remounting ext3 file systems

[Eric Sandeen]

Stephen Samuel wrote:
> As long as you don't don't set any other options which would disrupt
> with what the running processes are doing with the files on that
> filesystem, you should be fine.
> 
> (for example: remounting the system readonly while files were open rw
> would be problematic for the processes involved, 

In this case mount -o ro will fail with -EBUSY

> and I don't know what
> would happen if  you remounted a filesystem nodev while people had
> devices open on it).


this should reject new device openers.

-Eric