Date: Tue, 3 Feb 1998 18:10:02 -0800 (PST) From: KATO Takenori <kato@migmatite.eps.nagoya-u.ac.jp> To: freebsd-bugs Subject: Re: kern/5634: locking violation in umapfs Message-ID: <199802040210.SAA19686@hub.freebsd.org>
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The following reply was made to PR kern/5634; it has been noted by GNATS. From: KATO Takenori <kato@migmatite.eps.nagoya-u.ac.jp> To: FreeBSD-gnats-submit@FreeBSD.ORG Cc: Subject: Re: kern/5634: locking violation in umapfs Date: Wed, 04 Feb 1998 11:02:47 +0900 KATO Takenori <kato@migmatite.eps.nagoya-u.ac.jp> wrote: > The umap_node_find() calls vget at flags = 0. This code assumes that > vget() does not lock vnode in it. It is true in 4.4BSD-Lite2 but > vget() in FreeBSD may lock vnode in it. Therefore, we should not > assume that vget() does not lock vnode. Same problem exists in nullfs. ---- KATO Takenori <kato@ganko.eps.nagoya-u.ac.jp> Dept. Earth Planet. Sci., Nagoya Univ., Nagoya, 464-01, Japan PGP public key: finger kato@eclogite.eps.nagoya-u.ac.jp ------------------- Powered by FreeBSD(98) -------------------
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