Jeff Roberson 9c12e63100 - Assert that the lowervp is locked in null_hashget(). ... - Simplify the logic dealing with recycled vnodes in null_hashget() and null_hashins(). Since we hold the lower node locked in both cases the null node can not be undergoing recycling unless reclaim somehow called null_nodeget(). The logic that was in place was not safe and was essentially dead code. MFC After: 1 week		2006-02-22 06:15:12 +00:00
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null_subr.c	- Assert that the lowervp is locked in null_hashget().	2006-02-22 06:15:12 +00:00
null_vfsops.c	Correctly set MNTK_MPSAFE flag from the lower vnode's mount rather than	2006-02-10 18:06:49 +00:00
null_vnops.c	Handle a race condition where NULLFS vnode can be cleaned while threads	2005-09-15 19:21:26 +00:00
null.h	- Assume that all lower filesystems now support proper locking. Assert	2005-03-15 13:49:33 +00:00