Re: xfs file system w/ selinux?

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How does Fedora handle the size, does it use 256 or 512 be default? 
If its 256, shouldn't they change this?


On Fri, 08 Oct 2004 13:51:00 -0400, Christopher J. PeBenito
<cpebenito@xxxxxxxxxx> wrote:
> On Fri, 2004-10-08 at 13:29 -0400, Stephen Smalley wrote:
> > On Fri, 2004-10-08 at 13:23, Justin Conover wrote:
> > > Is there any downside to running xfs with selinux?
> > >
> > > I'm just testing(playing) with test2 and I was thinking of using
> > > lvm/xfs/selinux.  Choosing xfs because it is a good fs and easier to
> > > grow online than ext3.  Plus I'm just testing :)
> >
> > We haven't tried xfs with SELinux ourselves, but it _should_ work.
> > Please report any problems.  It has xattr handlers for the security
> > namespace.  There was an earlier problem with xfs preventing SELinux
> > from internally accessing the xattrs, but I believe that has been fixed.
> 
> The one catch is to use a larger inode size; 512 should be sufficient.
> XFS stores the xattr in the inode if there's enough space in it.
> Otherwise it has to allocate a whole block to store the xattr, which
> incurs a performance penalty and a waste of space.  The default size
> (256) isn't big enough for the context.  So when you mkfs, add -i
> size=512 to the command line options.
> 
> --
> Chris PeBenito
> Tresys Technology, LLC
> (410) 290-1411 x150
> 
>


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