On Wed, Jul 05, 2006 at 07:29:49PM +0200, Jan Engelhardt wrote:
> >
> >To do this you would create a new sub-directory under your union and
> >then proceed to cat a new string into the branch ordering file for the
> >union. Here is an example of the commands
> >
> >cd /unionfs/union1
> >mkdir branch3
> >cd branch3
> >echo mypath > path
> >echo mymode > mode
> >#echo imap info if necessary
> >echo myimap > imap
> >#back to our directory for our union
> >cd ..
> >#this line will check the current against what is being
> >#written to this file to check if changes are necessary
> >#and will perform the correct operations (shifting, adding,
> >#deleting etc)
> >echo branch1,branch3,branch2 > branches
>
> This sounds awkward. Making a pseudofs (spelled with 'e') that lives
> between the parent vfsmount and the union vfsmount sounds like it breaks
> all logical rules.
I am not sure I'm following.
> I would much better see a unionctl that sends an ioctl or do a remount with
> all operations that should be atomic at once to the kernel.
We are trying to move away from ioctls because of their "magical" nature.
Jeff.
--
All science is either physics or stamp collecting.
- Ernest Rutherford
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