函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\blk-settings.c Create Date:2022-07-27 18:39:08
Last Modify:2020-03-12 14:18:49 Copyright©Brick
首页 函数Tree
注解内核,赢得工具下载SCCTEnglish

函数名称：lk_queue_virt_boundary - set boundary rules for bio merging*@q: the request queue for the device*@mask: the memory boundary mask

函数原型：void blk_queue_virt_boundary(struct request_queue *q, unsigned long mask)

返回类型：void

参数：

类型参数名称
struct request_queue *q
unsigned longmask
748  virt_boundary_mask等于mask
756  如果mask则max_segment_size等于UINT_MAX
调用者
名称描述
blk_queue_can_use_dma_map_merginglk_queue_can_use_dma_map_merging - configure queue for merging segments.*@q: the request queue for the device*@dev: the device pointer for dma* Tell the block layer about merging the segments by dma map of @q.