When it comes to MFS, most of the declared `vop_*' functions are never
called. This is due to the fact that the corresponding FFS functions
are used instead.
So the diff below explicitly documents that `vop_kqfilter' isn't missing
and is instead not used, just like `vop_poll'.
Ok?
Index: ufs/mfs/mfs_vnops.c
===================================================================
RCS file: /cvs/src/sys/ufs/mfs/mfs_vnops.c,v
retrieving revision 1.53
diff -u -p -r1.53 mfs_vnops.c
--- ufs/mfs/mfs_vnops.c 20 Jan 2020 23:21:57 -0000 1.53
+++ ufs/mfs/mfs_vnops.c 20 May 2020 09:43:37 -0000
@@ -60,6 +60,7 @@ const struct vops mfs_vops = {
.vop_write = mfs_badop,
.vop_ioctl = mfs_ioctl,
.vop_poll = mfs_badop,
+ .vop_kqfilter = mfs_badop,
.vop_revoke = mfs_revoke,
.vop_fsync = spec_fsync,
.vop_remove = mfs_badop,
