[Ocfs2-devel] [BUG] can not chmod to 777

[Sunil Mushran]

uhhh... I hope that this is NOT a precursor to dynamic resizing
of the volume too. :-)

Kurt Hackel wrote:

>Hi Xiaofeng,
>
>Unfortunately this is the normal behavior of OCFS.  When the filesystem
>was originally ported from Windows NT, there was no provision for root
>directory permissions (or any other permissions for that matter).  The
>only way to change the permissions on the root currently is to use the
>tuneocfs tool to change the permissions, uid and/or gid.
>
>If anyone wants to fix this, they would have to make a lock structure
>somewhere on the header of the disk (plenty of space there) and
>permanently set the OIN_MAP part of the lock structure to all nodes.
>Then you would have to handle the release part of that special lock to
>understand how to update the root inode when another node changes the
>permissions, etc.  Basically need to broadcast the change, and not
>continue doing anything locally that depends on the change until you
>have gotten a response from all live nodes.
>
>
>Thanks!
>-kurt
>
>
>On Wed, Apr 14, 2004 at 09:46:30AM +0800, Ling, Xiaofeng wrote:
>  
>
>>HI
>>	I create a directory /ocfs, and take it the mount point of ocfs2
>>filesystem, but I can not
>>use "chmod 777" to change its permission, it always shows 755.
>>Seems this breaks a lot LTP test cases.
>>I report it as bug 56.
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>>    
>>
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>