Re: [PATCH 25/20] sysfs: Only support removing emtpy sysfs directories.

Eric W. Biederman
2009-05-27T18:24:46Z

Alan Stern <stern@rowland.harvard.edu> writes:

>
> As fas as I know, they can't. Instead, they can cause the SCSI layer
> to unregister a sysfs directory containing a child directory. :-)
>
> Basically, a user program can delay removal of the child (i.e., the
> target) directory indefinitely, because currently the target isn't
> unregistered when all its children are removed -- it's unregistered
> when all its children are _released_.

Ok. Is this opens of /dev/sda1 and the like that are being held open by
userspace that are potentially causing problems?

I think I have the fix to that...

Eric