Date: Fri, 27 Sep 2002 14:24:41 -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_kern.c Message-ID: <200209272124.g8RLOfAo049183@freefall.freebsd.org>
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phk 2002/09/27 14:24:40 PDT
Modified files:
sys/geom geom_kern.c
Log:
Make the UP/DOWN threads hold on to their own private mutex while doing
work.
This prevents people from sleeping in the UP/DOWN I/O path by mistake
or design (doing so almost invariably result in deadlocks since it
stalls all I/O processing in the given direction.
Sponsored by: DARPA & NAI Labs.
Revision Changes Path
1.6 +26 -2 src/sys/geom/geom_kern.c
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