Date: Tue, 29 Mar 2005 11:21:54 +0100 From: David Malone <dwmalone@maths.tcd.ie> To: Jeff Roberson <jeff@FreeBSD.org> Cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/kern vfs_cache.c Message-ID: <20050329102154.GA20842@walton.maths.tcd.ie> In-Reply-To: <200503290958.j2T9wfq0025519@repoman.freebsd.org> References: <200503290958.j2T9wfq0025519@repoman.freebsd.org>
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On Tue, Mar 29, 2005 at 09:58:41AM +0000, Jeff Roberson wrote: > Log: > - Invalidate the childrens v_dd pointers when we cache_purge() a directory. > Otherwise the stale pointer may be accessed after a vnode is freed. I guess this has no impact on how likely we are to have a call to realpath work because in the old version the generation number of the vnode would have changed anyway? David.
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