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From: Jung-uk Kim <jkim@FreeBSD.org>
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Date: Thu, 4 Aug 2011 17:46:40 -0400
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Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org,
	Martin Matuska <mm@freebsd.org>
Subject: Re: svn commit: r224614 - head/sys/kern
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On Tuesday 02 August 2011 03:13 pm, Martin Matuska wrote:
> Author: mm
> Date: Tue Aug  2 19:13:56 2011
> New Revision: 224614
> URL: http://svn.freebsd.org/changeset/base/224614
>
> Log:
>   For mount, discover f_mntonname from supplied path argument
>   using vn_fullpath_global(). This fixes f_mntonname if mounting
>   inside chroot, jail or with relative path as argument.
>
>   For unmount in jail, use vn_fullpath_global() to discover
>   global path from supplied path argument. This fixes unmount in
> jail.

It seems fdescfs(5) hangs after this commit if the mount point 
is /dev/fd.

Jung-uk Kim