553:13: error: invalid storage class for function 'bfq_put_async_queues'
static void bfq_put_async_queues(struct bfq_data *bfqd, struct bfq_group *bfqg)
^~~~~~~~~~~~~~~~~~~~
block/bfq-iosched.c:5564:13: error: invalid storage class for function 'bfq_exit_queue'
static void bfq_exit_queue(struct elevator_queue *e)
^~~~~~~~~~~~~~
>> block/bfq-iosched.c:5590:13: error: invalid storage class for function 'bfq_init_root_group'
static void bfq_init_root_group(struct bfq_group *root_group,
^~~~~~~~~~~~~~~~~~~
block/bfq-iosched.c:5605:12: error: invalid storage class for function 'bfq_init_queue'
static int bfq_init_queue(struct request_queue *q, struct elevator_type *e)
^~~~~~~~~~~~~~
block/bfq-iosched.c:5699:13: error: invalid storage class for function 'bfq_slab_kill'
static void bfq_slab_kill(void)
^~~~~~~~~~~~~
block/bfq-iosched.c:5704:19: error: invalid storage class for function 'bfq_slab_setup'
static int __init bfq_slab_setup(void)
^~~~~~~~~~~~~~
block/bfq-iosched.c:5712:16: error: invalid storage class for function 'bfq_var_show'
static ssize_t bfq_var_show(unsigned int var, char *page)
^~~~~~~~~~~~
block/bfq-iosched.c:5717:16: error: invalid storage class for function 'bfq_var_store'
static ssize_t bfq_var_store(unsigned long *var, const char *page,
^~~~~~~~~~~~~
block/bfq-iosched.c:5740:15: error: invalid storage class for function 'bfq_fifo_expire_sync_show'
SHOW_FUNCTION(bfq_fifo_expire_sync_show, bfqd->bfq_fifo_expire[1], 2);
^
block/bfq-iosched.c:5730:16: note: in definition of macro 'SHOW_FUNCTION'
static ssize_t __FUNC(struct elevator_queue *e, char *page) \
^~~~~~
block/bfq-iosched.c:5741:15: error: invalid storage class for function 'bfq_fifo_expire_async_show'
SHOW_FUNCTION(bfq_fifo_expire_async_show, bfqd->bfq_fifo_expire[0], 2);
^
block/bfq-iosched.c:5730:16: note: in definition of macro 'SHOW_FUNCTION'
static ssize_t __FUNC(struct elevator_queue *e, char *page) \
^~~~~~
block/bfq-iosched.c:5730:1: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
static ssize_t __FUNC(struct elevator_queue *e, char *page) \
^
block/bfq-iosched.c:5741:1: note: in expansion of macro 'SHOW_FUNCTION'
SHOW_FUNCTION(bfq_fifo_expire_async_show, bfqd->bfq_fifo_expire[0], 2);
^~~~~~~~~~~~~
block/bfq-iosched.c:5742:15: error: invalid storage class for function 'bfq_back_seek_max_show'
SHOW_FUNCTION(bfq_back_seek_max_show, bfqd->bfq_back_max, 0);
^
block/bfq-iosched.c:5730:16: note: in definition of macro 'SHOW_FUNCTION'
static ssize_t __FUNC(struct elevator_queue *e, char *page) \
^~~~~~
block/bfq-iosched.c:5730:1: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
static ssize_t __FUNC(struct elevator_queue *e, char *page) \
^
block/bfq-iosched.c:5742:1: note: in expansion of macro 'SHOW_FUNCTION'
SHOW_FUNCTION(bfq_back_seek_max_show, bfqd->bfq_back_max, 0);
^~~~~~~~~~~~~
block/bfq-iosched.c:5743:15: error: invalid storage class for function 'bfq_back_seek_penalty_show'
SHOW_FUNCTION(bfq_back_seek_penalty_show, bfqd->bfq_back_penalty, 0);
^
block/bfq-iosched.c:5730:16: note: in definition of macro 'SHOW_FUNCTION'
static ssize_t __FUNC(struct elevator_queue *e, char *page) \
^~~~~~
block/bfq-iosched.c:5730:1: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
static ssize_t __FUNC(struct elevator_queue *e, char *page) \
^
block/bfq-iosched.c:5743:1: note: in expansion of macro 'SHOW_FUNCTION'
SHOW_FUNCTION(bfq_back_seek_penalty_show, bfqd->bfq_back_penalty, 0);
^~~~~~~~~~~~~
block/bfq-iosched.c:5744:15: error: invalid storage class for function 'bfq_slice_idle_show'
SHOW_FUNCTION(bfq_slice_idle_show, bfqd->bfq_slice_idle, 2);
^
block/bfq-iosched.c:5730:16: note: in definition of macro 'SHOW_FUNCTION'
static ssize_t __FUNC(struct elevator_queue *e, char *page) \
^~~~~~
block/bfq-iosched.c:5730:1: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
static ssize_t __FUNC(struct elevator_queue *e, char *page) \
^
block/bfq-iosched.c:5744:1: note: in expansion of macro 'SHOW_FUNCTION'
SHOW_FUNCTION(bfq_slice_idle_show, bfqd->bfq_slice_idle, 2);
^~~~~~~~~~~~~
block/bfq-iosched.c:5745:15: error: invalid storage class for function 'bfq_max_budget_show'
SHOW_FUNCTION(bfq_max_budget_show, bfqd->bfq_user_max_budget, 0);
^
block/bfq-iosched.c:5730:16: note: in definition of macro 'SHOW_FUNCTION'
static ssize_t __FUNC(struct elevator_queue *e, char *page) \
^~~~~~
block/bfq-iosched.c:5730:1: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
static ssize_t __FUNC(struct elevator_queue *e, char *page) \
^
block/bfq-iosched.c:5745:1: note: in expansion of macro 'SHOW_FUNCTION'
SHOW_FUNCTION(bfq_max_budget_show, bfqd->bfq_user_max_budget, 0);
^~~~~~~~~~~~~
block/bfq-iosched.c:5746:15: error: invalid storage class for function 'bfq_timeout_sync_show'
SHOW_FUNCTION(bfq_timeout_sync_show, bfqd->bfq_timeout, 1);
^
block/bfq-iosched.c:5730:16: note: in definition of macro 'SHOW_FUNCTION'
static ssize_t __FUNC(struct elevator_queue *e, char *page) \
^~~~~~
block/bfq-iosched.c:5730:1: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
static ssize_t __FUNC(struct elevator_queue *e, char *page) \
^
block/bfq-iosched.c:5746:1: note: in expansion of macro 'SHOW_FUNCTION'
SHOW_FUNCTION(bfq_timeout_sync_show, bfqd->bfq_timeout, 1);
^~~~~~~~~~~~~
block/bfq-iosched.c:5747:15: error: invalid storage class for function 'bfq_strict_guarantees_show'
SHOW_FUNCTION(bfq_strict_guarantees_show, bfqd->strict_guarantees, 0);
^
block/bfq-iosched.c:5730:16: note: in definition of macro 'SHOW_FUNCTION'
static ssize_t __FUNC(struct elevator_queue *e, char *page) \
--
block/bfq-iosched.c:5966:20: error: invalid storage class for function 'bfq_exit'
static void __exit bfq_exit(void)
^~~~~~~~
In file included from include/linux/printk.h:5:0,
from include/linux/kernel.h:13,
from include/linux/list.h:8,
from include/linux/module.h:9,
from block/bfq-iosched.c:90:
block/bfq-iosched.c:5975:13: error: initializer element is not constant
module_init(bfq_init);
^
include/linux/init.h:164:58: note: in definition of macro '__define_initcall'
__attribute__((__section__(".initcall" #id ".init"))) = fn;
^~
include/linux/init.h:198:24: note: in expansion of macro 'device_initcall'
#define __initcall(fn) device_initcall(fn)
^~~~~~~~~~~~~~~
include/linux/module.h:85:24: note: in expansion of macro '__initcall'
#define module_init(x) __initcall(x);
^~~~~~~~~~
block/bfq-iosched.c:5975:1: note: in expansion of macro 'module_init'
module_init(bfq_init);
^~~~~~~~~~~
block/bfq-iosched.c:5976:13: error: initializer element is not constant
module_exit(bfq_exit);
^
include/linux/init.h:201:50: note: in definition of macro '__exitcall'
static exitcall_t __exitcall_##fn __exit_call = fn
^~
block/bfq-iosched.c:5976:1: note: in expansion of macro 'module_exit'
module_exit(bfq_exit);
^~~~~~~~~~~
include/linux/init.h:201:2: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
static exitcall_t __exitcall_##fn __exit_call = fn
^
include/linux/module.h:97:24: note: in expansion of macro '__exitcall'
#define module_exit(x) __exitcall(x);
^~~~~~~~~~
block/bfq-iosched.c:5976:1: note: in expansion of macro 'module_exit'
module_exit(bfq_exit);
^~~~~~~~~~~
In file included from include/linux/module.h:18:0,
from block/bfq-iosched.c:90:
include/linux/moduleparam.h:27:3: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
struct __UNIQUE_ID(name) {}
^
include/linux/module.h:160:32: note: in expansion of macro '__MODULE_INFO'
#define MODULE_INFO(tag, info) __MODULE_INFO(tag, tag, info)
^~~~~~~~~~~~~
include/linux/module.h:204:32: note: in expansion of macro 'MODULE_INFO'
#define MODULE_AUTHOR(_author) MODULE_INFO(author, _author)
^~~~~~~~~~~
block/bfq-iosched.c:5978:1: note: in expansion of macro 'MODULE_AUTHOR'
MODULE_AUTHOR("Paolo Valente");
^~~~~~~~~~~~~
In file included from include/uapi/linux/stddef.h:1:0,
from include/linux/stddef.h:4,
from include/uapi/linux/posix_types.h:4,
from include/uapi/linux/types.h:13,
from include/linux/types.h:5,
from include/linux/list.h:4,
from include/linux/module.h:9,
from block/bfq-iosched.c:90:
include/linux/compiler-gcc.h:184:45: error: expected declaration or statement at end of input
#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
^
include/linux/compiler.h:56:23: note: in definition of macro '___PASTE'
#define ___PASTE(a,b) a##b
^
include/linux/compiler-gcc.h:184:29: note: in expansion of macro '__PASTE'
#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
^~~~~~~
include/linux/compiler.h:57:22: note: in expansion of macro '___PASTE'
#define __PASTE(a,b) ___PASTE(a,b)
^~~~~~~~
include/linux/compiler-gcc.h:184:37: note: in expansion of macro '__PASTE'
#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
^~~~~~~
include/linux/moduleparam.h:27:10: note: in expansion of macro '__UNIQUE_ID'
struct __UNIQUE_ID(name) {}
^~~~~~~~~~~
include/linux/module.h:160:32: note: in expansion of macro '__MODULE_INFO'
#define MODULE_INFO(tag, info) __MODULE_INFO(tag, tag, info)
^~~~~~~~~~~~~
include/linux/module.h:207:42: note: in expansion of macro 'MODULE_INFO'
#define MODULE_DESCRIPTION(_description) MODULE_INFO(description, _description)
^~~~~~~~~~~
block/bfq-iosched.c:5980:1: note: in expansion of macro 'MODULE_DESCRIPTION'
MODULE_DESCRIPTION("MQ Budget Fair Queueing I/O Scheduler");
^~~~~~~~~~~~~~~~~~
block/bfq-iosched.c: At top level:
block/bfq-iosched.c:712:13: warning: 'bfq_check_ioprio_change' declared 'static' but never defined [-Wunused-function]
static void bfq_check_ioprio_change(struct bfq_io_cq *bic, struct bio *bio);
^~~~~~~~~~~~~~~~~~~~~~~
block/bfq-iosched.c:713:13: warning: 'bfq_put_queue' used but never defined
static void bfq_put_queue(struct bfq_queue *bfqq);
^~~~~~~~~~~~~
block/bfq-iosched.c:714:26: warning: 'bfq_get_queue' used but never defined
static struct bfq_queue *bfq_get_queue(struct bfq_data *bfqd,
^~~~~~~~~~~~~
>> block/bfq-iosched.c:717:13: warning: 'bfq_put_async_queues' used but never defined
static void bfq_put_async_queues(struct bfq_data *bfqd, struct bfq_group *bfqg);
^~~~~~~~~~~~~~~~~~~~
block/bfq-iosched.c:718:13: warning: 'bfq_exit_bfqq' declared 'static' but never defined [-Wunused-function]
static void bfq_exit_bfqq(struct bfq_data *bfqd, struct bfq_queue *bfqq);
^~~~~~~~~~~~~
block/bfq-iosched.c:3632:13: warning: 'bfq_bfqq_expire' used but never defined
static void bfq_bfqq_expire(struct bfq_data *bfqd,
^~~~~~~~~~~~~~~
block/bfq-iosched.c:5553:13: warning: 'bfq_put_async_queues' defined but not used [-Wunused-function]
static void bfq_put_async_queues(struct bfq_data *bfqd, struct bfq_group *bfqg)
^~~~~~~~~~~~~~~~~~~~

vim +/bfq_init_root_group +5590 block/bfq-iosched.c

5525 if (bfqq)
5526 bfq_idle_slice_timer_body(bfqq);
5527
5528 return HRTIMER_NORESTART;
5529 }
5530
> 5531 static void __bfq_put_async_bfqq(struct bfq_data *bfqd,
5532 struct bfq_queue **bfqq_ptr)
5533 {
5534 struct bfq_queue *bfqq = *bfqq_ptr;
5535
5536 bfq_log(bfqd, "put_async_bfqq: %p", bfqq);
5537 if (bfqq) {
5538 bfq_bfqq_move(bfqd, bfqq, bfqd->root_group);
5539
5540 bfq_log_bfqq(bfqd, bfqq, "put_async_bfqq: putting %p, %d",
5541 bfqq, bfqq->ref);
5542 bfq_put_queue(bfqq);
5543 *bfqq_ptr = NULL;
5544 }
5545 }
5546
5547 /*
5548 * Release all the bfqg references to its async queues. If we are
5549 * deallocating the group these queues may still contain requests, so
5550 * we reparent them to the root cgroup (i.e., the only one that will
5551 * exist for sure until all the requests on a device are gone).
5552 */
5553 static void bfq_put_async_queues(struct bfq_data *bfqd, struct bfq_group *bfqg)
5554 {
5555 int i, j;
5556
5557 for (i = 0; i < 2; i++)
5558 for (j = 0; j < IOPRIO_BE_NR; j++)
5559 __bfq_put_async_bfqq(bfqd, &bfqg->async_bfqq[i][j]);
5560
5561 __bfq_put_async_bfqq(bfqd, &bfqg->async_idle_bfqq);
5562 }
5563
5564 static void bfq_exit_queue(struct elevator_queue *e)
5565 {
5566 struct bfq_data *bfqd = e->elevator_data;
5567 struct bfq_queue *bfqq, *n;
5568
5569 hrtimer_cancel(&bfqd->idle_slice_timer);
5570
5571 spin_lock_irq(&bfqd->lock);
5572 list_for_each_entry_safe(bfqq, n, &bfqd->idle_list, bfqq_list)
5573 bfq_deactivate_bfqq(bfqd, bfqq, false, false);
5574 spin_unlock_irq(&bfqd->lock);
5575
5576 hrtimer_cancel(&bfqd->idle_slice_timer);
5577
5578 #ifdef CONFIG_BFQ_GROUP_IOSCHED
5579 blkcg_deactivate_policy(bfqd->queue, &blkcg_policy_bfq);
5580 #else
5581 spin_lock_irq(&bfqd->lock);
5582 bfq_put_async_queues(bfqd, bfqd->root_group);
5583 kfree(bfqd->root_group);
5584 spin_unlock_irq(&bfqd->lock);
5585 #endif
5586
5587 kfree(bfqd);
5588 }
5589
> 5590 static void bfq_init_root_group(struct bfq_group *root_group,
5591 struct bfq_data *bfqd)
5592 {
5593 int i;

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