FAT, NTFS, CIFS and DOS attributes

Michael B Allen mba2000 at ioplex.com
Mon Jan 3 23:48:41 GMT 2005

H. Peter Anvin said:
> Michael B Allen wrote:
>>>b) if xattr is the right thing, shouldn't this be in the system
>>>namespace rather than the user namespace?
>> If we're just thinking about MS-oriented discretionary access control
>> then
>> I think the owner of the file is basically king and should be the only
>> normal user to that can read and write it's xattrs. So whatever
>> namespace
>> that is (not system).
> system namespace means that it's a name defined by the kernel as opposed
> to a name defined by the user.  One of the most glaring design errors in
> this whole thing, in my opinion, but if we're going to use xattrs we
> probably should stick with it.
> Thus, I'd propose:
> 	system.dosattrib	- DOS attributes (single byte)
> 	system.dosshortname	- DOS short name (e.g. for VFAT)

Oh, from the man page I thought 'system' attributes were "extended
attributes to which ordinary processes should not have access". Is that
not true? If it is true, how would an ordinary user change these attrs?


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