Re: CD writing in future Linux (stirring up a hornets' nest)

From: Martin Mares
Date: Mon Feb 13 2006 - 05:53:31 EST


Hello!

> Just think about a program that checks a file that is on a removable media.
>
> This media is mounted via a vold service and someone removes the USB cable
> and reinserts it a second later. The filesystem on the device will be mounted
> on the same mount point but the device ID inside the system did change.
>
> As a result, the file unique identification st_ino/st_dev is not retained
> and the program is confused.

And it would be equally confused if I inserted a different media instead.

Relying on stability of anything across mounts/umounts does not make any
sense.

Have a nice fortnight
--
Martin `MJ' Mares <mj@xxxxxx> http://atrey.karlin.mff.cuni.cz/~mj/
Faculty of Math and Physics, Charles University, Prague, Czech Rep., Earth
The number of UNIX installations has grown to 10, with more expected. (6/72)
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