Module Name: src Committed By: martin Date: Tue Dec 24 17:15:48 UTC 2019
Modified Files: src/sys/miscfs/nullfs [netbsd-8]: null_vfsops.c Log Message: Pull up following revision(s) (requested by hannken in ticket #1476): sys/miscfs/nullfs/null_vfsops.c: revision 1.96 Set IMNT_MPSAFE before creating the vnode for the root of the filesystem. Otherwise, it won't be created with VV_MPSAFE and require the kernel_lock. To generate a diff of this commit: cvs rdiff -u -r1.94 -r1.94.4.1 src/sys/miscfs/nullfs/null_vfsops.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/miscfs/nullfs/null_vfsops.c diff -u src/sys/miscfs/nullfs/null_vfsops.c:1.94 src/sys/miscfs/nullfs/null_vfsops.c:1.94.4.1 --- src/sys/miscfs/nullfs/null_vfsops.c:1.94 Tue Apr 11 07:51:37 2017 +++ src/sys/miscfs/nullfs/null_vfsops.c Tue Dec 24 17:15:47 2019 @@ -1,4 +1,4 @@ -/* $NetBSD: null_vfsops.c,v 1.94 2017/04/11 07:51:37 hannken Exp $ */ +/* $NetBSD: null_vfsops.c,v 1.94.4.1 2019/12/24 17:15:47 martin Exp $ */ /* * Copyright (c) 1999 National Aeronautics & Space Administration @@ -76,7 +76,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: null_vfsops.c,v 1.94 2017/04/11 07:51:37 hannken Exp $"); +__KERNEL_RCSID(0, "$NetBSD: null_vfsops.c,v 1.94.4.1 2019/12/24 17:15:47 martin Exp $"); #include <sys/param.h> #include <sys/systm.h> @@ -140,6 +140,7 @@ nullfs_mount(struct mount *mp, const cha /* Create the mount point. */ nmp = kmem_zalloc(sizeof(struct null_mount), KM_SLEEP); mp->mnt_data = nmp; + mp->mnt_iflag |= IMNT_MPSAFE; /* * Make sure that the mount point is sufficiently initialized @@ -167,7 +168,6 @@ nullfs_mount(struct mount *mp, const cha vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); vp->v_vflag |= VV_ROOT; nmp->nullm_rootvp = vp; - mp->mnt_iflag |= IMNT_MPSAFE; VOP_UNLOCK(vp); error = set_statvfs_info(path, UIO_USERSPACE, args->la.target,