diff options
| -rw-r--r-- | sys/kern/vfs_vnops.c | 4 | ||||
| -rw-r--r-- | sys/ufs/ffs/ffs_vnops.c | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/sys/kern/vfs_vnops.c b/sys/kern/vfs_vnops.c index 2301a34..c730781 100644 --- a/sys/kern/vfs_vnops.c +++ b/sys/kern/vfs_vnops.c @@ -873,6 +873,10 @@ _vn_lock(struct vnode *vp, int flags, char *file, int line) VNASSERT((flags & LK_TYPE_MASK) != 0, vp, ("vn_lock called with no locktype.")); do { +#ifdef DEBUG_VFS_LOCKS + KASSERT(vp->v_holdcnt != 0, + ("vn_lock %p: zero hold count", vp)); +#endif error = VOP_LOCK1(vp, flags, file, line); flags &= ~LK_INTERLOCK; /* Interlock is always dropped. */ KASSERT((flags & LK_RETRY) == 0 || error == 0, diff --git a/sys/ufs/ffs/ffs_vnops.c b/sys/ufs/ffs/ffs_vnops.c index 7b1af28..38dc2b6 100644 --- a/sys/ufs/ffs/ffs_vnops.c +++ b/sys/ufs/ffs/ffs_vnops.c @@ -361,6 +361,10 @@ ffs_lock(ap) vp = ap->a_vp; flags = ap->a_flags; for (;;) { +#ifdef DEBUG_VFS_LOCKS + KASSERT(vp->v_holdcnt != 0, + ("ffs_lock %p: zero hold count", vp)); +#endif lkp = vp->v_vnlock; result = _lockmgr_args(lkp, flags, VI_MTX(vp), LK_WMESG_DEFAULT, LK_PRIO_DEFAULT, LK_TIMO_DEFAULT, |
