Re: NFS client/buffer cache deadlock

From: Garrett Wollman <wollman_at_csail.mit.edu>
Date: Fri, 22 Apr 2005 11:28:15 -0400
<<On Fri, 22 Apr 2005 11:08:35 -0400, Brian Fundakowski Feldman <green_at_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
Received on Fri Apr 22 2005 - 13:28:20 UTC

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