Date: Fri, 27 Sep 2002 13:38:37 -0700 (PDT) From: Poul-Henning Kamp <phk@FreeBSD.org> To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/geom geom.h geom_event.c geom_int.h Message-ID: <200209272038.g8RKcbDd034258@freefall.freebsd.org>
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phk 2002/09/27 13:38:36 PDT
Modified files:
sys/geom geom.h geom_event.c geom_int.h
Log:
Implement g_call_me() as a way for geom methods to schedule operations
to be performed in the event-thread.
To do this, we need to lock the eventlist with g_eventlock (nee g_doorlock),
since g_call_me() being called from the UP/DOWN paths will not be able to
aquire g_topology_lock.
This also means that for now these events are not referenced on any
particular consumer/provider/geom.
For UP/DOWN path use, this will not become a problem since the access()
function will make sure we drain any bio's before we dismantle.
Sponsored by: DARPA & NAI Labs.
Revision Changes Path
1.22 +3 -1 src/sys/geom/geom.h
1.13 +30 -0 src/sys/geom/geom_event.c
1.3 +3 -0 src/sys/geom/geom_int.h
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