Hi guys:
Onw question about create_dev ,which is in do_mounts_devfs.c(kernel
2.6.9) and in do_mounts.c(kernel 2.4.31)
i.e:
In init\do_mounts_initrd.c
Int __init initrd_load(void)
{
...
Create_dev("/dev/ram",Root_RAM1,NULL)
....
If (rd_load_image("/initrd.image") ........
}
Actually if I did not enable DEVFS in the make menuconfig
The create_dev won't be link into the image!
So that I will got this problem:
In the init/do_mounts_rd.c
Int __init rd_load_image(char *from)
{
...
Out_fd = sys_open("/dev/ram",O_RDWR,0);
....
}
It seems the rd_load_image will always fail because the create_dev does
not create /dev/ram?
In kernel 2.6.19
The create_dev change again:
In init/do_mounts.h
Statis inline int create_dev(....)
{
Sys_unlink(name);
Return sys_mknod(name,.......) (similar to what kernel 2.4 do)
}
Quite confused...
Regards
rui
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