[Pvfs2-users] pvfs-2.6.1 client compilation error

[Robert Latham]

On Thu, Jan 04, 2007 at 09:26:11PM +0530, Vikrant Kumar wrote:
> pvfs-2.6.1 fails while doing "make kmod". Any clues? Here is a small 
> snippet of the error.
> 
>  CC     
> /home/packages/sources/pvfs-2.6.1/src/kernel/linux-2.6/pvfs2.mod.o
>  LD [M] 
> /home/packages/sources/pvfs-2.6.1/src/kernel/linux-2.6/pvfs2.ko
>  CC            src/apps/kernel/linux/pvfs2-client-core.o
> src/apps/kernel/linux/pvfs2-client-core.c: In function
> `post_io_readahead_request':
> src/apps/kernel/linux/pvfs2-client-core.c:1417: error:
> `pvfs2_bufmap_desc_count' undeclared (first use in this function)
> src/apps/kernel/linux/pvfs2-client-core.c:1417: error: (Each
> undeclared identifier is reported only once
> src/apps/kernel/linux/pvfs2-client-core.c:1417: error: for each
> function it appears in.)
> make: *** [src/apps/kernel/linux/pvfs2-client-core.o] Error 1
> deva02:/home/packages/sources/pvfs-2.6.1 # ls src/apps/kernel/linux/

Hi Vikrant. 

That code (post_io_readahead_request) is protected by an ifdef (#ifdef
USE_MMAP_RA_CACHE).   did you configure pvfs with
--enable-mmap-racache ?   

The short-term workaround might be to re-run configure without that
option.  

It's definitely a bug on our end that we don't even compile when
mmap-racache is selected, but be warned that even if we fix the
compile issue, there were at one time some bugs with the mmap
readahead cache.  

==rob

-- 
Rob Latham
Mathematics and Computer Science Division    A215 0178 EA2D B059 8CDF
Argonne National Lab, IL USA                 B29D F333 664A 4280 315B