Date: Mon, 28 Jan 2008 02:51:47 +1100 (EST) From: Bruce Evans <brde@optusnet.com.au> To: linimon@FreeBSD.org Cc: freebsd-bugs@FreeBSD.org, freebsd-standards@FreeBSD.org Subject: Re: standards/25777: [kernel] [patch] atime not updated on exec Message-ID: <20080128024030.K928@besplex.bde.org> In-Reply-To: <200801261438.m0QEcNCI087322@freefall.freebsd.org> References: <200801261438.m0QEcNCI087322@freefall.freebsd.org>
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On Sat, 26 Jan 2008 linimon@FreeBSD.org wrote: > Synopsis: [kernel] [patch] atime not updated on exec > It sounds as though from the audit-trail that this might be in > the 'standards' realm. This fixed from RELENG_mumble on for ffs only, and there is a special VOP_SETATTR() call for for fixing it in all fs's. It is unlikely to ever be fixed in nfs because atimes are broken in general in nfs and fixing that would have large overheads. nfs was pessimized in RELENG_mumble2 by turning the special VOP_SETATTR() call into a null RPC instead of ignoring it since it is unsupported. Other fs's might have a similar pessimization. Last time I looked, unionfs didn't do the right things to pass the special call down to the lowest layer. Bruce
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