From: Roman Zippel <zippel@linux-m68k.org>
To: Theodore Tso <tytso@mit.edu>
Cc: Matthew Wilcox <matthew@wil.cx>,
Bryan Henderson <hbryan@us.ibm.com>,
Andreas Dilger <adilger@clusterfs.com>,
"David H. Lynch Jr." <dhlii@comcast.net>,
linux-fsdevel@vger.kernel.org
Subject: Re: Read/write counts
Date: Mon, 4 Jun 2007 20:57:16 +0200 (CEST) [thread overview]
Message-ID: <Pine.LNX.4.64.0706042053340.28373@scrub.home> (raw)
In-Reply-To: <20070604183342.GC19224@thunk.org>
Hi,
On Mon, 4 Jun 2007, Theodore Tso wrote:
> Hmm, I'm not sure I would go that far. Per the POSIX specification,
> we support the optional BSD-style restartable system calls for signals
> which will avoid short reads; but this is only true if SA_RESTART is
> passed to sigaction(). Without SA_RESTART, we will indeed return
> short reads, as required by POSIX.
>
> I don't think Linus has said that short reads are always evil; I
> certainly can't remember him ever making that statement. Do you have
> a pointer to a LKML message where he's said that?
That's the last discussion about signals and I/O I can remember:
http://www.ussg.iu.edu/hypermail/linux/kernel/0208.0/0188.html
bye, Roman
next prev parent reply other threads:[~2007-06-04 18:57 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-04 10:20 Read/write counts David H. Lynch Jr.
2007-06-04 16:33 ` Andreas Dilger
2007-06-04 16:56 ` Bryan Henderson
2007-06-04 17:02 ` Matthew Wilcox
2007-06-04 18:33 ` Theodore Tso
2007-06-04 18:57 ` Roman Zippel [this message]
2007-06-04 19:24 ` Joel Becker
2007-06-04 20:00 ` Theodore Tso
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