Date: Fri, 6 Aug 2010 21:49:50 +0300 From: Kostik Belousov <kostikbel@gmail.com> To: Gavin Atkinson <gavin@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: <20100806184950.GR22295@deviant.kiev.zoral.com.ua> In-Reply-To: <1281109176.68747.2.camel@buffy.york.ac.uk> References: <201008060942.o769gFm2075268@svn.freebsd.org> <1281109176.68747.2.camel@buffy.york.ac.uk>
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--M52+6DBBqdEJXByq Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Aug 06, 2010 at 04:39:36PM +0100, Gavin Atkinson wrote: > 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 creat= ed > > 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. >=20 > Does this flag have any effect on unmounting a devfs mount? It should not. The flag turns off some safety measures that are used to make sure that cdev is not destroyed while cdevsw method is active. Do you experience some trouble after the change ? --M52+6DBBqdEJXByq Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (FreeBSD) iEYEARECAAYFAkxcWU0ACgkQC3+MBN1Mb4j4twCfa0DXrhcSZ3b4Rul6M2xBXREp USIAoMHCfrc1EW7LSm4ljeQg956lIrau =EEwO -----END PGP SIGNATURE----- --M52+6DBBqdEJXByq--
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