Date: Wed, 3 Apr 2013 15:57:18 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r249055 - stable/8/sys/kern Message-ID: <201304031557.r33FvIbw084688@svn.freebsd.org>
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Author: kib Date: Wed Apr 3 15:57:18 2013 New Revision: 249055 URL: http://svnweb.freebsd.org/changeset/base/249055 Log: MFC r248562: Move the vn_start_write() call in the dounmount() before setting the MNTK_UNMOUNT flag. Modified: stable/8/sys/kern/vfs_mount.c Directory Properties: stable/8/sys/ (props changed) stable/8/sys/kern/ (props changed) Modified: stable/8/sys/kern/vfs_mount.c ============================================================================== --- stable/8/sys/kern/vfs_mount.c Wed Apr 3 15:38:44 2013 (r249054) +++ stable/8/sys/kern/vfs_mount.c Wed Apr 3 15:57:18 2013 (r249055) @@ -1247,11 +1247,13 @@ dounmount(mp, flags, td) return (error); } + vn_start_write(NULL, &mp, V_WAIT); MNT_ILOCK(mp); if (mp->mnt_kern_flag & MNTK_UNMOUNT) { MNT_IUNLOCK(mp); if (coveredvp) VOP_UNLOCK(coveredvp, 0); + vn_finished_write(mp); return (EBUSY); } mp->mnt_kern_flag |= MNTK_UNMOUNT | MNTK_NOINSMNTQ; @@ -1271,7 +1273,6 @@ dounmount(mp, flags, td) KASSERT(error == 0, ("%s: invalid return value for msleep in the drain path @ %s:%d", __func__, __FILE__, __LINE__)); - vn_start_write(NULL, &mp, V_WAIT); if (mp->mnt_flag & MNT_EXPUBLIC) vfs_setpublicfs(NULL, NULL, NULL);
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