From: Andi Kleen <ak@suse.de>
To: "Stephen C. Tweedie" <sct@redhat.com>
Cc: Andi Kleen <ak@suse.de>, Asang K Dani <asang@yahoo.com>,
linux-kernel@vger.kernel.org, Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: generic_file_write code segment in 2.2.18
Date: Thu, 4 Jan 2001 23:49:28 +0100 [thread overview]
Message-ID: <20010104234928.A5198@gruyere.muc.suse.de> (raw)
In-Reply-To: <20010104052948.12042.qmail@web2303.mail.yahoo.com> <20010104085137.A18532@gruyere.muc.suse.de> <20010104224234.B1290@redhat.com>
In-Reply-To: <20010104224234.B1290@redhat.com>; from sct@redhat.com on Thu, Jan 04, 2001 at 10:42:34PM +0000
On Thu, Jan 04, 2001 at 10:42:34PM +0000, Stephen C. Tweedie wrote:
> No, because then you'd be skipping the updatepage() call if we took a
> fault mid-copy after copying some data. That would imply you had
> dirtied the page cache without an updatepage().
>
> The current behaviour should just result in a short IO, which should
> be fine.
The problem is that the short write is not reported to the caller, even when only
zero bytes are copied (the page is corrupted anyways though because cfu
zeros the uncopied rest).
-Andi
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next prev parent reply other threads:[~2001-01-04 22:50 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-04 5:29 Asang K Dani
2001-01-04 7:51 ` Andi Kleen
2001-01-04 22:42 ` Stephen C. Tweedie
2001-01-04 22:49 ` Andi Kleen [this message]
2001-01-04 22:58 Asang K Dani
2001-01-04 23:02 ` Andi Kleen
2001-01-04 23:09 Asang K Dani
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