linux-kernel - Re: [RFC] Heads up on sys

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Message-ID: <20070305042322.GA22584@infradead.org>
Date:	Mon, 5 Mar 2007 04:23:22 +0000
From:	Christoph Hellwig <hch@...radead.org>
To:	Anton Altaparmakov <aia21@....ac.uk>
Cc:	Arnd Bergmann <arnd@...db.de>,
	Christoph Hellwig <hch@...radead.org>,
	Dave Kleikamp <shaggy@...ux.vnet.ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Amit K. Arora" <aarora@...ux.vnet.ibm.com>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-ext4@...r.kernel.org, suparna@...ibm.com, cmm@...ibm.com,
	alex@...sterfs.com, suzuki@...ibm.com,
	Ulrich Drepper <drepper@...hat.com>
Subject: Re: [RFC] Heads up on sys_fallocate()

On Sun, Mar 04, 2007 at 08:11:17PM +0000, Anton Altaparmakov wrote:
> glibc cannot ever be smart enough because a file system driver will  
> always know better and be able to do things in a much more optimized  
> way.

Please read the thread again.  That is not what anyone proposed.
The issues we're discussing is whether fallback for a filesystem that
does not support preallocation natively should be done in kernelspace
or in userspace.

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