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* Number of active block driver functions for which blk_drain_queue() * must wait. Must be incremented around functions that unlock the * queue_lock internally, e.g. scsi_request_fn(). */ unsigned int request_fn_active; unsigned int rq_timeout; struct timer_list timeout; struct work_s...
定义一个函数指针类型 函数原型为：int func( struct request_queue *, struct request **, struct bio *)比如有一个函数 int Func ( struct request_queue *, struct request **, struct bio *);elevator_merge_fn _myfunc = &Func;elevator_merge_fn _myfunc(XX,XX,XX); 就是调用了Func函...
#ifdefCONFIG_BLK_CGROUPstruct request_queue*throttle_queue;#endif #ifdefCONFIG_UPROBESstruct uprobe_task*utask;#endif #ifdefined(CONFIG_BCACHE)||defined(CONFIG_BCACHE_MODULE)unsigned int sequential_io;unsigned int sequential_io_avg;#endif #ifdefCONFIG_DEBUG_ATOMIC_SLEEPunsigned long task_state_chang...
inet_csk_listen_start函数通过reqsk_queue_alloc创建连接队列,队列结构体如下,队列的最大长度是sk_max_ack_backlog,也就是用户传入的backlog参数值,队列的长度计数是sk_ack_backlog。 structrequest_sock_queue{ spinlock_trskq_lock; u8 rskq_defer_accept; ...
linux struct request 结构 request结构体 struct request { struct list_head queuelist; unsigned long flags; sector_t sector;/*要传输的下一个扇区*/ unsigned long nr_sectors;/*要传送的扇区数目*/ unsigned int current_nr_sector;/*当前要传送的扇区*/...
request_queue_size = 5 def __init__(self, server_address, connect=True): self.server_address=server_address self.socket = socket.socket(self.address_family, self.socket_type) if connect: try: self.client_connect() except: self.client_close() ...
struct request_queue *throttle_queue; #endif#ifdef CONFIG_UPROBES struct uprobe_task *utask; #endif #if defined(CONFIG_BCACHE) || defined(CONFIG_BCACHE_MODULE) unsigned int sequential_io; unsigned int sequential_io_avg; #endif #ifdef CONFIG_DEBUG_ATOMIC_SLEEP ...
struct request_queue *q = bdev_get_queue(bdev); struct blk_trace *bt; u64 value; ssize_t ret = -EINVAL; @@ -1883,17 +1865,10 @@ static ssize_t sysfs_blk_trace_attr_store(struct device *dev, goto out; value = ret; } } else if (kstrtoull(buf, 0, &value)) ...
* @q: request queue @@ -146,13 +142,13 @@ EXPORT_SYMBOL(blk_rq_map_integrity_sg); */ int blk_integrity_compare(struct gendisk *gd1, struct gendisk *gd2) { struct blk_integrity *b1 = gd1->integrity; struct blk_integrity *b2 = gd2->integrity; struct blk_integrity *b1 = &gd1...