[Freedombox-discuss] InDisk -- does this technology exist in open source?

Rick C. Hodgin foxmuldrster at yahoo.com
Wed May 30 20:57:32 UTC 2012


The key point is assembling files which are presented to the app as 
files, but after requesting them from different sources over the net.  
The data also doesn't have to be in the literal file format that's 
presented to the user.

Suppose I access an overview.ods spreadsheet file on my K: drive (or 
/dev/whatever).  That file does not physically exist, but through InDisk 
is a logical file that assembles data from a MySQL database somewhere, 
queries whatever it's programmed to through the setup, and prepares the 
ods spreadsheet file on-the-fly when it's requested.  This allows the 
calling app to receive a file as it was designed to do, but no longer 
directly from a regular storage or network source.  It now gets an 
assembled file which presents as a real file, but all 
reads/writes/locks/unlocks/etc go through the InDrive layer, which then 
issues appropriate SQL updates back to the server, or if it's on another 
format, possibly git push's or whatever.

Does Linux/UNIX currently allow that as a generic virtual file system 

Best regards,
Rick C. Hodgin

On 05/30/2012 04:51 PM, John David Stone wrote:
> Hash: SHA1
>          Rick C. Hodgin writes:
>   >  I had this idea occur to me last week.  I am wondering if it already
>   >  exists.  If so, can you point me to it?
>          It looks to me as if you've reinvented the part of a Unix or Linux
> kernel that manages file systems -- you get the same interface for local
> disk drives, Network File Systems, CDs using ISO9660, sockets, etc., etc.
> Am I missing something?
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