From owner-cvs-all@FreeBSD.ORG Sun Jul 3 01:08:42 2005 Return-Path: X-Original-To: cvs-all@FreeBSD.org Delivered-To: cvs-all@FreeBSD.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B0D7416ACFC; Sun, 3 Jul 2005 00:58:15 +0000 (GMT) (envelope-from ps@mu.org) Received: from elvis.mu.org (elvis.mu.org [192.203.228.196]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7004744575; Sun, 3 Jul 2005 00:41:49 +0000 (GMT) (envelope-from ps@mu.org) Received: by elvis.mu.org (Postfix, from userid 1000) id 438DC6DBA0; Sat, 2 Jul 2005 17:38:00 -0700 (PDT) X-Original-To: ps@mu.org Delivered-To: ps@mu.org Received: from mx2.freebsd.org (mx2.freebsd.org [216.136.204.119]) by elvis.mu.org (Postfix) with ESMTP id 0EA715C9EB for ; Mon, 24 Jan 2005 02:18:40 -0800 (PST) Received: from hub.freebsd.org (hub.freebsd.org [216.136.204.18]) by mx2.freebsd.org (Postfix) with ESMTP id E0B015702E for ; Mon, 24 Jan 2005 10:18:39 +0000 (GMT) (envelope-from owner-src-committers@FreeBSD.org) Received: by hub.freebsd.org (Postfix) id 0E3E616A534; Mon, 24 Jan 2005 10:18:35 +0000 (GMT) Delivered-To: ps@freebsd.org Received: by hub.freebsd.org (Postfix, from userid 538) id C540016A4D0; Mon, 24 Jan 2005 10:18:32 +0000 (GMT) Delivered-To: src-committers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D6A0F16A4CE; Mon, 24 Jan 2005 10:18:31 +0000 (GMT) Received: from repoman.freebsd.org (repoman.freebsd.org [216.136.204.115]) by mx1.FreeBSD.org (Postfix) with ESMTP id C2B9543D49; Mon, 24 Jan 2005 10:18:31 +0000 (GMT) (envelope-from jeff@FreeBSD.org) Received: from repoman.freebsd.org (localhost [127.0.0.1]) by repoman.freebsd.org (8.13.1/8.13.1) with ESMTP id j0OAIVT7030361; Mon, 24 Jan 2005 10:18:31 GMT (envelope-from jeff@repoman.freebsd.org) Received: (from jeff@localhost) by repoman.freebsd.org (8.13.1/8.13.1/Submit) id j0OAIVaY030360; Mon, 24 Jan 2005 10:18:31 GMT (envelope-from jeff) Message-Id: <200501241018.j0OAIVaY030360@repoman.freebsd.org> From: Jeff Roberson To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org X-FreeBSD-CVS-Branch: HEAD Sender: owner-src-committers@FreeBSD.org Precedence: bulk X-Loop: FreeBSD.ORG X-Spam-Checker-Version: SpamAssassin 3.0.1 (2004-10-22) on elvis.mu.org X-Spam-Status: No, score=-2.6 required=5.0 tests=AWL,BAYES_00 autolearn=ham version=3.0.1 X-Spam-Level: Cc: Subject: cvs commit: src/sys/ufs/ffs ffs_softdep.c X-BeenThere: cvs-all@freebsd.org X-Mailman-Version: 2.1.5 List-Id: CVS commit messages for the entire tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Date: Sun, 03 Jul 2005 01:08:43 -0000 X-Original-Date: Mon, 24 Jan 2005 10:18:31 +0000 (UTC) X-List-Received-Date: Sun, 03 Jul 2005 01:08:43 -0000 jeff 2005-01-24 10:18:31 UTC FreeBSD src repository Modified files: sys/ufs/ffs ffs_softdep.c Log: - Convert the global LK lock to a mutex. - Expand the scope of lk to cover not only interrupt races, but also top-half races, which includes many new uses over global top-half only data. - Get rid of interlocked_sleep() and use msleep or BUF_LOCK where appropriate. - Use the lk mutex in place of the various hand rolled semaphores. - Stop dropping the lk lock before we panic. - Fix getdirtybuf() callers so that they reacquire access to whatever softdep datastructure they were inxpecting in the failure/retry case. Previously, sleeps in getdirtybuf() could leave us with pointers to bad memory. - Update handling of ffs to be compatible with ffs locking changes. Sponsored By: Isilon Systems, Inc. Revision Changes Path 1.166 +455 -739 src/sys/ufs/ffs/ffs_softdep.c