diff options
| author | Martin Pieuchot <mpi@cvs.openbsd.org> | 2021-10-23 14:08:47 +0000 |
|---|---|---|
| committer | Martin Pieuchot <mpi@cvs.openbsd.org> | 2021-10-23 14:08:47 +0000 |
| commit | f2b4163eb38a2025d8a4612e8c712f304a6481f9 (patch) | |
| tree | 09291e587c515d2f9399c18b19359bd8b1a3825d /sys | |
| parent | 0f1b886806ff21a034bd97c7bac19cda4a8e5e86 (diff) | |
Assert that the KERNEL_LOCK() is held in vref(9).
This is a guard against pushing the lock too far in UVM's vnode land.
ok beck@
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/kern/vfs_subr.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c index 011e7597269..af78c42526e 100644 --- a/sys/kern/vfs_subr.c +++ b/sys/kern/vfs_subr.c @@ -1,4 +1,4 @@ -/* $OpenBSD: vfs_subr.c,v 1.309 2021/10/21 09:59:14 claudio Exp $ */ +/* $OpenBSD: vfs_subr.c,v 1.310 2021/10/23 14:08:46 mpi Exp $ */ /* $NetBSD: vfs_subr.c,v 1.53 1996/04/22 01:39:13 christos Exp $ */ /* @@ -689,6 +689,8 @@ vget(struct vnode *vp, int flags) void vref(struct vnode *vp) { + KERNEL_ASSERT_LOCKED(); + #ifdef DIAGNOSTIC if (vp->v_usecount == 0) panic("vref used where vget required"); |