函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\workqueue.c Create Date:2022-07-27 10:23:53
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：worker_pool_assign_id - allocate ID and assing it to @pool*@pool: the pool pointer of interest* Returns 0 if ID in [0, WORK_OFFQ_POOL_NONE) is allocated and assigned* successfully, -errno on failure.

函数原型：static int worker_pool_assign_id(struct worker_pool *pool)

返回类型：int

参数：

类型参数名称
struct worker_pool *pool
535  lockdep_assert_held( & wq_pool_mutex)
537  ret等于dr_alloc() - Allocate an ID.*@idr: IDR handle.*@ptr: Pointer to be associated with the new ID.*@start: The minimum ID (inclusive).*@end: The maximum ID (exclusive).*@gfp: Memory allocation flags.
539  如果ret大于等于0则
540  I: pool ID 等于ret
541  返回:0
543  返回:ret
调用者
名称描述
get_unbound_poolget_unbound_pool - get a worker_pool with the specified attributes*@attrs: the attributes of the worker_pool to get* Obtain a worker_pool which has the same attributes as @attrs, bump the* reference count and return it
workqueue_init_earlyworkqueue_init_early - early init for workqueue subsystem* This is the first half of two-staged workqueue subsystem initialization* and invoked as soon as the bare basics - memory allocation, cpumasks and* idr are up