From mboxrd@z Thu Jan  1 00:00:00 1970
From: Edward Shishkin <edward.shishkin@gmail.com>
Subject: Re: reiser4 as a module
Date: Fri, 22 Oct 2010 14:46:51 +0200
Message-ID: <4CC187BB.6070402@gmail.com>
References: <AANLkTi=o5bXDxY4XKSYzcX9fX4yHZRC68=oMk0sikViS@mail.gmail.com> <4CC167D0.1050502@gmail.com> <AANLkTim4V9zJ9hzRxSWJwmMpicVKRpqB5GSrkZrTCgyD@mail.gmail.com>
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To: Viji V Nair <viji@fedoraproject.org>
Cc: reiserfs-devel <reiserfs-devel@vger.kernel.org>

Viji V Nair wrote:
> On Fri, Oct 22, 2010 at 4:00 PM, Edward Shishkin
> <edward.shishkin@gmail.com> wrote:
>   
>> Viji V Nair wrote:
>>     
>>> Hi,
>>>
>>>
>>>       
>> Hello.
>>
>>     
>>> I have been trying to build reiser4 as a module, but the module which
>>> is getting compiled having the "symbol" issue.
>>>
>>> <snip>
>>> reiser4: Unknown symbol lzo1x_1_compress
>>> reiser4: Unknown symbol might_fault
>>> reiser4: Unknown symbol mutex_lock_nested
>>> reiser4: Unknown symbol zlib_deflate
>>> reiser4: Unknown symbol writeback_inodes_wbc
>>> </snip>
>>>
>>>       
>> How to reproduce?
>>     
>
> 1. Download and install fedora kernel source package for latest fedora
> kernel (f13)
>   

Could you please provide a link to fedora's kernels
(I've lost my bookmarks), I'll try to take a look..

Edward.

> 2. Patch for reiser4
> 3. make the module (Warning of missing Module.symvers)
>
> # make CONFIG_REISER4_FS=m CONFIG_REISER4_DEBUG=n M=fs/reiser4
>
> 4. Insert the module
>
> # insmod fs/reiser4/reiser4.ko
> # insmod: error inserting 'fs/reiser4/reiser4.ko': -1 Unknown symbol in module
>
> # dmesg
>
> reiser4: Unknown symbol lzo1x_1_compress
> reiser4: Unknown symbol might_fault
> reiser4: Unknown symbol mutex_lock_nested
> reiser4: Unknown symbol zlib_deflate
> reiser4: Unknown symbol writeback_inodes_wbc
> reiser4: Unknown symbol zlib_deflateReset
> reiser4: Unknown symbol __raw_spin_lock_init
> reiser4: Unknown symbol generic_writeback_sb_inodes
> reiser4: Unknown symbol zlib_deflate_workspacesize
> reiser4: Unknown symbol zlib_deflateInit2
> reiser4: Unknown symbol inode_lock
> reiser4: Unknown symbol _raw_spin_unlock_irq
> reiser4: Unknown symbol _raw_spin_lock_nested
> reiser4: Unknown symbol _raw_read_unlock
> reiser4: Unknown symbol _raw_write_unlock
> reiser4: Unknown symbol debug_lockdep_rcu_enabled
> reiser4: Unknown symbol lock_acquire
> reiser4: Unknown symbol lock_release
> reiser4: Unknown symbol __rwlock_init
> reiser4: Unknown symbol writeback_skip_sb_inodes
> reiser4: Unknown symbol set_page_dirty_notag
> reiser4: Unknown symbol _raw_spin_unlock
> reiser4: Unknown symbol find_get_pages
> reiser4: Unknown symbol rcu_lock_map
>
>
>
>   
>> What stuff are you using?
>>     
>
> I am Fedora 13 x86_64
>
> # uname -a
> Linux dev06 2.6.34.7-56.fc13.x86_64 #1 SMP Wed Sep 15 03:36:55 UTC
> 2010 x86_64 x86_64 x86_64 GNU/Linux
>
>   
>> Thanks,
>> Edward.
>>
>>     
>>> I could see from the reiser4 2.6.34 patch that it is adding
>>> "EXPORT_SYMBOL" to few files in fs & mm directories of the kernel
>>> source tree. Can we have all these symbols defined in the core source
>>> tree of resier4 also? Do we have a patch for this already?
>>>
>>> Thanks
>>> Viji
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>>>
>>>
>>>       
>>     
>
>