Since pvfs2.7.0.tar.gz as downloadable from
ftp://ftp.parl.clemson.edu/pub/pvfs2/pvfs-2.7.0.tar.gz does not compile
on redhat enterprise 4
systems, make: *** No rule to make target
`/usr/include/bits/syslog-path.h', needed by `src/server/unexpected.d'.
Stop.
I checked out the more recent 2.7.1pre sourcetree from CVS.
It does seem to compile just fine, however when I attempt to compile the
kernel-module, it complains because of the missing
function src/kernel/linux-2.6/devpvfs2-req.c:
class_device_destroy(pvfs2_dev_class, MKDEV(pvfs2_dev_major, 0)) and
in consequence the module created does not load.
My workaround is to edit pvfs2-config.h and take out the following
definition:
/* Define if kernel lacks device classes */
#define HAVE_KERNEL_DEVICE_CLASSES 1
After this and recompiling, the module works.
Note the following warnings:
CC [M] /root/pvfs2/src/kernel/linux-2.6/file.o
/root/pvfs2/src/kernel/linux-2.6/file.c: In function `check_mapping_tree':
/root/pvfs2/src/kernel/linux-2.6/file.c:802: warning: passing arg 1 of
`_read_lock' from incompatible pointer type
/root/pvfs2/src/kernel/linux-2.6/file.c:822: warning: passing arg 1 of
`_read_unlock' from incompatible pointer type
/root/pvfs2/src/kernel/linux-2.6/file.c: In function `locate_file_pages':
/root/pvfs2/src/kernel/linux-2.6/file.c:894: warning: passing arg 1 of
`_read_lock' from incompatible pointer type
/root/pvfs2/src/kernel/linux-2.6/file.c:915: warning: passing arg 1 of
`_read_unlock' from incompatible pointer type
/root/pvfs2/src/kernel/linux-2.6/file.c:918: warning: passing arg 1 of
`_read_lock' from incompatible pointer type
/root/pvfs2/src/kernel/linux-2.6/file.c:938: warning: passing arg 1 of
`_read_unlock' from incompatible pointer type
/root/pvfs2/src/kernel/linux-2.6/file.c: In function `do_readv_writev':
/root/pvfs2/src/kernel/linux-2.6/file.c:1133: warning: 'total_actual_io'
might be used uninitialized in this function
CC [M] /root/pvfs2/src/kernel/linux-2.6/inode.o
On a machine with the stock 2.6.9-55smp kernel, it seems to function in
spite of the compile time warnings,
however another more patched kernel crashes (still need to connect
serial console to it to capture the detail on that one)
Is this a known issue?
Which version of PVFS is best suited for running on RHEL4 - and what
level of confidence do the developers have with the outcome?
Michael
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