linux-kernel - Re: Forced unmounting for removable devices

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Message-ID: <46D835EB.7070502@aladin.ro>
Date:	Fri, 31 Aug 2007 18:38:19 +0300
From:	Eduard-Gabriel Munteanu <maxdamage@...din.ro>
To:	salahx@...oo.com
CC:	linux-kernel@...r.kernel.org
Subject: Re: Forced unmounting for removable devices

*This message was transferred with a trial version of CommuniGate(r) Pro*
Salah Coronya wrote:
> There are patches in -mm for revokeat()/frevoke(), which can be used to
> implement exactly that. If a device "vanishes" (CD is removed in the
> middle of loading, USB pend rive yanked out the middle of I/O, NFS
> server thats gone MIA), A user-space program (maybe HAL) could iterate
> over the open files and revoke() them, at which point the system can be
> cleanly unmounted.
> 

Sounds promising. Is there any glibc version that implements these
syscalls (googling for 'glibc' and 'frevoke' didn't help)? I'd like to
implement and test this on my Linux box with HAL.

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