From: Todd Poynor <tpoynor@mvista.com>
To: "Bill C. Riemers" <docbill@freeshell.org>
Cc: tytso@mit.edu, busybox@mail.codepoet.org, linux-kernel@vger.kernel.org
Subject: Re: [BusyBox] Re: [PATCH] BLKFLSBUF on ramdisks
Date: Fri, 28 May 2004 12:06:30 -0700 [thread overview]
Message-ID: <40B78DB6.1070003@mvista.com> (raw)
In-Reply-To: <003001c444b5$ff72cee0$64fda287@docbill002>
Bill C. Riemers wrote:
> Does this problem also effect the 2.4 kernels?
>
> I'm just wondering, because it sounds like a possible explination for
> strange errors occurring with /dev/cobd? in coLinux, especially when used as
> swap devices. Basically /dev/cobd? are simmular to ramdisks, but they
> refere to files mmap'ed under Windows. They work fairly reliable, until
> someone does something like "swapoff -a;swapon -a". However, coLinux is
> only used with 2.4 kernels, so if the problem does not effect 2.4 kernels,
> then this is not the cause.
Yes, Matt Porter previously determined that this behavior changed
sometime after 2.4.2 and on or before 2.4.17, when rd.c was modified to
perform a truncate_inode_pages() for BLKFLSBUF (could track down the
date/revision more accurately if you're interested).
--
Todd
prev parent reply other threads:[~2004-05-28 19:06 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-27 23:19 [PATCH] BLKFLSBUF on ramdisks Todd Poynor
2004-05-28 13:06 ` [BusyBox] " Bill C. Riemers
2004-05-28 19:06 ` Todd Poynor [this message]
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