From owner-cvs-all  Tue May  8 10:25:50 2001
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Date: Tue, 8 May 2001 13:25:44 -0400 (EDT)
From: Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
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To: Poul-Henning Kamp <phk@critter.freebsd.dk>
Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/ufs/ffs fs.h softdep.h ffs_softdep.c ffs_softdep_stub.c ffs_inode.c ffs_vfsops.c src/sys/ufs/ufs ufs_extern.h inode.h ufs_inode.c 
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<<On Tue, 08 May 2001 10:03:22 +0200, Poul-Henning Kamp <phk@critter.freebsd.dk> said:

> Why not simply notice that free space will become available (by
> examining the counters, and sleep on something (lbolt ?) until
> either it does or it conclusively doesn't become available ?

My recollection of what Kirk told me when we discussed this at LISA
was that in some circumstances the allocation can take place with
locks held, resulting ultimately in deadlock.

-GAWollman


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