[src/trunk]: src/sys/ufs/mfs Switch MFS device node to real vnode locking, VV...

[hannken <hannken%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/cb81e43804c0
branches:  trunk
changeset: 364366:cb81e43804c0
user:      hannken <hannken%NetBSD.org@localhost>
date:      Sat Mar 19 13:48:42 2022 +0000

description:
Switch MFS device node to real vnode locking, VV_LOCKSWORK now.

diffstat:

 sys/ufs/mfs/mfs_vfsops.c |   6 ++++--
 sys/ufs/mfs/mfs_vnops.c  |  10 +++++-----
 2 files changed, 9 insertions(+), 7 deletions(-)

diffs (68 lines):

diff -r 93ec5a4c7397 -r cb81e43804c0 sys/ufs/mfs/mfs_vfsops.c
--- a/sys/ufs/mfs/mfs_vfsops.c  Sat Mar 19 13:48:04 2022 +0000
+++ b/sys/ufs/mfs/mfs_vfsops.c  Sat Mar 19 13:48:42 2022 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: mfs_vfsops.c,v 1.114 2020/03/16 21:20:13 pgoyette Exp $        */
+/*     $NetBSD: mfs_vfsops.c,v 1.115 2022/03/19 13:48:42 hannken Exp $ */
 
 /*
  * Copyright (c) 1989, 1990, 1993, 1994
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: mfs_vfsops.c,v 1.114 2020/03/16 21:20:13 pgoyette Exp $");
+__KERNEL_RCSID(0, "$NetBSD: mfs_vfsops.c,v 1.115 2022/03/19 13:48:42 hannken Exp $");
 
 #if defined(_KERNEL_OPT)
 #include "opt_compat_netbsd.h"
@@ -208,6 +208,7 @@
        rootvp->v_data = mfsp;
        rootvp->v_op = mfs_vnodeop_p;
        rootvp->v_tag = VT_MFS;
+       rootvp->v_vflag |= VV_LOCKSWORK;
        mfsp->mfs_baseoff = mfs_rootbase;
        mfsp->mfs_size = mfs_rootsize;
        mfsp->mfs_vnode = rootvp;
@@ -326,6 +327,7 @@
        KASSERT(devvp->v_data == NULL);
        devvp->v_op = mfs_vnodeop_p;
        devvp->v_data = mfsp;
+       devvp->v_vflag |= VV_LOCKSWORK;
        mfsp->mfs_baseoff = args->base;
        mfsp->mfs_size = args->size;
        mfsp->mfs_vnode = devvp;
diff -r 93ec5a4c7397 -r cb81e43804c0 sys/ufs/mfs/mfs_vnops.c
--- a/sys/ufs/mfs/mfs_vnops.c   Sat Mar 19 13:48:04 2022 +0000
+++ b/sys/ufs/mfs/mfs_vnops.c   Sat Mar 19 13:48:42 2022 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: mfs_vnops.c,v 1.63 2021/07/18 23:57:15 dholland Exp $  */
+/*     $NetBSD: mfs_vnops.c,v 1.64 2022/03/19 13:48:42 hannken Exp $   */
 
 /*
  * Copyright (c) 1989, 1993
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: mfs_vnops.c,v 1.63 2021/07/18 23:57:15 dholland Exp $");
+__KERNEL_RCSID(0, "$NetBSD: mfs_vnops.c,v 1.64 2022/03/19 13:48:42 hannken Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -89,12 +89,12 @@
        { &vop_abortop_desc, genfs_badop },             /* abortop */
        { &vop_inactive_desc, mfs_inactive },           /* inactive */
        { &vop_reclaim_desc, mfs_reclaim },             /* reclaim */
-       { &vop_lock_desc, genfs_nolock },               /* lock */
-       { &vop_unlock_desc, genfs_nounlock },           /* unlock */
+       { &vop_lock_desc, genfs_lock },                 /* lock */
+       { &vop_unlock_desc, genfs_unlock },             /* unlock */
        { &vop_bmap_desc, mfs_bmap },                   /* bmap */
        { &vop_strategy_desc, mfs_strategy },           /* strategy */
        { &vop_print_desc, mfs_print },                 /* print */
-       { &vop_islocked_desc, genfs_noislocked },       /* islocked */
+       { &vop_islocked_desc, genfs_islocked },         /* islocked */
        { &vop_pathconf_desc, genfs_badop },            /* pathconf */
        { &vop_advlock_desc, genfs_badop },             /* advlock */
        { &vop_bwrite_desc, vn_bwrite },                /* bwrite */