Re: XATTR_PAX, paxmark.sh, elog, icedtea, and maybe more

On 12/19/14 01:51, James Taylor wrote:
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> On 2014/12/19 17:08, Karl-Johan Karlsson wrote:
>> On Thu 18 Dec 2014 19.58.11 Anthony G. Basile wrote:
>>> On 12/13/14 18:52, Karl-Johan Karlsson wrote:
>>>> So it works on ext4, but not ext3, even though both have the
> ext_attr flag
>>>> on disk. Any difference in kernel support?
>>>
>>> Because on ext3 you need to add user_xattr to the mount options.  Either
>>> `mount -o user_xattr` or in fstab in column 4 like this
>>>
>>> /dev/sdb5 /tmp    ext3 user_xattr 0 1
>>>
>>> Its automatic on ext4.  `man mount` for more info.  Please let me know
>>> if this works for you.
>>
>> Aha! I was unaware of that mount option. mount(8) documents it, but is
> unclear
>> on what the default value is. attr(5) says it's needed on ext2, ext3 and
>> reiserfs, but says nothing about ext4.
>>
>> Unfortunately, the machine is in production, and since it works
> without that
>> option when using the ext4 code to read ext3, I would prefer to leave
> it alone
>> for now.
>>

> Would mount -oremount,user_xattr be an option? Or am I missing the point :)'


This would probably work.


-- 
Anthony G. Basile, Ph. D.
Chair of Information Technology
D'Youville College
Buffalo, NY 14201
(716) 829-8197