KATO Takenori 747e915757 Avoid `lock against myself' panic by following operation: ... # mount -t union (or null) dir1 dir2 # mount -t union (or null) dir2 dir1 The function namei in union_mount calls union_root. The upper vnode has been already locked and vn_lock in union_root causes above panic. Add printf's included in `#ifdef DIAGNOSTIC' for EDEADLK cases.		1997-04-19 06:04:13 +00:00
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union_subr.c	Do not set the uppervp to NULLVP in union_removed_upper. If lowervp	1997-04-16 16:24:24 +00:00
union_vfsops.c	Avoid `lock against myself' panic by following operation:	1997-04-19 06:04:13 +00:00
union_vnops.c	Undo previous commit to avoid panic, and fix order of argument of	1997-04-16 03:08:34 +00:00
union.h	Back out part 1 of the MCFH that changed $Id$ to $FreeBSD$. We are not	1997-02-22 09:48:43 +00:00