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

[Christopher Friesen]

Joerg Schilling wrote:
> "Theodore Ts'o" <tytso@xxxxxxx> wrote:

> > Can you please list the POSIX standard, section, and line number which
> > states that a particular device must always have the same st_rdev
> > across reboots, and hot plugs/unplugs?
>
>
> A particular file on the system must not change st_dev while the system
> is running.
>
> http://www.opengroup.org/onlinepubs/009695399/basedefs/sys/stat.h.html


I don't actually see that requirement listed there. It says that st_dev 
must be unique, and that all files are uniquely identified by st_ino and 
st_dev.

There's nothing there that says the mapping cannot change with 
time...just that it has to be unique.

Chris
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