linux-kernel - Re: WARNING: "test_clear_page_dirty" [fs/cifs/cifs.ko] undefined!

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Date:	Sat, 23 Dec 2006 21:35:47 -0800
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Linus Torvalds <torvalds@...l.org>
Cc:	Jean Delvare <khali@...ux-fr.org>,
	Ian McDonald <ian.mcdonald@...di.co.nz>,
	Thomas Meyer <thomas@...3r.de>,
	linux-cifs-client@...ts.samba.org,
	Steve French <sfrench@...ba.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>
Subject: Re: WARNING: "test_clear_page_dirty" [fs/cifs/cifs.ko] undefined!

On Sat, 23 Dec 2006 12:06:43 -0800 (PST) Linus Torvalds wrote:

> 
> 
> On Sat, 23 Dec 2006, Randy Dunlap wrote:
> > 
> > BTW, reiserfs has similar build problems:  it uses clear_page_dirty()
> > so it won't build.
> 
> Not any more. I fixed that one (very different issue, btw: it's not 
> actually doign writeout, it actually wanted to cancel IO on truncated 
> buffers.
> 
> However, it's certainly possible that my fix hasn't mirrored out yet, I 
> pushed it just a couple of hours ago. So if you want to test it, here are 
> the two commits in question..
> 
> (The "cancel_dirty_page()" cleanup is needed not just to do reiserfs as a 
> module, it's also to make it more robust against reiserfs possibly feeding 
> that function with strange pages, and to match the other related functions 
> in the accounting functions).
> 
> Len Brown tested the reiserfs changes, and claims that it was all good, 
> but if somebody wants to run fsx-linux or some other filesystem stress 
> testing tool that actually tests shared mmap (and truncate), that would be 
> really appreciated.

I ran fsx-linux on it for one hour... with no problems reported.

---
~Randy
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