函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\genhd.c Create Date:2022-07-27 18:53:02
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：blkdev_show

函数原型：void blkdev_show(struct seq_file *seqf, off_t offset)

返回类型：void

参数：

类型参数名称
struct seq_file *seqf
off_toffset
326  mutex_lock( & block_class_lock)
327  以dp循环如果major恒等于offset则
329  seq_printf(seqf, "%3d %s\n", major, name)
330  mutex_unlock - release the mutex*@lock: the mutex to be released* Unlock a mutex that has been locked by this task previously.* This function must not be used in interrupt context. Unlocking* of a not locked mutex is not allowed.