From: Hugh Dickins <hugh@veritas.com>
To: Hua Zhong <hzhong@gmail.com>
Cc: Christoph Hellwig <hch@infradead.com>,
"'Bill Davidsen'" <davidsen@tmr.com>,
"'Linux-kernel'" <linux-kernel@vger.kernel.org>
Subject: RE: open(O_DIRECT) on a tmpfs?
Date: Thu, 4 Jan 2007 19:14:04 +0000 (GMT) [thread overview]
Message-ID: <Pine.LNX.4.64.0701041911470.27405@blonde.wat.veritas.com> (raw)
In-Reply-To: <003f01c7302f$e72164b0$0200a8c0@nuitysystems.com>
On Thu, 4 Jan 2007, Hua Zhong wrote:
>
> So I'd argue that it makes more sense to support O_DIRECT
> on tmpfs as the memory IS the backing store.
A few more voices in favour and I'll be persuaded. Perhaps I'm
out of date: when O_DIRECT came in, just a few filesystems supported
it, and it was perfectly normal for open O_DIRECT to be failed; but
I wouldn't want tmpfs to stand out now as a lone obstacle.
Christoph, what's your take on this?
Hugh
next prev parent reply other threads:[~2007-01-04 19:13 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-04 11:52 Michael Tokarev
2007-01-04 13:08 ` Hugh Dickins
2007-01-04 16:19 ` Bill Davidsen
2007-01-04 17:09 ` Hugh Dickins
2007-01-04 17:54 ` Peter Staubach
2007-01-04 18:11 ` Bill Davidsen
2007-01-04 18:41 ` Hua Zhong
2007-01-04 19:14 ` Hugh Dickins [this message]
2007-01-04 19:35 ` Mark Lord
2007-01-05 6:57 ` Chen, Kenneth W
2007-01-05 14:38 ` Helge Hafting
2007-01-05 14:58 ` Jesper Juhl
2007-01-05 14:59 ` Jesper Juhl
2007-01-04 22:17 ` Denis Vlasenko
2007-01-05 5:30 ` Nick Piggin
2007-01-05 16:20 ` Bill Davidsen
2007-01-06 0:30 ` Denis Vlasenko
2007-01-08 19:42 ` Bill Davidsen
2007-01-05 11:49 ` Michael Tokarev
[not found] <7zzqw-SS-27@gated-at.bofh.it>
2007-01-04 14:47 ` Bodo Eggert
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