Messages in this thread | | | Date | Thu, 18 Nov 1999 16:37:02 -0500 (EST) | From | Alexander Viro <> | Subject | Re: Transparent mounts |
| |
On 18 Nov 1999, Andrew Hilborne wrote:
> Chad Miller <cmiller@surfsouth.com> writes: > > > On Wed, Nov 17, 1999 at 09:26:41PM +0000, Riley Williams wrote: > > > Basically, one facility I could use is that of being able to mount two > > > or more partitions on top of each other and have all the files from > > > all of the partitions available for reading. This is what I call a > > > transparent mount. > > > > It sounds a lot like (BSD's?) union mount. > > It is also similar to the experimental BSD vpath. There is a paper somewhere on > this. Vpaths were stored in the kernel per-user as a stack. They then worked > rather like the makefile VPATH directive, indeed this is probably what inspired > it. > > A per-user vpath affected namei lookups. Apparently the kernel mods required > were small.
We have completely different VFS architecture in namespace-related parts. 4.4 doesn't have dcache, so...
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
| |