Date: Mon, 9 Jan 2012 14:38:46 +0200 From: Kostik Belousov <kostikbel@gmail.com> To: Doug Barton <dougb@freebsd.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r229828 - in head/sys: kern ufs/ufs Message-ID: <20120109123846.GT31224@deviant.kiev.zoral.com.ua> In-Reply-To: <4F0AAB6A.7090606@FreeBSD.org> References: <201201082306.q08N6rDQ011768@svn.freebsd.org> <4F0AAB6A.7090606@FreeBSD.org>
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--gSsRJZU0nGhQbl8n Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Jan 09, 2012 at 12:55:06AM -0800, Doug Barton wrote: > On 01/08/2012 15:06, Konstantin Belousov wrote: > > Author: kib > > Date: Sun Jan 8 23:06:53 2012 > > New Revision: 229828 > > URL: http://svn.freebsd.org/changeset/base/229828 > >=20 > > Log: > > Avoid LOR between vfs_busy() lock and covered vnode lock on quotaon(). >=20 > Does this mean that if we turn witness back on the ever-present VFS LORs > will no longer be there, or does this only affect calls to quotaon()? vfs_busy() lock is not accounted for by witness, so there shall be no changes in the witness reports. The scenario affected only fired when somebody did quotaon and unmount proceeded in parallel. --gSsRJZU0nGhQbl8n Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (FreeBSD) iEYEARECAAYFAk8K39UACgkQC3+MBN1Mb4ij5QCgiG3wzONl8f8nHSJx2LSqxNY5 J/UAnjbomgJFbyIjepMso9xOzo1qpm1h =4q9E -----END PGP SIGNATURE----- --gSsRJZU0nGhQbl8n--
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