Re: making use of syscalls from kernelspace

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



<quote sender="Rupesh S">
> 
> Hi,
> 
> >maybe you have an idea of how i could create a file from kernel space?
> 
> This is not a good idea but if you really need it try doing this.
> 
> 	filp = filp_open("foo", O_CREAT | O_WRONLY | O_APPEND,
>                             S_IRUSR | S_IWUSR);
> 
> 
> Why this is not a god idea ?

You should leave this to a userspace auxiliary program or via a daemon
through a systems interface. You can see this example in the BSD Accounting
code.

Eugene
-- 
Eugene TEO -  <eugeneteo%null!cc!uic!edu> <http://www.anomalistic.org/>
1024D/14A0DDE5 print D851 4574 E357 469C D308  A01E 7321 A38A 14A0 DDE5
main(i) { putchar(182623909 >> (i-1) * 5&31|!!(i<7)<<6) && main(++i); }


--
Kernelnewbies: Help each other learn about the Linux kernel.
Archive:       http://mail.nl.linux.org/kernelnewbies/
FAQ:           http://kernelnewbies.org/faq/


[Index of Archives]     [Newbies FAQ]     [Linux Kernel Mentors]     [Linux Kernel Development]     [IETF Annouce]     [Git]     [Networking]     [Security]     [Bugtraq]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux SCSI]     [Linux ACPI]
  Powered by Linux