Use vnode parameter instead of vfinddev() in mfs_strategy()

Getting the mfs device vnode through vfinddev() is more complex than
necessary. Also, the indirection is not robust.

OK mpi@

diff --git a/sys/ufs/mfs/mfs_vnops.c b/sys/ufs/mfs/mfs_vnops.c
index eba90ab..4b42f81 100644 (file)
--- a/sys/ufs/mfs/mfs_vnops.c
+++ b/sys/ufs/mfs/mfs_vnops.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: mfs_vnops.c,v 1.58 2021/10/15 06:30:06 semarie Exp $  */
+/*     $OpenBSD: mfs_vnops.c,v 1.59 2021/12/12 09:17:17 visa Exp $     */
 /*     $NetBSD: mfs_vnops.c,v 1.8 1996/03/17 02:16:32 christos Exp $   */
 
 /*
@@ -124,9 +124,9 @@ mfs_strategy(void *v)
        struct vop_strategy_args *ap = v;
        struct buf *bp = ap->a_bp;
        struct mfsnode *mfsp;
-       struct vnode *vp;
+       struct vnode *vp = ap->a_vp;
 
-       if (!vfinddev(bp->b_dev, VBLK, &vp) || vp->v_usecount == 0)
+       if (vp->v_type != VBLK || vp->v_usecount == 0)
                panic("mfs_strategy: bad dev");
 
        mfsp = VTOMFS(vp);