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Date: Fri, 22 Apr 2005 11:28:15 -0400
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cc: freebsd-hackers@FreeBSD.ORG
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Subject: Re: NFS client/buffer cache deadlock
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<<On Fri, 22 Apr 2005 11:08:35 -0400, Brian Fundakowski Feldman <green@FreeBSD.ORG> said:


> Can you find any evidence that it's acceptable to interleave multiple
> writers that are doing O_APPEND?  At best, to do what you're asking,
> they could be kept from being interleaved from the context of one
> specific NFS client host...

As far as POSIX goes, the standard says that applications are expected
to handle serialization.  It makes no exception for O_APPEND.

-GAWollman