[src/netbsd-8]: src/sys/dev Pull up following revision(s) (requested by hannk...

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

details:   https://anonhg.NetBSD.org/src/rev/37decddc773b
branches:  netbsd-8
changeset: 852175:37decddc773b
user:      martin <martin%NetBSD.org@localhost>
date:      Mon Dec 10 17:16:11 2018 +0000

description:
Pull up following revision(s) (requested by hannken in ticket #1133):

        sys/dev/vnd.c: revision 1.270

Operation handle_with_strategy() also needs the
fstrans_start_lazy() / fstrans_done() bracket.

PR kern/53624 (dom0 freeze on domU exit)

diffstat:

 sys/dev/vnd.c |  14 +++++++-------
 1 files changed, 7 insertions(+), 7 deletions(-)

diffs (55 lines):

diff -r 3d621a2b577f -r 37decddc773b sys/dev/vnd.c
--- a/sys/dev/vnd.c     Mon Dec 10 08:52:20 2018 +0000
+++ b/sys/dev/vnd.c     Mon Dec 10 17:16:11 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: vnd.c,v 1.259.6.4 2018/10/13 17:21:51 martin Exp $     */
+/*     $NetBSD: vnd.c,v 1.259.6.5 2018/12/10 17:16:11 martin Exp $     */
 
 /*-
  * Copyright (c) 1996, 1997, 1998, 2008 The NetBSD Foundation, Inc.
@@ -91,7 +91,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: vnd.c,v 1.259.6.4 2018/10/13 17:21:51 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: vnd.c,v 1.259.6.5 2018/12/10 17:16:11 martin Exp $");
 
 #if defined(_KERNEL_OPT)
 #include "opt_vnd.h"
@@ -733,12 +733,17 @@
                bp->b_bcount = obp->b_bcount;
                BIO_COPYPRIO(bp, obp);
 
+               /* Make sure the request succeeds while suspending this fs. */
+               fstrans_start_lazy(vnd->sc_vp->v_mount);
+
                /* Handle the request using the appropriate operations. */
                if ((vnd->sc_flags & VNF_USE_VN_RDWR) == 0)
                        handle_with_strategy(vnd, obp, bp);
                else
                        handle_with_rdwr(vnd, obp, bp);
 
+               fstrans_done(vnd->sc_vp->v_mount);
+
                s = splbio();
                continue;
 
@@ -804,9 +809,6 @@
                    bp->b_bcount);
 #endif
 
-       /* Make sure the request succeeds while suspending this fs. */
-       fstrans_start_lazy(vp->v_mount);
-
        /* Issue the read or write operation. */
        bp->b_error =
            vn_rdwr(doread ? UIO_READ : UIO_WRITE,
@@ -818,8 +820,6 @@
        (void) VOP_PUTPAGES(vp, 0, 0,
            PGO_ALLPAGES | PGO_CLEANIT | PGO_FREE | PGO_SYNCIO);
 
-       fstrans_done(vp->v_mount);
-
        /* We need to increase the number of outputs on the vnode if
         * there was any write to it. */
        if (!doread) {