From owner-cvs-all Fri Jun 25 19:57:19 1999 Delivered-To: cvs-all@freebsd.org Received: from allegro.lemis.com (allegro.lemis.com [192.109.197.134]) by hub.freebsd.org (Postfix) with ESMTP id A139514CB6; Fri, 25 Jun 1999 19:57:12 -0700 (PDT) (envelope-from grog@freebie.lemis.com) Received: from freebie.lemis.com (freebie.lemis.com [192.109.197.137]) by allegro.lemis.com (8.9.1/8.9.0) with ESMTP id MAA07438; Sat, 26 Jun 1999 12:27:10 +0930 (CST) Received: (from grog@localhost) by freebie.lemis.com (8.9.3/8.9.0) id MAA15144; Sat, 26 Jun 1999 12:27:09 +0930 (CST) Date: Sat, 26 Jun 1999 12:27:09 +0930 From: Greg Lehey To: Kirk McKusick Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/sys buf.h lock.h src/sys/kern kern_lock.c kern_physio.c kern_shutdown.c subr_dkbad.c vfs_aio.c vfs_bio.c vfs_cluster.c vfs_subr.c src/sys/miscfs/devfs devfs_vnops.c src/sys/miscfs/specfs spec_vnops.c src/sys/msdosfs msdosfs_vnops.c ... Message-ID: <19990626122708.B427@freebie.lemis.com> References: <199906260247.TAA84326@freefall.freebsd.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.95.4i In-Reply-To: <199906260247.TAA84326@freefall.freebsd.org>; from Kirk McKusick on Fri, Jun 25, 1999 at 07:47:20PM -0700 WWW-Home-Page: http://www.lemis.com/~grog X-PGP-Fingerprint: 6B 7B C3 8C 61 CD 54 AF 13 24 52 F8 6D A4 95 EF Organization: LEMIS, PO Box 460, Echunga SA 5153, Australia Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-41-739-7062 Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk On Friday, 25 June 1999 at 19:47:20 -0700, Kirk McKusick wrote: > mckusick 1999/06/25 19:47:19 PDT > > Log: > Convert buffer locking from using the B_BUSY and B_WANTED flags to using > lockmgr locks. This commit should be functionally equivalent to the old > semantics. That is, all buffer locking is done with LK_EXCLUSIVE > requests. Changes to take advantage of LK_SHARED and LK_RECURSIVE will > be done in future commits. Is this worth a "heads up"? It'll change the way a lot of things have been done. Greg -- See complete headers for address, home page and phone numbers finger grog@lemis.com for PGP public key To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message