Date: Fri, 06 Aug 2010 16:39:36 +0100 From: Gavin Atkinson <gavin@FreeBSD.org> To: Konstantin Belousov <kib@FreeBSD.org> Cc: svn-src-head@FreeBSD.org, svn-src-all@FreeBSD.org, src-committers@FreeBSD.org Subject: Re: svn commit: r210923 - in head/sys: fs/devfs kern sys vm Message-ID: <1281109176.68747.2.camel@buffy.york.ac.uk> In-Reply-To: <201008060942.o769gFm2075268@svn.freebsd.org> References: <201008060942.o769gFm2075268@svn.freebsd.org>
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On Fri, 2010-08-06 at 09:42 +0000, Konstantin Belousov wrote: > Author: kib > Date: Fri Aug 6 09:42:15 2010 > New Revision: 210923 > URL: http://svn.freebsd.org/changeset/base/210923 >=20 > Log: > Add new make_dev_p(9) flag MAKEDEV_ETERNAL to inform devfs that created > cdev will never be destroyed. Propagate the flag to devfs vnodes as > VV_ETERNVALDEV. Use the flags to avoid acquiring devmtx and taking a > thread reference on such nodes. Does this flag have any effect on unmounting a devfs mount? Thanks, Gavin --=20 Gavin Atkinson FreeBSD committer and bugmeister
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