[Pvfs2-developers] Review: readcaching code

Rob Ross rross at mcs.anl.gov
Thu Aug 30 10:06:07 EDT 2007


I thought so too :). -- Rob

Sam Lang wrote:
> 
> On Aug 30, 2007, at 8:37 AM, Robert Latham wrote:
> 
>> On Wed, Aug 29, 2007 at 03:43:29PM -0500, Rob Ross wrote:
>>> [catching up]
>>>
>>> I've always thought that the immutable bit meant that the data can't
>>> change; deleting is fine.
>>
>> There's no POSIX standard for fs attributes right?  So we're stuck
>> with whatever the man page chattr(1) claims:
> 
> I thought no standard meant we could do whatever we want. ;-)
> -sam
> 
>>
>>     "A file with the `i' attribute cannot be modified: it cannot be
>>     deleted or  renamed,  no  link  can  be created to this file and
>>     no data can be written to the file.  Only the superuser or a
>>     process possessing  the CAP_LINUX_IMMUTABLE capability can set or
>>     clear this attribute."
>>
>> ==rob
>>
>> -- 
>> Rob Latham
>> Mathematics and Computer Science Division    A215 0178 EA2D B059 8CDF
>> Argonne National Lab, IL USA                 B29D F333 664A 4280 315B
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> 


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