linux-kernel - Re: [RFC, PATCH] locks: remove posix deadlock detection

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Date:	Mon, 29 Oct 2007 08:08:22 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	"J. Bruce Fields" <bfields@...ldses.org>
Cc:	Matthew Wilcox <matthew@....cx>,
	Trond Myklebust <trond.myklebust@....uio.no>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	"George G. Davis" <gdavis@...sta.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-fsdevel@...r.kernel.org
Subject: Re: [RFC, PATCH] locks: remove posix deadlock detection

> And if posix file locks are to be useful to threaded applications, then
> we have to preserve the same no-false-positives requirement for them as
> well.

It isn't useful to threaded applications. The specification requires
this. Which is another reason for having an additional Linux (for now)
flag to say "don't bother"

Alan
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