From owner-cvs-src-old@FreeBSD.ORG Thu Jan 21 14:33:46 2010 Return-Path: Delivered-To: cvs-src-old@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D636910656C0 for ; Thu, 21 Jan 2010 14:33:46 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Received: from repoman.freebsd.org (repoman.freebsd.org [IPv6:2001:4f8:fff6::29]) by mx1.freebsd.org (Postfix) with ESMTP id C219E8FC29 for ; Thu, 21 Jan 2010 14:33:46 +0000 (UTC) Received: from repoman.freebsd.org (localhost [127.0.0.1]) by repoman.freebsd.org (8.14.3/8.14.3) with ESMTP id o0LEXklA059161 for ; Thu, 21 Jan 2010 14:33:46 GMT (envelope-from jhb@repoman.freebsd.org) Received: (from svn2cvs@localhost) by repoman.freebsd.org (8.14.3/8.14.3/Submit) id o0LEXkVl059160 for cvs-src-old@freebsd.org; Thu, 21 Jan 2010 14:33:46 GMT (envelope-from jhb@repoman.freebsd.org) Message-Id: <201001211433.o0LEXkVl059160@repoman.freebsd.org> X-Authentication-Warning: repoman.freebsd.org: svn2cvs set sender to jhb@repoman.freebsd.org using -f From: John Baldwin Date: Thu, 21 Jan 2010 14:33:18 +0000 (UTC) To: cvs-src-old@freebsd.org X-FreeBSD-CVS-Branch: RELENG_7 Subject: cvs commit: src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs zfs_znode.c src/sys/dev/md md.c src/sys/fs/cd9660 cd9660_vfsops.c src/sys/fs/udf udf_vfsops.c src/sys/kern vfs_lookup.c vfs_vnops.c vnode_if.src src/sys/sys mount.h src/sys/ufs/ffs ffs_vfsops.c X-BeenThere: cvs-src-old@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: **OBSOLETE** CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Jan 2010 14:33:46 -0000 jhb 2010-01-21 14:33:18 UTC FreeBSD src repository Modified files: (Branch: RELENG_7) sys/cddl/contrib/opensolaris/uts/common/fs/zfs zfs_znode.c sys/dev/md md.c sys/fs/cd9660 cd9660_vfsops.c sys/fs/udf udf_vfsops.c sys/kern vfs_lookup.c vfs_vnops.c vnode_if.src sys/sys mount.h sys/ufs/ffs ffs_vfsops.c Log: SVN rev 202750 on 2010-01-21 14:33:18Z by jhb MFC 189696,189697: Add a new internal mount flag (MNTK_EXTENDED_SHARED) to indicate that a filesystem supports additional operations using shared vnode locks. Currently this is used to enable shared locks for open() and close() of read-only file descriptors. - When an ISOPEN namei() request is performed with LOCKSHARED, use a shared vnode lock for the leaf vnode only if the mount point has the extended shared flag set. - Set LOCKSHARED in vn_open_cred() for requests that specify O_RDONLY but not O_CREAT. - Use a shared vnode lock around VOP_CLOSE() if the file was opened with O_RDONLY and the mountpoint has the extended shared flag set. - Adjust md(4) to upgrade the vnode lock on the vnode it gets back from vn_open() since it now may only have a shared vnode lock. - Don't enable shared vnode locks on FIFO vnodes in ZFS and UFS since FIFO's require exclusive vnode locks for their open() and close() routines. (My recent MPSAFE patches for UDF and cd9660 already included this change.) - Enable extended shared operations on UFS, cd9660, and UDF. Revision Changes Path 1.15.2.7 +1 -0 src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_znode.c 1.169.2.2 +20 -10 src/sys/dev/md/md.c 1.150.2.4 +2 -1 src/sys/fs/cd9660/cd9660_vfsops.c 1.48.2.8 +2 -1 src/sys/fs/udf/udf_vfsops.c 1.102.2.7 +38 -4 src/sys/kern/vfs_lookup.c 1.252.2.10 +11 -3 src/sys/kern/vfs_vnops.c 1.87.2.2 +1 -1 src/sys/kern/vnode_if.src 1.228.2.10 +2 -1 src/sys/sys/mount.h 1.329.2.20 +8 -4 src/sys/ufs/ffs/ffs_vfsops.c