Date: Mon, 13 Oct 1997 23:08:18 +0200 From: j@uriah.heep.sax.de (J Wunsch) To: freebsd-current@FreeBSD.ORG (FreeBSD-current users) Subject: Re: lockmgr panic Message-ID: <19971013230818.ZB55478@uriah.heep.sax.de> In-Reply-To: <26001.876741642@critter.freebsd.dk>; from Poul-Henning Kamp on Oct 13, 1997 13:20:42 %2B0200 References: <19971013084158.HG40991@uriah.heep.sax.de> <26001.876741642@critter.freebsd.dk>
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As Poul-Henning Kamp wrote: > I hacked this little "genuine ram disk driver" up a couple of days ago, > if should do everything you would want to have done if this is for release > building: Well, i think this requires quite a number of changes in the release Makefile... so i'm a little reluctant to bring it in before 2.2.5 ships. But i get the point. > #ifndef RD0_SIZE > #define RD0_SIZE (80*2*18*512) > #endif That's ugly. My suggestion: provide two minor numbers per pseudo-device. The first is the actual rd driver, the second is the control device. For the control device, define an ioctl command that gets down the desired size, and allocates a (optionally pageable) buffer for it. -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)
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