Re: Unresolved generic_file_write_nolock

[Robert <robert@miraclelinux.com>]

Hi

I had solved this problem. I will describe in this email.

At frist, the error message for this issue is as below:

Loading xfs.o module
/lib/xfs.o : unresolved symbol generic_file_write_nolock
ERROR : /bin/insmod exited abnormally
creating block devices
mounting root filesystem
mount : error 19 mounting xfs
.........

I changed all

#if LINUX_VERSION_CODE >= KERNEL_VERSION(2.4.22) || defined\
(KERNEL_HAS_NEW_O_DIRECT)

in fs/xfs/linux/xfs_lrw.c to

#if LINUX_VERSION_CODE >= KERNEL_VERSION(2.4.21) || defined\
(KERNEL_HAS_NEW_O_DIRECT)

and rebuild, install kernel. Everything goes well now.

Please comment.

Thank you
Robert


Robert wrote:
> Hi XFS guys
> 
> I like to use XFS but I have a compile question for
> 
> xfs-modules-fs-modules-1.3.3-2.4.21-27.0.2.EL.sgi9.src.rpm
> 
> which is download from ftp://oss.sgi/com/projects/xfs/testing/RHEL3/
> 
> 
> I compiled it with kernel-2.4.21-37.EL with normal steps. Everything
> is ok and then I run the command installkernel but got below error 
> message like this:
> 
> depmod  ..... xfs.o
> Unresolved symble : generic_file_write_nolock
> 
> Then I had tried to find this function in 2.4.21-37EL and mainstream
> kernel-2.4.32, but it does not exist in them. I refer to SPEC file
> and found this generic_file_write_nolock() already deleted at
> linux-2.4.21-odirect.patch, no more exist. Even in the old kernel
> 2.4.21-20.EL, I can not find it.
> 
> This generic_file_write_nolock() is used in xfs/linux/xfs_lrw.c line 745
> 
> #if LINUX_VERSION_CODE >= KERNEL_VERSION(2.4.22) || defined\ 
> (KERNEL_HAS_NEW_O_DIRECT)
>    :
>    :
>    :
> #else
> retry :
>      if (ioflags & IO_ISDIRECT) {
>            xfs_inval_cached_pages(vp, io, *offset, 1, 1);
>      }
>      ret = generic_file_write_nolock(file, buf, size, offset);
> #endif
> 
> Logically, the #if KERNEL_VERSION_CODE is smaller than 2.4.22.
> The generic_file_write_nolock should be included by C preprocessor.
> So, could you guys tell me why the uploaded RPM:
> 
> xfs-modules-smp-1.3.3-2.4.21_27.0.2.EL.sgi9_sgi2.i686.rpm
> 
> does not included this function, generic_file_write_nolock?
> 
> and Did you compile the xfs-modules with the same kernel
> 2.4.21-27.0.2.EL.sgi9_sgi2?
> 
> I can not find generic_file_write_nolock in the System.map of the
> its uploaded RPM :
> 
>  kernel-smp-2.4.21-27.0.2.EL.sgi9.i686.rpm
> 
> This issue take my time for about 1 week and still not solved.
> Any comment is thankfully.
> 
> Best Regards
> Robert
>