函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\sed-opal.c Create Date:2022-07-27 19:47:42
Last Modify:2020-03-17 23:36:33 Copyright©Brick
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函数名称：opal_write_shadow_mbr

函数原型：static int opal_write_shadow_mbr(struct opal_dev *dev, struct opal_shadow_mbr *info)

返回类型：int

参数：

类型参数名称
struct opal_dev *dev
struct opal_shadow_mbr *info
2256  const struct opal_step mbr_steps[] = {{start_admin1LSP_opal_session, & key}, {write_shadow_mbr, info}, {end_opal_session, }}
2263  如果size恒等于0则返回:0
2266  mutex_lock( & dev_lock)
2267  setup_opal_dev(dev)
2268  ret等于execute_steps(dev, mbr_steps, ARRAY_SIZE - get the number of elements in array @arr*@arr: array to be sized(mbr_steps))
2269  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.
2271  返回:ret
调用者
名称描述
sed_ioctl