Re: [PATCH 25/20] sysfs: Only support removing emtpy sysfs directories.
From: Eric W. Biederman
Date: Wed May 27 2009 - 14:26:26 EST
Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> 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
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