cvs commit: src/sys/kern vfs_subr.c src/sys/sys mount.h vnode.h
ssouhlal at FreeBSD.org
Sat Aug 6 01:50:09 GMT 2005
On Aug 6, 2005, at 3:42 AM, Suleiman Souhlal wrote:
> ssouhlal 2005-08-06 01:42:04 UTC
> FreeBSD src repository
> Modified files:
> sys/kern vfs_subr.c
> sys/sys mount.h vnode.h
> Holding a vnode doesn't prevent v_mount from disappearing (when the
> vnode is inactivated), possibly leading to a NULL dereference when
> checking if the mount wants knotes to be activated in the VOP hooks.
> So, we add a new vnode flag VV_NOKNOTE that is only set in
> if necessary, and check it when activating knotes.
> Since the flags are not erased when a vnode is being held, we can
> read them.
> Reviewed by: kris@
Err, this should be Reported by: kris@
Suleiman Souhlal | ssouhlal at vt.edu
The FreeBSD Project | ssouhlal at FreeBSD.org
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