attempting to compile linux-coda-6.8linux2.6 on redhat Enterprise 5.1

[Shane T. Drinkwater]

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Hello,

My name is Shane Drinkwater. I am new to the coda file system and have been working on a test box. When I tried to compile the Linux module portion of the coda system I get the following error.

[root@virtualtest linux-coda-6.8linux2.6]# make

make CONFIG_CODA_FS=m CPPFLAGS="-D__KERNEL__ -I/usr/src/linux-coda-6.8linux2.6 -Iinclude -include linux/autoconf.h" INSTALL_MOD_DIR=kernel/fs/coda -C /lib/modules/2.6.18-92.1.6.el5xen/build M=/usr/src/l

inux-coda-6.8linux2.6

make[1]: Entering directory `/usr/src/kernels/2.6.18-92.1.6.el5-xen-i686'

  LD      /usr/src/linux-coda-6.8linux2.6/built-in.o

  CC [M]  /usr/src/linux-coda-6.8linux2.6/psdev.o

  CC [M]  /usr/src/linux-coda-6.8linux2.6/cache.o

  CC [M]  /usr/src/linux-coda-6.8linux2.6/cnode.o

  CC [M]  /usr/src/linux-coda-6.8linux2.6/inode.o

  CC [M]  /usr/src/linux-coda-6.8linux2.6/dir.o

  CC [M]  /usr/src/linux-coda-6.8linux2.6/file.o

  CC [M]  /usr/src/linux-coda-6.8linux2.6/upcall.o

  CC [M]  /usr/src/linux-coda-6.8linux2.6/coda_linux.o

/usr/src/linux-coda-6.8linux2.6/coda_linux.c: In function âcoda_vattr_to_iattrâ:

/usr/src/linux-coda-6.8linux2.6/coda_linux.c:114: error: âstruct inodeâ has no member named âi_blksizeâ

make[2]: *** [/usr/src/linux-coda-6.8linux2.6/coda_linux.o] Error 1

make[1]: *** [_module_/usr/src/linux-coda-6.8linux2.6] Error 2

make[1]: Leaving directory `/usr/src/kernels/2.6.18-92.1.6.el5-xen-i686'

make: *** [all] Error 2

 

Is there a way around this issue?? I would like to stick with the “red hat” kernel instead of rolling my own.

                        Thank you

                                Shane

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[Jan Harkes]

On Fri, Jul 25, 2008 at 01:52:09PM -0500, Shane T. Drinkwater wrote:
> Is there a way around this issue?? I would like to stick with the "red
> hat" kernel instead of rolling my own.

It it quite likely that there already is a coda kernel module that came
with your default RHEL kernel image. You can check with, /sbin/modinfo coda


The build is probably failing because they backported a change that
breaks the kernel API from the official 2.6.19 kernel. A lot of these
things can't really be tested for there is no define to test for or
anything so we basically end up relying on the version number of the
first kernel.org released Linux kernel that contained the change.

This particular change was first introduced in 2.6.19-rc1 and I guess
your RHEL kernel is based on 2.6.18, so based on the kernel version the
inode data structure should still have i_blksize.

Jan