git: 727277325d2c - stable/13 - vfs: add missing bits to vdropl_impl

The branch stable/13 has been updated by mjg:

URL: https://cgit.FreeBSD.org/src/commit/?id=727277325d2c3b1925880d07634f0270000136f2

commit 727277325d2c3b1925880d07634f0270000136f2
Author:     Mateusz Guzik <mjg@FreeBSD.org>
AuthorDate: 2022-03-27 14:00:09 +0000
Commit:     Mateusz Guzik <mjg@FreeBSD.org>
CommitDate: 2022-03-27 14:37:58 +0000

    vfs: add missing bits to vdropl_impl
    
    This completes the patch which was originally meant to go in.
    
    Spotted by:     mhorne
    Fixes: c35ec1efdcb2978b ("vfs: [1/2] fix stalls in vnode reclaim by not
    requeieing from vnlru")
    
    (cherry picked from commit 2533b5dc82701ac5e31d0f98dd15362397b2478e)
---
 sys/kern/vfs_subr.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c
index d27e7a15d886..6c01b3dc817c 100644
--- a/sys/kern/vfs_subr.c
+++ b/sys/kern/vfs_subr.c
@@ -3668,6 +3668,12 @@ vdropl_impl(struct vnode *vp, bool enqueue)
 	if (vp->v_mflag & VMP_LAZYLIST) {
 		vunlazy(vp);
 	}
+
+	if (!enqueue) {
+		VI_UNLOCK(vp);
+		return;
+	}
+
 	/*
 	 * Also unlocks the interlock. We can't assert on it as we
 	 * released our hold and by now the vnode might have been