linux-kernel - Re: [2.6.26 patch] fuse: fix thinko in max I/O size calucation

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Message-Id: <E1K8eZX-0006B3-Kb@pomaz-ex.szeredi.hu>
Date:	Tue, 17 Jun 2008 19:02:19 +0200
From:	Miklos Szeredi <miklos@...redi.hu>
To:	szaka@...s-3g.org
CC:	miklos@...redi.hu, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, ywang221@...mail.com
Subject: Re: [2.6.26 patch] fuse: fix thinko in max I/O size calucation

> > From: Miklos Szeredi <mszeredi@...e.cz>
> > 
> > Use max not min to enforce a lower limit on the max I/O size.
> 
> Big write is ok now, thanks. NTFS-3G in-memory write performance seems to 
> be 6x better on a T9300 and quick tests seem to show that it's at least as 
> fast as ext3 in-memory writes (but this needs more testing, etc).
> 
> However the max write size seems to be limited to 128kB. Is this 
> intentional?

Yes, that's due to another limit (max 32 pages per request).

Miklos
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