Date: Tue, 2 Dec 2008 14:19:36 -0500 From: John Baldwin <jhb@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: r185557 - head/sys/kern Message-ID: <200812021419.37380.jhb@freebsd.org> In-Reply-To: <200812021114.mB2BEHB3058629@svn.freebsd.org> References: <200812021114.mB2BEHB3058629@svn.freebsd.org>
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On Tuesday 02 December 2008 06:14:17 am Konstantin Belousov wrote: > Author: kib > Date: Tue Dec 2 11:14:16 2008 > New Revision: 185557 > URL: http://svn.freebsd.org/changeset/base/185557 > > Log: > Shared lookup makes it possible to create several negative cache > entries for one name. Then, creating inode with that name would remove > one entry, leaving others dormant. Reclaiming the vnode would uncover > negative entries, causing false return of ENOENT from the calls like > stat, that do not create inode. > > Prevent creation of the duplicated negative entries. > > Reported and debugged with: pho > Reviewed by: jhb > X-MFC: after shared lookup changes Actually, the NFS client code already supports shared lookups in 6.x+, so I would suggest MFC'ing this in a week or so to both 6.x and 7.x. -- John Baldwin
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