[Ocfs2-devel] a puzzle about is_global_system_inode function

[ge changwei]

On 24/10/2017 8:23 PM, Larry Chen wrote:
> On 10/24/2017 7:04 PM, Joseph Qi wrote:
>> GLOBAL_INODE_ALLOC_SYSTEM_INODE is used for system files inode
>> allocation, you can refer to ocfs2-tools for details.
> So it won't be used as an allocator after mkfs.ocfs2.  Is that true??
Hi Larry,
I think GLOBAL_INODE_ALLOC_SYSTEM_INODE system file is a reserved space 
for allocating inodes representing local allocater, etc.

So there is no chance for us to modify it since it has no relation with 
file space allocation and declaim.

So I suppose you are right, we won't use it anymore after mkfs until you 
have to tune it.

Thanks，
Changwei.

>
> Thanks,
> Larry Chen
>
>> Thanks,
>> Joseph
>>
>> On 17/10/24 18:39, Larry Chen wrote:
>>> Hi all,
>>>
>>> Function is_global_system_inode checks whether the type is
>>> in the range [OCFS2_FIRST_ONLINE_SYSTEM_INODE ,
>>> OCFS2_LAST_GLOBAL_SYSTEM_INODE ].
>>> But why the range does not include GLOBAL_INODE_ALLOC_SYSTEM_INODE ??
>>>
>>> enum {
>>>          ....
>>>           GLOBAL_INODE_ALLOC_SYSTEM_INODE,
>>>            SLOT_MAP_SYSTEM_INODE,
>>> #define OCFS2_FIRST_ONLINE_SYSTEM_INODE SLOT_MAP_SYSTEM_INODE
>>>            HEARTBEAT_SYSTEM_INODE,
>>>            GLOBAL_BITMAP_SYSTEM_INODE,
>>>            USER_QUOTA_SYSTEM_INODE,
>>>            GROUP_QUOTA_SYSTEM_INODE,
>>> #define OCFS2_LAST_GLOBAL_SYSTEM_INODE GROUP_QUOTA_SYSTEM_INODE
>>>        ....
>>> }
>>>
>>> Thanks
>>> Larry Chen
>>> _______________________________________________
>>> Ocfs2-devel mailing list
>>> Ocfs2-devel at oss.oracle.com
>>> https://oss.oracle.com/mailman/listinfo/ocfs2-devel
>>>
>
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