[Ocfs2-devel] What are the purposes of GLOBAL_INODE_ALLOC_SYSTEM_INODE and BAD_BLOCK_SYSTEM_INODE system file
Gang He
ghe at suse.com
Sun Oct 9 18:51:41 PDT 2016
Hello Junxiao and Joseph,
Thank for your confirm.
-Gang
>>>
> Hi Gang,
> GLOBAL_INODE_ALLOC_SYSTEM_INODE is used for system file inodes
> allocation, you can refer mkfs.c for details.
>
> Thanks,
> Joseph
>
> On 2016/10/9 16:47, Gang He wrote:
>> Hello Guys,
>>
>> If you use debugfs.ocfs2 to list system files for a ocfs2 file system, you
> can find these two system files.
>> sles12sp1-node1:/ # debugfs.ocfs2 /dev/sdb1
>> debugfs.ocfs2 1.8.2
>> debugfs: ls //
>> 6 16 1 2 .
>> 6 16 2 2 ..
>> 7 24 10 1 bad_blocks << ==
> BAD_BLOCK_SYSTEM_INODE
>> 8 32 18 1 global_inode_alloc << ==
> GLOBAL_INODE_ALLOC_SYSTEM_INODE
>> ....
>>
>> But, What are the purposes of GLOBAL_INODE_ALLOC_SYSTEM_INODE and
> BAD_BLOCK_SYSTEM_INODE system file?
>> For BAD_BLOCK_SYSTEM_INODE system file, it looks to be used to store bad
> blocks for a file system partition, but from the code, there is not any code
> for this system file.
>> For GLOBAL_INODE_ALLOC_SYSTEM_INODE system file, there is also not any code
> for it, what is the purpose of this file ?
>>
>>
>> Thanks
>> Gang
>>
>>
>>
>>
>>
>> .
>>
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