Re: [PATCH 01/24] Unionfs: Documentation

[Shaya Potter]

On Mon, 2007-01-08 at 13:19 -0800, Andrew Morton wrote:
> On Mon, 8 Jan 2007 14:43:39 -0500 (EST) Shaya Potter <spotter@xxxxxxxxxxxxxxx> wrote:
> >  It's the same thing as modifying a block 
> > device while a file system is using it.  Now, when unionfs gets confused, 
> > it shouldn't oops, but would one expect ext3 to allow one to modify its 
> > backing store while its using it?
> 
> There's no such problem with bind mounts.  It's surprising to see such a
> restriction with union mounts.

the difference is bind mounts are a vfs construct, while unionfs is a
file system.

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