函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\ioctl.c Create Date:2022-07-29 10:36:19
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:ksys_ioctl

函数原型:int ksys_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)

返回类型:int

参数:

类型参数名称
unsigned intfd
unsigned intcmd
unsigned longarg
743  f等于fdget(fd)
745  如果非file则返回:负EBADF
747  error等于security_file_ioctl(file, cmd, arg)
748  如果非errorerror等于When you add any new common ioctls to the switches above and below* please update compat_sys_ioctl() too.* do_vfs_ioctl() is not for drivers and not intended to be EXPORT_SYMBOL()'d.* It's just a simple helper for sys_ioctl and compat_sys_ioctl.
750  fdput(f)
751  返回:error
调用者
名称描述
rd_load_image
handle_initrd
md_setup_drive
autodetect_raid
SYSCALL_DEFINE3