The branch main has been updated by mjg:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=4e91a0b9fece53711d5ff8fbc56762bd6d5fee4f

commit 4e91a0b9fece53711d5ff8fbc56762bd6d5fee4f
Author:     Mateusz Guzik <[email protected]>
AuthorDate: 2022-01-26 23:53:59 +0000
Commit:     Mateusz Guzik <[email protected]>
CommitDate: 2022-01-26 23:54:47 +0000

    nullfs: stop using insmntque1
    
    It adds nothing of value over insmntque.
---
 sys/fs/nullfs/null_subr.c | 17 ++++++-----------
 1 file changed, 6 insertions(+), 11 deletions(-)

diff --git a/sys/fs/nullfs/null_subr.c b/sys/fs/nullfs/null_subr.c
index fb6a13449df7..5f8cbfd4ce31 100644
--- a/sys/fs/nullfs/null_subr.c
+++ b/sys/fs/nullfs/null_subr.c
@@ -182,14 +182,6 @@ null_destroy_proto(struct vnode *vp, void *xp)
        free(xp, M_NULLFSNODE);
 }
 
-static void
-null_insmntque_dtr(struct vnode *vp, void *xp)
-{
-
-       vput(((struct null_node *)xp)->null_lowervp);
-       null_destroy_proto(vp, xp);
-}
-
 /*
  * Make a new or get existing nullfs node.
  * Vp is the alias vnode, lowervp is the lower vnode.
@@ -219,7 +211,7 @@ null_nodeget(mp, lowervp, vpp)
        }
 
        /*
-        * The insmntque1() call below requires the exclusive lock on
+        * The insmntque() call below requires the exclusive lock on
         * the nullfs vnode.  Upgrade the lock now if hash failed to
         * provide ready to use vnode.
         */
@@ -252,9 +244,12 @@ null_nodeget(mp, lowervp, vpp)
        vp->v_type = lowervp->v_type;
        vp->v_data = xp;
        vp->v_vnlock = lowervp->v_vnlock;
-       error = insmntque1(vp, mp, null_insmntque_dtr, xp);
-       if (error != 0)
+       error = insmntque(vp, mp);
+       if (error != 0) {
+               vput(lowervp);
+               null_destroy_proto(vp, xp);
                return (error);
+       }
        if (lowervp == MOUNTTONULLMOUNT(mp)->nullm_lowerrootvp)
                vp->v_vflag |= VV_ROOT;
 

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