On Wed, Jul 13, 2011 at 11:49 PM, Adil Mujeeb <mujeeb.adil@gmail.com> wrote:
Hi List,
I am trying to compile a kernel module which uses the device mapper header files (dm.h and dm-bio-list.h). I checked in the stock kernel source that these files are present under drivers/md directory.
When I try to build the module, it gives error for these header files as missing. I checked the Makefile and found that it includes the path (-I$(TOPDIR)/ drivers/md)
But when I check the content of this directory on my machine it doesn’t include the header files:
[root@localhost redhat]# ls /usr/src/kernels/2.6.18-8.el5-i686/drivers/md
Kconfig Makefile raid6test
[root@localhost redhat]#
While the other header files referred by the kernel module under include/linux directory exists.
My machine detail:
[adil@localhost ~]$ uname -a
Linux localhost.localdomain 2.6.18-8.el5 #1 SMP Fri Jan 26 14:15:21 EST 2007 i686 i686 i386 GNU/Linux
[adil@localhost ~]$
Thanks in advance.
Regards,
Adil Mujeeb
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Well technically these are internal files of dm module and not supposed to be used by external loadable kernel modules. So, what you see in /usr/src/kernels/2.6.18-8.el5-i686 directory is kernel-devel package against which you can compile module only if they are using include/linux headers files (as they are supposed to). But if you really want to compile against internal files of dm, please use complete kernel source package and compile it on your test machine. It will have everything you are looking including .c files as well. Thanks, Rajat