From owner-cvs-all Mon Oct 21 18:23:32 2002 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 D6A6137B401; Mon, 21 Oct 2002 18:23:31 -0700 (PDT) Received: from repoman.freebsd.org (repoman.freebsd.org [216.136.204.115]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8683643E42; Mon, 21 Oct 2002 18:23:31 -0700 (PDT) (envelope-from mckusick@FreeBSD.org) Received: from repoman.freebsd.org (localhost [127.0.0.1]) by repoman.freebsd.org (8.12.6/8.12.6) with ESMTP id g9M1N0mV050830; Mon, 21 Oct 2002 18:23:00 -0700 (PDT) (envelope-from mckusick@repoman.freebsd.org) Received: (from mckusick@localhost) by repoman.freebsd.org (8.12.6/8.12.6/Submit) id g9M1N0U1050829; Mon, 21 Oct 2002 18:23:00 -0700 (PDT) Message-Id: <200210220123.g9M1N0U1050829@repoman.freebsd.org> From: Kirk McKusick Date: Mon, 21 Oct 2002 18:23:00 -0700 (PDT) To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/ufs/ffs ffs_snapshot.c X-FreeBSD-CVS-Branch: HEAD Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG mckusick 2002/10/21 18:23:00 PDT Modified files: sys/ufs/ffs ffs_snapshot.c Log: This update further fine tunes the locking of snapshot vnodes in the ffs_copyonwrite routine to avoid a deadlock between the syncer daemon trying to sync out a snapshot vnode and the bufdaemon trying to write out a buffer containing the snapshot inode. With any luck this will be the last snapshot race condition. Sponsored by: DARPA & NAI Labs. Revision Changes Path 1.47 +22 -13 src/sys/ufs/ffs/ffs_snapshot.c To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message