[Lustre-devel] ldiskfs build problem with rhel5.5

Jay Lan jay.zen.lan at gmail.com
Sun Dec 26 22:48:17 PST 2010

James Simmons wrote:
>> Hi,
>> I ran into a problem in building ldiskfs-3.1.4 with 2.6.18-194.3.1.el5 
>> kernel.
>> The kernel was patched with kernel patches provided by lustre-1.8.5 and
>> ldiskfs-3.1.4.
>> The problem I encountered was that the kernel and kernel-devel rpms
>> did not provide fs/ext4/*.[ch], which the build process would need.
>> Is there a kernel patch for this problem?
> Does it deal with export_decode_fh ? Do you build againt OFED 1.5.2 ? If 
> that is the case then I ran into that issue last week. OFED alters your 
> kernel to build the modules but it doesn't alter the source tree. When  
> lustre builds it looks at your source tree which is different then what 
> the biniaries export. The solution is to copy what is in include-nfs/linux 
> from OFED to your kernel source tree include/linux directory.

Hi James,

I was building against ofed 1.5.2, but I did not run into the
problem you described though. But thanks for sharing your


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