From owner-svn-src-all@FreeBSD.ORG Sun Sep 2 03:36:58 2012 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id BB828106566B; Sun, 2 Sep 2012 03:36:58 +0000 (UTC) (envelope-from avatar@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id 8BFAD8FC0A; Sun, 2 Sep 2012 03:36:58 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.4/8.14.4) with ESMTP id q823aw2F031548; Sun, 2 Sep 2012 03:36:58 GMT (envelope-from avatar@svn.freebsd.org) Received: (from avatar@localhost) by svn.freebsd.org (8.14.4/8.14.4/Submit) id q823awhq031546; Sun, 2 Sep 2012 03:36:58 GMT (envelope-from avatar@svn.freebsd.org) Message-Id: <201209020336.q823awhq031546@svn.freebsd.org> From: Tai-hwa Liang Date: Sun, 2 Sep 2012 03:36:58 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org X-SVN-Group: stable-9 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r239999 - stable/9/sys/gnu/fs/reiserfs X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 02 Sep 2012 03:36:58 -0000 Author: avatar Date: Sun Sep 2 03:36:57 2012 New Revision: 239999 URL: http://svn.freebsd.org/changeset/base/239999 Log: MFC r238980: Just like the other file systems found in /sys/fs, g_vfs_open() should be paried with g_vfs_close(). Though g_vfs_close() is a wrapper around g_wither_geom_close(), r206130 added the following test in g_vfs_open(): if (bo->bo_private != vp) return (EBUSY); Which will cause a 'Device busy' error inside reiserfs_mountfs() if the same file system is re-mounted again after umount or mounting failure: (case 1, /dev/ad4s3 is not a valid REISERFS partition) # mount -t reiserfs -o ro /dev/ad4s3 /mnt mount: /dev/ad4s3: Invalid argument # mount -t msdosfs -o ro /dev/ad4s3 /mnt mount: /dev/ad4s3: Device busy (case 2, /dev/ad4s3 is a valid REISERFS partition) # mount -t reiserfs -o ro /dev/ad4s3 /mnt # umount /mnt # mount -t reiserfs -o ro /dev/ad4s3 /mnt mount: /dev/ad4s3: Device busy On the other hand, g_vfs_close() 'fixed' the above cases by doing an extra step to keep 'sc->sc_bo->bo_private' and 'cp->private' pointers synchronised. Reviewed by: kib Modified: stable/9/sys/gnu/fs/reiserfs/reiserfs_vfsops.c Directory Properties: stable/9/sys/ (props changed) Modified: stable/9/sys/gnu/fs/reiserfs/reiserfs_vfsops.c ============================================================================== --- stable/9/sys/gnu/fs/reiserfs/reiserfs_vfsops.c Sun Sep 2 01:48:47 2012 (r239998) +++ stable/9/sys/gnu/fs/reiserfs/reiserfs_vfsops.c Sun Sep 2 03:36:57 2012 (r239999) @@ -227,7 +227,7 @@ reiserfs_unmount(struct mount *mp, int m DROP_GIANT(); g_topology_lock(); - g_wither_geom_close(rmp->rm_cp->geom, ENXIO); + g_vfs_close(rmp->rm_cp); g_topology_unlock(); PICKUP_GIANT(); vrele(rmp->rm_devvp); @@ -611,7 +611,7 @@ out: if (cp != NULL) { DROP_GIANT(); g_topology_lock(); - g_wither_geom_close(cp->geom, ENXIO); + g_vfs_close(cp); g_topology_unlock(); PICKUP_GIANT(); }